Home

FX-Control User Manual

Contents

1. 2015 NTi Audio AG MBe a Download via FX Control e Click on the button Check for Updates in the Help ribbon e In the FX Updater panel click on the Check button FX Updater 2 710 310 Update gt 2 8 0 136 e Click on the button Update appears only if a new firmware version is available e Alternatively click on the E button to download the firmware file to your PC from where it can be transferred to the FX100 instrument via a USB stick refer to next chapter e Confirm to continue the process in the dialog box el b Download via USB stick e Save the new firmware file in the root directory of a USB stick Plug the USB stick into a USB A connector of the FX100 instrument Select the menu System on the LCD by using the rotary encoder e Move the cursor to VER and press the rotary encoder Click on FW UPDATE to download the firmware to the instrument or on Cancel to abort NOTE The firmware file must match to the serial number of your FX100 Device 2015 NTi Audio AG MBe es FX Control User Manual Licenses Click on the button Licenses to show the active licenses FX Apply Licenses xj EE A To add i e activate a new license e click on the button Next e enter the license key as provided by NTi Audio e click on the button Add FX Apply Licenses Device Name Fx 1 Serial Number 11027 Firmware Version 2 2 0 202 Key 73224EBB28042366DDDB06
2. 2015 NTi Audio AG MBe Regulators egualization 125 7 1 Generator level The generator level regulator is used to adjust the FX100 output volume so that either the e level or e THD of the test signal reaches a user defined value at a specific point in the test setup Recommended procedure 1 Establish the test setup and the corresponding Hardware 4 Wiring schematic 2 If required temporarily amend the wiring to regulate the target parameter see Example 3 Click on WA Senerator Level In the Worksheets ribbon select the FX100 Device being employed and confirm OK gt the Generator Level panel opens 4 Adjust the generator amp analyzer properties according to the setup and your requirements e g o The generator channel to be equalized The Start level and the maximum allowed generator output level for the regulation process The analyzer channel that is used for the feedback measurement The test signal parameter that has to be adjusted i e level or THD The target value of the aforementioned parameter as well as its acceptance range O O O O The max number of iterations of the regulation process 5 Make sure that the generator outputs are not muted start the procedure Run and apply the results Apply Level 6 Re establish the wiring that is required for device testing Hint The acquired generator level can be kept by saving it in a project together with the current system setting
3. Hint All buttons in the Wiring ribbon can be found also via right click in the WorkArea when the Hardware amp Wiring view Is active Executes a scan to detect all FX100 Devices or other devices that are connected to the controller PC Adds a passive loudspeaker item to the Hardware amp Wiring view Adds an active loudspeaker item to the Hardware amp Wiring view Adds an M2010 measurement microphone item to the Hardware amp Wiring view Adds an M2015 measurement microphone item to the Hardware amp Wiring view Adds a generic microphone item to the Hardware amp Wiring view Adds an FA400 amplifier item to the Hardware amp Wiring vew Adds a generic amplifier item to the Hardware amp Wiring view Adds an RT IB external impedance box item to the Hardware amp Wiring view 2015 NTi Audio AG MBe o FX Control User Manual C Adds a generic item with an analog input amp output to the Hardware amp Wiring view Generic e g representing an equalizer mixing console channel or other electronic circuit WO Adds an external signal source item to the Hardware amp Wiring view Adds an FX100 simulator item to the Hardware amp Wiring view e g for demo mode NOTE Projects that have been established with an FX100 simulator can not be applied on a real FX100 Device 2015 NTi Audio AG MBe 3 7 Worksheets ribbon The buttons in the Worksheets ribbon are used to open new test parameter panels measuremen
4. The Linear Interpolation calculation item determines the level value at 1 KHz gt this value is then subtracted from the original curve Regulators StepSweep projetcs Demo project Description hints Application examples file name Level Executes a StepSweep frequency from 20 Hz to 2 kHz response with 60 pts while measuring the Level on channels 1 amp 2 2015 NTi Audio AG MBe oe FX Control User Manual Level Phase_ HD Table Sweep_ NTI Executes a StepSweep from 20 Hz to 20 kHz with 60 pts while measuring Level THD and Phase on channels 1 amp 2 The FX100 executes a table sweep on channel 1 i e generates a series of frequency amplitude pairs NOTE The generator and analyzer of chn1 are linked internally i e the test signal is NOT transmitted through an external DUT Performs a 10 seconds Time Sweep while measuring the input Level on channel 1 amp 2 NOTE Make sure that the input range is adjusted properly prior to starting the measurement 2015 NTi Audio AG MBe Application hints 263 12 2 Tutorial The following paragraphs describe ways of setting up basic measurements i e 1 Establish the correct wiring 2 Adjust the generator settings i e test signal parameters 3 Adjust the analyzer parameters e g bias input ranging settling etc 4 Activate the required measurements and result panels 5 Define the tolerance limits
5. To edit the internal wiring of the FX ANA board switch to the Hardware amp Wiring view e click on the El symbol of an analyzer channel and select the required status or e amend the corresponding settings via the properties see below Furthermore you may edit the coupling of the input connectors by clickng on the AC DC entry Hint If the DUT is floating i e without any connection to ground and unbalanced its shield ground must be connected to the Banana plug of the FX ANA board which is connected to GND chassis 28 FX Control User Manual FX ANA properties Properties Ca The FXANA board has following properties Slot 5 Adc 1 00029 E 2 e Slot number ADC number PCB serial number PCB version Analog Analyzer Channeli PCB index Coupling AC e Coupling AC or DC k e Routing gt internal link of the FXANA board see above i e or SEN o XLR or In Bus Inswitcher 1 4 o BNC or Bias off d o Inbus or Bias Settling o Outbus e In Bus gt internal link of the Inbus whereby Module No Chn MicSensitivity 10 00 mV Pa EI stands for Shunt Resistor D 0000 Ohm o Module gt the plug in module to which the Inbus is linked Voltage Divider o No gt number of the plug in module e g 2 the 2nd of A two installed FX IS o Chn gt the module channel to which the Inbus is linked Analog Analyzer Channel 2 l e Bias optional offset voltage or current that is applied to the
6. 2015 NTi Audio AG MBe Measurements results calculations 193 8 6 5 Data logging FX Control supports a comprehensive data logging feature that automatically saves the recorded measurement results to a file 1 Click on the Enable button in the Logging ribbon to enable the automated data logging 2 Adjust the logging settings via the corresponding button e Select the Default Folder e File Type o CSV gt character separated values o Text gt tabbed text file o XLSx gt compatible to MS XLSx format Note this logging format may slow down the process e Renewal Conditions o Never gt all measurement results are saved to a single file o Weekly a new target file is opened at the beginning of a new calendar week o Daily gt a new target file is opened at the beginning of every new day o At Each Measurement gt the result data of every measurement cycle is written to an individual file Logging Options E Default Folder C Users Documents FX Control Log E File Type CSV Example Logged frequency response data imported to MS Excel A B E D E F G H l J K L M N o P Q R S 1 High Limit 2 X 50 845095 70 816996 98 633839 59253811 983 51493 1680 8992 8149 4393 10000 3 Y 59 738688 70 576512 60 099949 24 69639 24 69639 34 811693 17 832435 18 916218 4 Low Limit 5 X 49 371723 58 374843 79 228752 130 95592 794 74885 1714 0057 9804 8618 6 Y 90 294674 90 294674 95 418934 74 921896 37 258588 49 556811 33
7. FX Control User Manual StepSweep Waveform Waveform Type gt supported StepSweep test signal i e Sine A a a Type Sine Sine Sne Z O S e Frequency gt frequency of the generated sine wave Frequency 1000 000 Hz e Fadein duration of generator fade in before the sweep starts A e Source gt Time Fadein e Start Tone On a 1 kHz start tone with fixed duration of 1 second is A Time generated prior to the StepSweep execution Hints If the time sweep is to be executed without generating a signal simply mute the FX100 output channels The time sweep analyzer parameters have to be defined via the Analyzer StepSweep properties The required StepSweep measurements have to be activated separately Start Tone Off Weighti ing e Channel 1 YAxisUnit Logarithmic Amplitude Equalization Enable Disable VIEW sw Channel 2 2015 NTi Audio AG MBe Generator settings MO Table sweep The level and frequency of the generated sine signal follow a user defined table Level dB 200 400 600 800 1k 2k Ak ok Bk 10k 20k 40k f Hz Example of generated table sweep test signal 2015 NTi Audio AG MBe StepSweep Frequency 1000 000 Hz LL 3 Pqm gt UQQ0EQQQ 0 482980 zz Fadein Source Table e Table Table Set Edit Data Y El Start Tone Off Weighti Channel 1 YAxisUnit Logarithmic A O AA KH FX Control User Manual Wavefor
8. Properties x The FX100 properties that are displayed in the Hardware amp Wiring view Name A Conneded e Name the name of the connected FX100 can be customized M Show Audio Bus e Connected allows to disconnect FX100 from the controller PC as soon as the instrument is re connected FX Control is synchronized to its current status e Show Audio Bus gt displays or hides the Outbus Inbus and related links in the Hardware amp Wiring view Work sheets Pronerti The FX100 properties that are displayed in the e Worksheets ane 11014 e Serial Number gt unique ID of the connected Mr of Channels E FX100 Device PureSound 115 DAYS e No of Channels gt number of installed WO generator amp analyzer channels 2 or 4 id 2 6 0 79 e PureSound gt status of installed software Api Ver 2 6 0 106 options Hardware Configuration e Firmware Ver gt version of the installed firmware Slot Option Id PebSerial PcbVersion PcbIndex HwRev 00110 q e Api Ver gt version of the API Application 00015 Programming Interface command set 00000 lt 00000 l e Hardware Configuration gt installed boards with 00113 2 o Slot number 00126 o Name o ID o PCB serial number o PCB version o PCB index O Hardware revision 2015 NTi Audio AG MBe e FX Control User Manual 2 1 Display amp rotary encoder The LCD amp rotary encoder can be used for a number of features such as PASS FAIL indication headphone volume
9. emeng e g V instead of dBV Previous Result Linear Interpolation calculates the interpolated result at a user defined frequency x Linear Fit value of a measured curve NS Smoothing smooths the acquired curve by averaging the measurement results within a window of user defined width Relative Response plots the acquired result curve relative in dB to the Y value of a reference point at an user defined X value Custom Curve creates a user defined curve e g to be used as tolerance limit or calculation data Previous Result shows the previous acquired result 0Oo0O0000000000 Curve Subrange Linear Fit calculates a straight line that represents the optimum linear fit to the measured curve Sample Rate Deviation shows the deviation of the sample rate i e of the Frequency AES input sample rate Sync input sample rate vs the standardized digital sampling frequencies 32 44 1 48 88 2 96 176 4 192 kHz Curve Subrange extracts the data of a restricted user defined frequency band from within the full range of measured results 2015 NTi Audio AG MBe Regulators Hint Please refer also to the detailed description of the Regulators The button opens the list of available regulator functions e Generator Level adjusts the FX100 output volume so that either the level or THD of the test signal reaches a user defined value at a specific point in the test setup e GlideSweep Range evaluates the optimal F
10. gt optionally edit the tolerance limits of the measurement Hint Itis possible to enter no limit only the upper or the lower limit or both limits e Type gt not yet implemented absolute or floating tolerance limits e Format gt the format in which the numerical results are displayed e Color gt selectable color of the corresponding curve e Pen gt selectable line style of the corresponding curve e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the worksheet 2015 NTi Audio AG MBe Measurements results calculations 175 Result display The Meter speaker impedance measurement results can be displayed either as a numerical value or in a bargraph Meter SpeakerImpedance Ch Ex MN Meter Speakerimpedance Ch2 8 859 Ohm 8 8666 Ohm Min 8 8592 Max 8 8913 The speaker impedance response results are displayed in a graph GlideSweep Level Ch Impedance 7 5 20 30 50 70100 200300 500 ik ak 3k4k5k 7k 10k 20k Hz 2015 NTi Audio AG MBe 176 FX Control User Manual 8 4 12 Signal latency The signal latency is the time that it takes for a GlideSweep to propagate from the generator to the analyzer GlideSweep tt GlideSweep
11. tes 8 5 3 Repeat Click on the Q Repeat button in the Start ribbon to initiate the repeated acquisition of all active measurements Meter StepSweep or GlideSweep mode Step5weep Lewel Ch2 Meter Level Ch2 27 50 dBV 4 20 200 300 500700 ik dk 3k 4k5k Sk Hz Terminate the repeat measurement by clicking on the i Abort button The green y button in the quick access toolbar or the lt F6 gt key offer the same functionality for all FX100 Devices that are connected to the controller PC 2015 NTi Audio AG MBe 186 FX Control User Manual 8 6 Result display data handling The acquired measurement results can be visualized or processed in different ways e Display the Meter measurement results as numerical values or in a bargraph e Show the StepSweep GlideSweep result Curves in a graph e Compare the measurement results against customized tolerance limits and show the outcome in a PASS FAIL display e Process the acquired measurement data with a user defined calculation e Copy raw data to the clipboard and paste for example to a spreadsheet e Log the acquired result data to a file NOTE A measurement is only executed if a result display is placed on a Worksheet 8 6 1 Numerical display The numerical display can be used for all Meter mode measurements To activate a measurement and to show the related numerical result display e drag amp drop the H icon of the corresponding measuremen
12. Calculation IEC 257 IEEE 257 item 61 196 items 69 of curves 196 operators 203 overvew 195 units 203 Calibration center 281 date 16 ofFX100 6 12 Carrier level 119 status 120 Channel status 121 Chirp 93 measurements 144 Clipboard copy amp paste items 5 7 result data 18 7 Clock 119 122 C message 106 Coding bit 120 Communication 77 Continuous 136 184 Copy items 5 7 result data 18 7 tolerance limits 216 Coupling 103 Crest factor 82 Crosstalk 163 Current maximum FX SIH 35 maximum FXSIL 31 sensor 38 Curve subrange 61 Custom curve 61 D Data export to document 235 273 logging 64 193 194 235 output 235 Date amp time 16 65 dB 203 dBr 105 147 156 DC 2015 NTi Audio AG MBe Index coupling 103 DCR measurement 1 70 DCV measurement 169 measurement 104 D class amplifier 41 Default 54 directory 54 file path 54 log data folder 64 193 194 Default calculation item 196 Delay 235 Demo projects 259 Device hardware 12 tolerance limits 217 Digital audio board 29 option 29 Directory 54 Display 16 Distance 1 6 Distortion 156 Docking panel 49 Domain analyzer 102 generator 81 hardware amp wiring vew 70 Dual mode 38 E Editable curve example 205 Equalization 124 GlideSweep generator 130 Error flags 120 messages ETC 114 178 Example calculation 205 input switcher wiring 44 logged data 193 output switcher wiring 42 speaker test wiring 31
13. Coupling AL input connector s Routing XLR o 2V Phantom power for 2 V microphones o 48V gt Phantom power for 48 V microphones default status for M2010 M2015 microphones Bias o DCR 5R range gt 1 4 mA current to measure the output Bias Settling Os impedance of the DUT Device Under Test up to 5 KQ o DCR 100k range gt 100 mA current to measure the output 10 00 mW Pa anna El impedance of the DUT up to 100 KQ Shunt Resistor 20 000 Ohm l o ICP gt constant current microphone power supply Voltage Divider 4 93 e Bias Settling idle time before the measurement can start after activation of an input channel thus the DUT can settle to the active bias e MicSensitivity the sensitivity of the connected microphone e Shunt Resistor gt the impedance of a connected shunt resistor e g 1 Q for FX SIL or 20 Q for external RT IB 100V e Voltage Divider the ratio of a connected voltage divider e 9 4 93 for RT IB 100V In Bus ICPO is a registered trademark of PCB Piezotronics 2015 NTi Audio AG MBe Hardware 29 2 8 FX AES board FX AES is a 2 channel digital audio generator amp analyzer e The board supports the generation and analysis of Meter StepSweep or GlideSweep test signals and measurements e The sampling clock can be generated internally or synchronized to an external source e In case of StepSweep or GlideSweep measurements both channels always start
14. Examples 259 Execute measurement 182 sequence 182 228 Exp 203 Export GlideSweep 93 283 284 FX Control User Manual External fundamental rejection 156 GlideSweep 93 114 176 270 signal analysis 111 138 270 signal generator 59 StepSweep 112 270 timeout 112 114 Ee FFT 150 File log data 64 193 MAT 64 150 177 178 194 path 54 type 64 194 WAV 64 150 177 194 Filter 106 DF 41 Firmware 4 7 update 65 version 16 Foot switch 182 228 235 Frequency generator 82 measurement 146 sweep analyzer 112 sweep generator 83 Front panel 12 headphone jack 20 Full resolution logging 64 177 178 194 FX100 59 device 12 device information 65 hardware 12 FXAES 29 6 Gain 154 General 257 Generator analog 25 balanced 82 digital 29 domain 81 equalization 61 130 frequency 82 level regulator 61 125 mono 82 mute 81 outstate 82 properties 79 settings 79 unbalanced 82 waveform 82 Generic calculation item 196 GlideSweep amplitude profile 93 analyzer 114 analyzer range 103 ETC 114 178 export 93 external 93 1 6 270 generator 93 impulse response 114 177 measurements 144 range regulator 129 signal latency 1 6 270 timeout 114 270 weighting 93 Golden sample 217 222 Graphical display 186 normalized 222 result data 187 Worksheets ribbon 61 H Hardware installation 8 overvew 12 requirements 6 scan 59 setup 70 status 16 Hardware amp Wiring arrange items 58
15. Limit Low Ohm Limit High Ohm Format Ir Properties Header GlideSweep SpeakerImpedance Chi Sources a y FX 1 Measurement E H Active On e Reference Type Reading Channel 1 External Shunt Resistor 1 0000 Ohm Pen Interpolation Linear Add Source e Header gt editable name of the level measurement display e Sources measurement function o Clear the checkbox to hide the corresponding curve in the graph o Click onthe button to amend the measurement function o Click on the Ix button to delete the corresponding curve o Click onthe gt button to amend the curve color e Active o On gt measurement is active o Off measurement is inactive e Reference Type gt for a correct measurement either o select VoltageValue and enter the calibrated amplifier output voltage or o select Reading and link the Speakon input connector to a free analyzer channel e External Shunt Resistor applies only if an external impedance test box is used gt enter the impedance of the shunt resistor e External Voltage Divider applies only if an external voltage divider is used gt enter the voltage divider ratio Example 10 stands for 10 1 e Unit Ohm e Limit s o Low Meter mode gt optionally enter the lower tolerance limit of the measurement o High Meter mode optionally enter the upper tolerance limit of the measurement o Edit Data Sweep mode
16. Place a measurement graph in the WorkArea together with a Passed Failed display and run the measurement s Glide5sweep Level Ch2 Hint Those measurement results that are beyond the device limits i e failed can not be highlighted 200 300 500 2k 3k 4k Sk6k 8k 10k GlideSweep Level Ch 2015 NTi Audio AG MBe 222 FX Control User Manual 9 2 Software limits Software tolerance limits are defined by using the Calculated Passed Failed calculation item and then stored amp applied by FX Control There are three ways to define software limits A Based on a single Caloulated Passed Failed Example Single reference curve 3 A Software limits based on a single Golden Sample 1 10 60 100 200 300 500700 1k measurement curve curves Calculated Passed Failed 30 2k 3k 4k5k 7k 10k 100 200 300 500700 ik Hz Hz Adjust the generator settings and place the required measurement graph s in the WorkArea Connect the reference DUT to the FX100 and run the measurement s Keep the recorded curve s optionally rename it them e g Golden Sample Create a generic calculation item optionally rename it e g High or Low Click on the Add Parameter button select the previously saved Golden sample curve and define the Formula for the or tolerance headroom of the upper or lower tolerance limit Select the Result Unit of the current measurement and click
17. Sheet to the Title Tag lines whereby Sheet is the name of the FX Control worksheet on which the result panel is located e g Results Z Settings Results i iii Paste the copied Header string from the measurement panel properties Step 3 directly behind Sheet name iv Click on OK to confirm Step 6 i Repeat Steps 3 5 for every text or graph container that shall be placed in your template file li Edit the containers according to your requirements e g o text container exact location in the document character font amp size paragraph attributes o graph container exact location in the document size NT all AUDIO CERTIFICATE OF CALIBRATION FOR SERIAL NUMBERIS SN Green permanent graphs or text Red containers for exported data O 2015 NTi Audio AG MBe Application hints 277 12 7 Shortcuts mouse Always Alt show shortcuts Ctrl 1 the actual input level at channel 1 becomes the new reference level Ctrl 2 the actual input level at channel 2 becomes the new reference level Ctrl C copies the active item in the Hardware amp Wiring or Worksheets view respectively Ctrl N clear all items in the Worksheet and the Hardware amp Wiring view and open a new project Ctrl O open a specific project Ctrl P print the contents of the current worksheet see chapter View ribbon Ctrl S save the current project settings Ctrl Shift S save the current settings under a n
18. Users FX Control Full Resolution Results File Type Int24bit WAV i Default Folder root directory where the log El o d i 1 4142 V files are stored Analog Peak Level Reference p ii File Type log file format e g Cancel CSV character separated values Text tabbed text Matlab MAT file format Int 24bit WAV integer WAV file 24 bit resolution Float WAV floating point WAV file 32 bit resolution iii Analog Peak Level Reference editable value of the maximum input signal amplitude corresponds to 100 applies only for WAV files 2015 NTi Audio AG MBe 3 9 Help ribbon The Help ribbon provides access to general features and information o o o Check for Licenses Date and Device Fx Control Homepage Updates Time Information Help Buttons Checks for updates of FX Control software or FX100 firmware see below Shows the licenses that are currently active on the instrument Shows the real time clock status and allows time and date adjustment Shows the general instrument information Serial Number 11041 Firmware Version 2 2 0 202 Calibration Date 18 08 2011 09 17 e H a rd Wa re Model Fx100 Nr of Channels 2 Next Calibration 18 08 2012 09 12 Win Ce Win CE 5 0 Image Image V3 4 Bootload Bootloader V3 4 Serial number z SS PureSound NO LICENSE j ld PcbSerial PcbVersi PcbInd Model 00147 E T 21 2 00008 2 12 00008 2 1 00148 2 00172 2 12 Number of cha
19. e g to measure or equalize the amplifier output i l voltage i i NE i 5 E e Shunt resistor to Inbus 1 2 gt this link is required for measuring the AC I Ti NT o gi eed impedance of a connected DUT Device Under Test o ge i a a Speakon OUT to Inbus 1 2 gt measure the DCR of the DUT or equalize the i actual driving voltage Route To Inbus 1 2 erst Route To Inbus 2 EF ERRE 2 mmm Route To None Inbus 2 FX SIH properties e Slot number SpeakerlmpedanceHigh number PCB serial number PCB version PCB index Slot 2 Speakerimpedancehigh 1 0000 A 2 123 Source Amplifierin v e Source o Amplifierln gt Speakon IN connected to amplifier output o DCR4Erange gt internal current source of the SIH is active is used to measure the DC impedance of the connected DUT in the range from 2 to 100 2 SIH safe operating area 1600 1400 1200 1000 800 Load power W 600 Safe operating area 200 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Load Ohm 2015 NTi Audio AG MBe 36 FX Control User Manual Application examples a Cable connections from 4rnplifiar Controller pl Aura bog a paker li pada Ki Hil a LI E ie _ 4 eg d Ki eg AU D Example of cable connections between FX100 FX SIH option FA400 audio amplifier and M2010 microphone Speakon pin assignment e 1 Speak
20. highlighted 500 3k Ak Sk6k 8k 10k Glidesweep Level Ch2 B2 Limits based on multiple GlideSweep Level Ch2 references 1 Place a Line Graph Collector in the WorkArea and acquire the reference measurement s by using a decent number of good working samples 200 300 500 8001k 2k 3k 4k Sk6k 8k10k Hz 2 Inthe properties of the measurement graph click on the button Create Function Calculation Item then select Mex z Displacement Max Min Mean or RMS and enter ES the or tolerance headroom for e the High or Low limit respectively em If required repeat step 2 for the alternate limit Drag amp drop the two calculation items High and Low to the WorkArea Right click on the upper curve and select Copy Data from the pop up menu Create Calculation Item x Function Min e Displacement 3 Kept Curve Name Low 200 300 500 800 ik k 3k ak 5k6k Hz amp k 10k 2015 NTi Audio AG MBe Tolerance limits 221 6 Inthe Source properties of the Line Graph Collector click on the Edit Data button a graph opens that shows the last recorded curve D Level 2 EI 7 Right click on the graph and select e High gt Paste to use the eee nee ee oe copied curve as upper limit D ep we e Low gt Paste to use the copied curve as lower limit 100 200 300 500 800 ik 2k 3k 4k Sk6k 8k10k 8 Click on OR to confirm or abort via i Cancel 9
21. measurement a Logarithmic b Linear this mode supports only PureSound measurements NOTE PureSound analysis results that have been acquired with a logarithmic GlideSweep are not 100 compatible to the data from a linear GlideSweep Measurements e Level e THD e Harmonics e PureSound ileso evel e Phase e Speaker impedance e Signal latency e Impulse response e ETC ral Mat a 1 o WH ik kk KIE ke by br gi BESSE 4 Lah date A Sil tan Bl ir J H A di Ban il Wit a EC gu p a i Es GC EE La NW y Pill ja ia H 10 Ap ir d KSE Wi ba itt wei TH ir SS Eis Ir ir ees wR ER EG ESS El Y 2015 NTi Audio AG MBe 8 4 Measurements results calculations 145 Measurement functions The following matrix shows the measurement functions supported by FX100 and the operating modes in which they are available NOTE A measurement is only executed if a result display is placed on a Worksheet Prase miercharmel phase DCV Differential DC voltage between XLR pin 2 and 3 kabulno ETC AESInputSampleRate clock frequency of the AES input signal A 9 SyncinputSampleRate clock frequency at the Sync Ref Input 5 connector 1 Please refer to chapter THD calculation method signal spectrum Fast Fourier Transformation Gain ratio of input vs output level Total Harmonic Distortion 1 4 PureSound analysis results from a logarithmic GlideSweep may
22. number of signal periods that have to pass by before the settling process starts Mode individual de activation of the settling for the specific measurement function s o Normal gt settling is active o Selective settling is only active in the user defined frequency range o Off gt settling is deactivated Active Ch gt activate or deactivate the settling for a specific channel Algorithm select the settling method o Exponential gt the tolerance band gets the wider the longer ago a sample has been acquired o Flat the width of the tolerance band is fixed i e identical limits for all acquired samples Tolerance gt the acceptance headroom expressed in dB or Yo between the last acquired sample and the upper lower tolerance limit Sample gt the number of samples that must be within the tolerance limits to fulfill the settling condition Floor gt minimum signal level that a sample must have to be considered for the settling process Noise gt the inherent noise of the connected device s or analyzer is added to the acquired result thus widening the acceptance criterion 2015 NTi Audio AG MBe Measurements results calculations 143 Example K j F N i A nef Signal TS a m kanji E os e Hi ma ve P Be 9 mm mm mm mm mm mm mm mm mm mn rm ET mg P Time StepSweep ire Settling process Settling condition f StepSweep quency changes for frequency f OK gt valid
23. points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points Add Source gt click on this button to select and place another measurement on the worksheet 2015 NTi Audio AG MBe Measurements results calculations em Result display The Meter distortion results can be displayed either as a numerical value or in a bargraph Meter THD Chi Meter THDN Chi 39 12 dB 35 90 dB Min 36 50 The StepSweep or GlideSweep distortion results are displayed in a graph StepSweep Harmonics Chi Sumi WINT 3714 26 21 01 70 20 60 80 100 200 300 400500 800 ik 2k 3k 4k Sk6k 8k 10k Hz 2015 NTi Audio AG MBe CN FX Control User Manual 8 4 6 Phase interchannel The interchannel phase measures the phase shift between the generator analyzer channels Phase gt Di FX GEN FX ANA The test system has to be prepared as follows 1 Switch the FX100 Meter StepSweep generator to waveform Mono 2 Connect the generator output channel via the DUT Device Under Test to an analyzer input channel 3 Link the alternate generator channel to the free analyzer channel NOTE The interchannel phase can only be measured between the channels of the same analyzer board Le chn1 chn2 or chn3 chn4 Properties Properties Cl e Header gt editable name of the phase measurement display Header e Sources gt measu
24. recognized by the controller PC Drag amp drop the required item e g speaker microphone from the toolbox to the Hardware amp Wiring view or Click on the corresponding button in the Ribbon Adjust the domain of an installed FX AES board Analog or AES or Generic HO External Source device Analog or Digital va the properties Right click on the item and select Delete or press the Delete key on your PC keyboard Left click and hold on an item P move it to the required place and release the mouse button a Left click and hold on the first item in the view move the cursor to the second item and release the mouse button Note only valid connections e g output gt input can be drawn b Right click on the connector and select the required Routing Right click on the generator and select Mute On or activate the mute state in the Properties Right click on an analyzer XLR or BNC connector or left click on the small arrow Right click on the requested input connector and select the requested Bias 100 AN Usethe Zoom slider NOTE Some settings in the Hardware amp Wiring view are mirrored in the Worksheets i e amending them in either view also has an immediate effect on the other view 2015 NTi Audio AG MBe Example T A A setup Test setup established by FX100 with FX SIL option installed external audio amplifier passive speaker and M2010 measurement microphone e FX100 generator CH
25. toolbox 69 vew 70 Harmonics 156 Headphone Ys jack 20 volume control 12 20 Help ribbon 65 version 6 High pass filter 106 2015 NTi Audio AG MBe ICP 104 analyzer 27 input switcher 44 IEC calculation method 257 IEEE 488 278 IEEE calculation method 257 Impedance digital audio 119 digital audio inputs 29 measurement 173 SIH 35 SIL 31 SIP 38 Impulse response 114 177 Inbus analyzer 27 Initiate measurement 182 sequence 182 228 Input level measurement 147 state 235 switcher 44 Installation 6 Interchannel crosstalk 163 phase 160 XTalk 163 Introduction 6 IP address 16 K Keep curve 18 7 oe Language 54 257 LCD 16 Level generator 81 measurement 14 7 ranges 81 relative 147 277 units 81 License download 65 2015 NTi Audio AG MBe menu System 16 Limits device 216 217 overvew 216 software 216 222 Line Graph Collector tolerance limits 217 222 linear 269 fit 61 interpolation 61 Log logarithm 203 logarithmic 269 Logging full resolution 64 177 178 194 ribbon 64 settings 64 standard 193 Low pass filter 106 Mainframe 12 MAT file 64 150 177 178 194 Matlab 64 150 177 178 194 Max 203 Max runs 165 Mean 203 Measurement activation 49 continuous 5 7 184 crosstalk 163 DCR 170 DCV 169 ETC 178 execution 136 182 2 7 FFT 150 frequency 146 functions oveview 145 gain 154 GlideSweep 49 144 harmonics 156 impedance 173 impulse response 1
26. 0 07 0 075 J s prm Acquire o Delay 2 056 ms Distance 0 712 m 40 50 60 70 80 90 100 400 500 600 700 800 900 ik Time window end point placed in front of the first reflection i e 12 ms Hint The grey bar in the low frequency range of the Level graph indicates that the corresponding results become uncertain due to the time windowing 2015 NTi Audio AG MBe Analyzer settings 117 Time window type The time window implemented on the FX100 is a Tukey Window 10 Taper SlideSweepImpulseResponse Ch1 44 04 ms 1 0000 Unity 15e 3 0 3 25e 3 30e 3 35e 3 40e 3 Time window Tukey Window 10 Taper 2015 NTi Audio AG MBe Digital ts 6 Digital The branch Digital in the toolbox is only available if the FX AES board is installed in the FX100 lt provides access to the installed digital audio option 6 1 AES The FX AES board supports the generation analysis of digital audio signals according to the AES 3ID standard e Settings gt basic settings of the digital generator analyzer e Carrier status carrier status error flags and active bits monitor e Channel status gt channel states of the generator editable and analyzer monitor only e Sync status carrier status of the Sync Ref Input Hint For more technical details or background information please refer to the AES 3ID standard http tech ebu ch docs tech tech3250 pdf 6 1 1 Settings The AES settings d
27. 1 gt linked to Amplifier input e Amplifier output gt linked to SIL input CH B SIL output CH B gt linked to speaker pins SIL shunt resistor gt linked to FX100 analyzer CH 2 via Inbus 2 e Microphone gt linked to FX100 analyzer CH 1 Fx SpeakerTest FX Control 2 2 0 gt er Start View Wiring Worksheets Logging Help GHG KAN Agong r Scan Passive mye Mic Mic Generic FA400 Generic RT IB Generic External Speaker Speake 010 2015 Mic Amplifier Amplifier 100V YO Source DE click button A Scanned Hardware A Other Hardware Types e Passive Speaker g Active Speaker Mic 2010 eneric Amplifier 1 pa Speaker 1 Mic 2015 SSS es 4 a Generic Mic E Fasoo amplifier O Generic Amplifier 27 18 100v C Generic 1 0 6 External Source Pai Fx Simulator Edi a Right click on item ana E 4 toamend its status e g routin the arrow down 9 g button Trace Taa 2015 NTi Audio AG MBe FX Control User Manual Example 2 D A setup Test setup established by FX100 with FXAES option installed and generic I O device e g D A converter e FX100 generator CH 1 gt linked via FX AES board to the DUT e DUT analog output gt linked to FX100 analog analyzer CH 2 Hint In case of a digital setup you have to adjust the properties of the FX100 and of the generic VO device accordingly Fx FX Control 2 6 0 Start View iri Worksheets Logging Help NGON a Uc Ei Scan Passive Active Mi
28. 1002 245 2015 NTi Audio AG MBe Measurements results calculations 8 4 2 Level input level selective level FX100 supports three different level measuring methods Audio filter optional Measurement amplifier E Ml gt Input level z L Level of signal component with dominant frequency V Analyzer input Selective E level A Level wideband The level of the incoming signal after the input audio filter available in Meter StepSweep or GlideSweep mode B Input level The level of the incoming signal as is i e without any audio filter available only in Meter mode C Selective level The amplitude of the signal component with the dominant frequency available in Meter or StepSweep mode Hint If no audio filter is active the wideband level input level 2015 NTi Audio AG MBe um FX Control User Manual Properties Header Meter Level Chi Source a FX 1 Measurement Meter Level cht EI Active Un F ut Ted Limit Low dEV Limit High dBv Format Properties Header GlideSweep Level Chl Sources Ts FX 1 Measurement Ex E H Active On e Unit dBW Limits Edit Data Type Fined e Format Color Green e TEN Pen H Interpolation Add Source e Header gt editable name of the level measurement display e Sources gt measurement function o Clear the checkbox to hide the corres
29. 2 below o Max Peak recommended for display gt the maximum FFT bin value is searched and returned within the width of one and the next graph points o Power recommended for calculations gt the energy within the width of one and the next graph points e Spacing gt linear or logarithmic distribution of the level results on the X axis e Start gt lower end of the displayed frequency range side note the FFT is always calculated over the full 80 kHz bandwidth e Stop gt upper end of the displayed frequency range 2015 NTi Audio AG MBe 152 FX Control User Manual e Average Type gt for averaging of several consecutive FFT spectra o Off gt averaging disabled o Exponential gt the averaged FFT spectra are weighted inversely proportional to their age o Normal gt all averaged FFT spectra are weighted equally e Average Cycles gt number of the FFT spectra that are averaged for the current result display e Average Reset gt click on the button to re start the averaging process e Write Full Res Results to file o Active On gt Full resolution mode is active o Active Off gt Full resolution mode is disabled e Format gt the format in which the numerical results are displayed e Color gt selectable color of the corresponding curve e Pen gt selectable line style of the corresponding curve e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly via stra
30. 20 00000 Hz 20000 00 Hz Stop A Calculation Items Fadeout Total Length o or access the parameters in the Properties Toolbox section Worksheets K zoue sl A Hardware Level Ch1 CHE 1 3 Bn Ke 9 000 dev gt orr ad E Ei Generator 20 00000 Hz 2 B Level E E Outstate 20000 00 Hz J a Meer 0 05 s B StepSweep e a E GlideSweep a B Analyzer 0 01 s Ki Measurement Connection between Total Length 2 06 s ei E Advanced selected panel and properties Max Length 10 00 s A Calculation Items Highest Harmonic 35 Weighti SSS ee LE 2015 NTi Audio AG MBe 266 FX Control User Manual Via the ribbon e Click on the Front Panel button in the Worksheets ribbon e Under the Tree tab click on FX 1 Generator Level gt Channel2 e Confirm by pressing the OR button Front Panel y ES Select a Source Tree Measurement Functions El FX 1 LJ Generato GlideSweep Analyzer Measurement Advanced Sequence 3 Analyzer parameters The analyzer parameters are adjusted the same way as the generator status see above e g e AC or DC coupling e Microphone settings e g power supply sensitivity e Filter e Input range 2015 NTi Audio AG MBe 4 Measurements Application hints 267 Activate the required measurements by plac
31. 2015 NTi Audio AG MBe 124 FX Control User Manual 7 Regulators egualization The Regulator is used to execute iterative procedures that optimize specific settings e g e Generator level gt adjusts the FX100 output volume so that the feedback line shows the user defined level or THD e GlideSweep range gt optimizes the FX100 analyzer input range for the transmitted GlideSweep signal e Generator equalization gt weights the generated test signal so that the feedback line shows a flat frequency response e Sensitivity calibration gt determines the sensitivity mV Pa of a connected microphone Every regulator application requires a feedback line to the FX100 analyzer The feedback line can but does not have to be identical to the connection between DUT Device Under Test and FX100 Example 1 Generator level Example 2 Generator equalization 10 5 dBV 4 Equalized Amplifier Flat driving gen level response signal e A do Feedback line A temporary feedback line to the FX100 analyzer allows adjustment of the generator level so that the driving voltage for the DUT reaches the A temporary feedback line from the amplifier output to the required level FX100 analyzer input allows equalization of the FX100 generator output signal whereas the microphone signal is measured in the final application Hint The acquired regulator data can be kept by saving it in a project together with the current system settings
32. 4 channel FX100 system A1 Frequency amp impedance response Ngo H Di Passive Speaker 1 Mic O 1 Passive Speaker 1 ZS El h E L 3 5 E E 5 To gt TS E E ai E A E A E UL E LL Passive Speaker 2 Mic 2010 2 A2 DCR Pasewe Speaker 1 Mic 01 Pasilive Speaker 1 Mic agro 1 em emm S Es S E pamer Cut E E a o OG Analog Generator Analog Analyzer FX 1 Analog Generator Analog Analyzer Speaker imp Po Passive Speaker 2 Mic 2010 2 2015 NTi Audio AG MBe KEH FX Control User Manual B BRIDGE mode application examples Hint You must use a 4 wire cable to connect the FX SIP with the loudspeaker B1 Frequency amp impedance response Controller Analog Generator Baker imp Power gt lt LL Passive Speaker 1 Mic 2010 1 B2 DCR o0 E CHA E E 5 apeskerOut a E J OG F gt lt Passive Speaker 1 Mic 2010 1 Speakon pin assignment e 1 Speaker signal e 1 Speaker signal e 2 Sense e 2 Sense 2015 NTi Audio AG MBe Hardware MON 2 12 FX DF option The FX DF board allows to measure the performance of D class amplifiers It includes one low pass filter per channel that cuts off the amplifier noise beyond 20 kHz The DF option thus keeps away the impact of the amplifier s switching circuitry from the measurement results in the audio band FX DF internal schematic Inbus 1
33. 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz 2015 NTi Audio AG MBe FX Control User Manual LowPass 22 4 kHz 6 7 8 910 20 30 40 50 60 70 80 90100 200 300 400 500 600700800 ik 2k 3k 4k 5k k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k 5k Ge 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz 2015 NTi Audio AG MBe Analyzer settings 5 10 Synchronization FX100 supports the analysis of internally or externally generated signals In both cases the analyzer and the test signal generator must be synchronized properly The synchronization can be adjusted individually for Meter and StepSweep analysis via the Analyzer properties Internal External e The analyzer is directly synchronized to the FX100 e The FX100 analyzer synchronizes automatically to the generator frequency incoming signal e This mode allows maximum measurement speed e This mode supports applications where the test signal without compromising accuracy is generated by an external device NOTE If the synchronization source is set to Generator some sweep parameters have to be defined via the Generator properties If the synchronization source is set to External also the Analyzer properties must be adjusted see chapter Application hints gt External signal analysis 5 11 Meter The Meter analysis is either synchronized to e source gen
34. 60 62 64 100 102 104 e EE PA E E a S a 106 See w A ee E sew S tt 108 Distortion artifacts in low frequency GlideSweep region Since the artifacts can degrade the accuracy of a THD distortion measurement it is advised to apply a minimum GlideSweep Length i e duration which depends on the Start frequency that has to be measured 2015 NTi Audio AG MBe KH FX Control User Manual The relation between Glidesweep Start frequency and Length is shown by the following curve Any setting below the red line may show artifacts and should therefore be avoided Glidesweep Start Frequency Hz 400 300 0 1 0 2 0 3 04 05 06 06 1 2 3 4 5 6 7 6 910 Glidesweep Length sec Critical area of GlideSweep Start frequency Length settings In addition to the aforementioned effects the GlideSweep analysis is sensitive to DC offset voltages at the analyzer inputs Such offset voltages may come e g from the DUT but also occur after switching from a different measurement mode e g Meter or StepSweep or after changing the input range The impact of this sensitivity can be minimized by following measures e Allow enough time between switching the FX100 from Meter or StepSweep mode to GlideSweep analysis e Adjust the input range and the GlideSweep range to the same value e Increase the duration of the Fade In 2015 NTi Audio AG MBe Generator settings Amplitude profile The GlideSweep amplitude profile ca
35. Activate the DC Measurement routing on the corresponding output channel using o aright click on the El button of the generator board or o the generator board properties 3 Switch the analyzer coupling of the corresponding channel to DC 4 Activate the analyzer bias current according to the expected impedance of the DUT o DCR 5k range gt 1 6 mA for up to 5 KQ o DCR 100k range gt 100 LA for up to 100 kQ Analyzer coupling DC Analog Analyzer set generator routing to DC D Measurement 2015 NTi Audio AG MBe Example B gt eneric Amplifier 1 A Set properties of Fa GIL channel B to DCR32E Range 7 N Analyzer coupling DC Analog Analyzer Banana conncetors routed to analyzer channel 2 Properties Properties Header Meter DCR Ch1 Source A FX 1 Measurement Meter DCR Ch1 EI On F ohm Active Unit Limit Low Ohm Limit High Ohm Format 2015 NTi Audio AG MBe S Pave Speaker 1 Measurements results calculations 171 Measure the DC impedance of a loudspeaker that is connected to FX100 via the FX SIL board 1 Switch to the Hardware amp Wiring view 2 Switch the analyzer coupling of the corresponding channel to DC 3 Activate the DCR32ERange mode in the FX SIL properties Header gt editable name of the DCR measurement display Sources gt measurement function o Click on
36. Add Parameter and select name pan Name tod the kept Golden Sample curve Add Parameter Add Parameter pa Golden Sample 7 X pa Golden Sample WNI 4 Enter the Formula for the upper or Formula parso H formula pa s o the lower limit select the correct Result Unit asset y Result Unit desa y Result Unit and click on aki Se OK optionally you can show the FA Add to current view OK 1 cancel II FF add to current view Ze Je two limit curves in the same graph via drag amp drop of the Low item over the High graph in the WorkArea 5 Right click on the High or the Low limit curve and select Copy Data from the pop up menu El 6 Inthe Source properties of the measurement graph click on the Edit Data button gt a graph opens that shows the last recorded curve dBSPL 7 Right click on the graph and select j e High Paste to use the wd copied curve as upper limit 100 200 300 500 800 1k Zk 3k 4k 5k6k Bk 10k e Low gt Paste to use the copied curve as lower limit 8 Click on OR to confirm or abort via Cancel 2015 NTi Audio AG MBe 220 FX Control User Manual 9 Add a Passed Failed Display and link it to the measurement Glidesweep Level Ch2 10 Run a measurement to show the device limits the last measurement curve and the Passed Failed result Hint Those measurement results that are beyond the device limits i e failed can not be
37. El o AlwaysOn gt FX100 continuously generates the active Waveform gt signal regardless whether a measurement is ongoing or A Channel i not Mono ok o MeasurementDriven gt FX100 only generates the active S signal as long asa measurement is going on Sine e Waveform Mono Gaam 100 000 He o On gt both output channels of a FX100 generator module 1 amp 2 or 3 amp 4 generate the same signal Channel 2 o Off gt every output channel can generate a different Mono soo signal e g CH1 with Sine 1 kHz CH 2 with Sine 3 15 kHz or CH1 with WhiteNoise CH 2 with Sine 2 kHz Type WhiteNoise e Waveform Type o Sine wave o WhiteNoise 1 o PinkNoise 2 e Sine Frequency applies only for Sine signal 1 The WhiteNoise has a Crest factor of 3 646 if the Generator output level is adjusted to O dBV 3 01 dBVp the WhiteNoise RMS level 8 226 dBV 2 The PinkNoise has a Crest factor of 3 846 if the Generator output level is adjusted to 0 dBV 3 01 dBVp the PinkNoise RMS level 8 710 dBV 2015 NTi Audio AG MBe Generator settings MOS 45 StepSweep FX100 supports four different StepSweep modes a Frequency the frequency of the generated test signal changes according to the user settings while the signal amplitude remains fixed b Amplitude the level of the generated sine wave changes according to the user settings while the signal frequency remains fixed c Time gt the measurements are acquire
38. Example of harmonics line graph wth linear left and stepwse right interpolation 2015 NTi Audio AG MBe Measurements results calculations 189 Line Graph Collector The line graph collector automatically keeps and GlideSweep Level Ch1 shows all acquired measurement curves e Highlight a specific curve gt hover with the cursor over the curve of interest or select it via the properties see below e Read out the data of any measurement point gt hover with the cursor over the curve of interest displayed in blue color 2014 12 16 15 00 03 850 l o 7007 259 Hz 26 79 dBr e Keep a recorded curve to use it as calculation item 36 right click on the curve and select Keep Curve 200 300 500 8001k 2k 3k 4k5k6k 8k10k Hz e To delete a specific or all curves o right click on a curve and select Delete or o right click on the graph and select Delete All curves e Temporarily disable the curve collection while the measurement function stays active i e every new curve is shown but not kept gt right click on the graph and de select Keep All Curves vice versa tick the menu to re activate the collection of curves e There are two ways to copy data from the graph to the clipboard refer also to the explanations below a Right click on a curve and select Copy Data copies the numerical data of that curve to the clipboard b Left click on the El button in the top bar of the graph gt th
39. FX100 audio generator amp analyzer together with the FX Control software form a highly flexible extremely fast and powerful test amp measurement system that meets the requirements of a wide range of applications e R amp D labs e Mass production e Service amp repair centers For dedicated support or calibration services please contact you nearest NTi Audio partner NTi Audio AG NT Praha NTi Americas NTi Korea NTi China NTi Japan NTi Audio AG gt Im alten Riet 102 9494 Schaan a E Liechtenstein Europe Phone 423 239 6060 AU D O Fax 423 239 6089 www nti audio com v 2 8 2 0e July 2015 2015 NTi Audio AG MBe Introduction 1 1 Safety instructions e Operate the instrument only in appropriate envronments and under the conditions specified by NTi Audio e Do not open disassemble modify or attempt to repair the instrument e Make sure that the instruments nominal voltage setting matches the nominal voltage of the AC supply network before switching ON the instrument e Only operate the instrument with an intact power cable where the protective earth connection is not broken e Pay special attention especially to not isolated electrical contacts if you are working with voltages gt 50 V e Install the instrument in a way that sufficient air ventilation is ensured Do not close any slots or openings nor obstruct the instrument s internal ventilator e Do not place the instrument on or close to
40. MBe Analyzer settings 113 StepSweep Amplitude only accessible with synchronization source External Synchronization e Start gt start level of the StepSweep e g 20 dBV Start amplitude SH extemal may be gt Stop amplitude Sense Channel 1 Freg Spacing 5 000000 D e Stop gt end level of the StepSweep e g 10 dBV Stop amplitude may be gt Start amplitude Acquisition GenTrack e Amplitude itude Time only accessible with synchronization source External e Duration gt recording time period expressed in seconds Source e Points gt number of measurements which are equally distributed Ext Sam over the recording period Sense Channel 1 Freg Spacing 5 000000 D Table gt definition of Table sweep parameters is only accessible via the Generator properties Sense Channel 1 Freg Spacing 5 000000 Kl EE eege Acquisition GenTrack Type Table e 2015 NTi Audio AG MBe ma FX Control User Manual 5 13 GlideSweep FX100 supports the analysis of either logarithmic or linear chirps whereby a sine wave sweeps continuously over a frequency range NOTE Only PureSound analysis but not level distortion etc measurements are available in Linear GlideSweep transmission Synchronization Synchronization Source External y e Source gt select the signal source for the GlideSweep analysis External Sweep E aCe UE o Generator gt the F
41. SignalLatency Ch1 GlideSweep SignalLatency Ch1 73 28 ms Schematic test setups for internal and external signal latency measurement NOTE Ifthe signal latency shall be measured from an external device to the FX100 analyzer you must make sure that the analyzer is started at the same time when the signal is generated by the external device e g by triggering the two devices with an electrical signal Test setup amp execution Follow the instructions given in the chapter Application hints External signal analysis Properties AAA Active select the channel s for the signal latency measurement e Unit gt the measured delay can be expressed in seconds or as distance o seconds nana iF o meter o feet e Limit s dad A o Low gt optionally enter the lower tolerance limit for the measurement Limit High 5 o High gt optionally enter the upper tolerance limit for the measurement Result display The GlideSweep signal latency measurement results can be displayed either as a numerical value or in a bargraph Glidesweep SignalLatency Ch1 x GlideSweep SignalLatency Ch1 49 03 ms 49 03 ms 0 06 The calculation time distance refers to the ambient temperature which is defined in the toolbox under Advanced General 2015 NTi Audio AG MBe Measurements results calculations 177 8 4 13 Impulse response The impulse response is directly calculated from the acquired GlideS
42. Toolbox drag amp drop the required panels from the tree to the worksheet 2 via the Ribbon click on a button of the Worksheets ribbon to open the corresponding measurement panel or item Via the toolbox Example 1 Adjust the generator chn 1 level e In the Worksheets toolbox expand the tree to FX 1 gt Generator gt Level Drag amp drop the Channel 1 panel to the worksheet Click on the gt button to select the level measurement unit Enter the required output level manually or by using the scroll wheel Toggle the generator output button from OFF i e muted to ON to activate the output signal Example 2 Adjust the GlideSweep test parameters e Open the tree to FX1 Generator gt GlideSweep e To edit the GlideSweep parameters you can either o drag amp drop the GlideSweep panel to the worksheet Toolbox Worksheets A Hardware E ls FX 1 Level Ch1 CH E Channel 1 9 000 dBy gt OFF Enter the level via the keyboard or by using the arrow keys or scroll wheel a Bee Channell ES Channel2 Outstate Meter Ki StepSweep E GlideSweep B Analyzer Measurement Eg Advanced 2 Calculation Items Toolbox Hardware E S Fx 1 E ES Generator Sheet 1 Level Ch1 ix Mx Channel 1 d Editable dal parameters E Eg Level Outstate Drag amp eter drop y Tenuen slideSweep B Analyzer S Measurement B Advanced Spacing Start
43. a sadha Bin nah Da Dan a 75 0 63 DU 20 30 5070100 2003500 500700 ik 2k 3k4k5k 8k Hz Click on the Run button to start the equalization and if it was completed successfully on Apply 2015 NTi Audio AG MBe 134 FX Control User Manual gt eneric Amplifier 1 S Passive Speaker 1 Pull wire link from one connector to another one item to link it internally Required wring for speaker testing 7 4 Sensitivity calibration The sensitivity calibration allows to measure the exact sensitivity of a connected microphone with the aid of a microphone calibrator Recommended procedure Properties y A SS Sensitivi ibrati ege 1 Click on se in the Worksheets ribbon and select the connected Sensitivity Calibration f a FX100 Device T Calibrator sei 2 Click on the Sensitivity Calibration panel and adjust its properties i e en maa o Level gt specified SPL of the microphone calibrator typically 94 dBSPL Analyzer i o Channel analyzer input to which the microphone is connected Initial Delay gt user defined delay that allows the system to settle before the calibration procedure starts 3 Plug the microphone into the mic calibrator and switch ON the calibrator 4 Click on the Run button gt the system displays the acquired sensitivity in mV Pa 5 Click on Apply and close the panel 2015 NTi Audio AG MBe EOS FX Control User Manual 6 Measurem
44. activates the generator equalization o Data View gt shows the current values of the generator equalization file o Data Copy copies the contents of the generator equalization file to the clipboard o Data Paste gt pastes the clipboard contents to the generator equalization file e Amplitude profile see below o Enable gt activates the amplitude profile feature o Data Edit gt opens a graph with the current amplitude profile o Data Copy gt copies the numerical values of the current profile to the clipboard o Data Paste gt pastes the numerical data from the clipboard to the profile o Superposed View gt shows the superposed amplitude equalization profile weightings Hints The GlideSweep analyzer parameters have to be defined via the corresponding analyzer properties the required GlideSweep measurements have to be activated separately Mute the FX100 output channels if an externally generated GlideSweep is being analyzed GlideSweep artifacts Due to the nature of the GlideSweep measurement artifacts can occur in the low frequency region These artifacts become noticeable in the form of increased THD i e harmonic distortions measurement results The amount of these artifacts and the affected frequencies depend on the particular GlideSweep parameters The same limitation applies also for acoustical measurements where the low frequency noise can interfere with the synchronization This can also result in measurement errors
45. control or sequencer operation To access these features move the cursor to the corresponding menu entry by turning the rotary encoder and pressing it for confirmation NOTE NTi Audio recommends annual calibration of FX100 A message on the unit s LCD indicates expiration of this period Test Test RESULT ll Meter cTRLLOC ERR sal a SAH Armed Measure Passed Failed Cal Req Alarms OUTP1 OVLD OUTP2 OVLD Result The key purpose of the LCD is to visually indicate the test result which is further emphasized by two light bars on the left amp right sides of the display Suppose for example that the operator has defined tolerance limits for the active measurements Then the light bars will glow either green or red depending whether the last test PASSED or FAILED any of the given limits idle state analyzer waits for a measurement trigger instrument is executing a measurement measurement results meet the acceptance criteria green light bar measurement results exceed the tolerance limits red light bar FX100 needs to be calibrated contact NTi Audio service station overload of output channel 1 overload of output channel 2 Operating mode This indicator shows the measuring mode in which the instrument is operating Meter StepSweep GlideSweep Seq TEST Meter mode StepSweep mode GlideSweep mode the active Sequence the sequence that is currently executed Furthermore it indicat
46. e Start gt start level of the StepSweep e g 20 dBV Start amplitude Amplitude may be gt Stop amplitude Start 20 00 dEV e Stop gt end level of the StepSweep e g 10 dBV Stop amplitude S Stop 0 000 dev may be gt Start amplitude e Points gt number of measurements between the start and stop Points 10 amplitudes Spacing Logarithmic Spacing o Linear gt the generated sweep level steps are distributed linearly Start Tone Off standard application Weighti o Logarithmic gt the generated sweep level steps are distributed logarithmically only used if level is expressed in V or Vp e Channel 1 e Start Tone On gt a 1 KHz start tone with fixed duration of 1 second is YAxisUnit Logarithmic e generated prior to the StepSweep execution Amplitude Equalization Enable Hints The amplitude sweep analyzer parameters have to be View defined via the Analyzer StepSweep properties The required StepSweep measurements have to be activated separately If an externally generated amplitude sweep is being analyzed it is recommended to mute the FX100 output Disable e Data View channels Superposed View Le 2015 NTi Audio AG MBe Generator settings Time sweep FX100 records the active measurement s over time during which an optional test signal may be generated Level dB Example of generated test signal during a time sweep 2015 NTi Audio AG MBe
47. export the current GlideSweep i e to create a wav or mp3 file of the GlideSweep This file can then be replayed by an external device and analyzed by FX100 e The spacing of the exported GlideSweep can be linear or logarithmic e The GlideSweep is always exported WITHOUT any weighting e The GlideSweep sound file always starts with a fixed header that allows the FX100 analyzer to trigger amp synchronize correctly to the incoming signal NOTE lt is essential that the GlideSweep generator parameters of the analyzing FX100 are identical to those of the externally replayed GlideSweep signal a Ee 5 e File Type gt select Wav recommended or Mp3 format according to your me ws demands File Name Documents GsBw80k Log 20 20000 2 0 05 wav m Media File Parameters File Name gt FX Control automatically proposes a file name in the default Gen d directory can be edited Output Channel Sample Rate e Attenuation gt output level attenuation of the generated GlideSweep 80 dB to per Sample li Ss 0 d B e Output Channel gt the sound file can be generated with the GlideSweep on Generate J Ges o Mono 1 chn signal o Stereo Both 2 chn signal o Stereo Left 2 chn signal but right channel muted o Stereo Right 2 chn signal but left channel muted e Sample Rate gt select the sample rate of the GlideSweep sound file fitting to the replay device e Bits per Sam
48. functions and existing calculation items whereas the alternate tab lists only measurement functions 2015 NTi Audio AG MBe CalculationItem Select a Source Tree Measurement Functions E FX1 Generator Analyzer E Measurement er 1 StepSweep GlideSweep Level THD Harmonics PureSound Phase SpeakerImpedance Advanced Passive Speaker 1 Generic Amplifier 1 Mic 2010 1 Power_LimitHigh Calculated Passed Failed EA E Et Calculation Item Calculation Item Measurements results calculations CalculationItem E Select a Source SEENEN Device Instrument Type Channel Active 7 FX 1 Meter Fft 1 Iw FX 1 Meter Frequency 1 O FX1 Meter Frequency 2 E FX 1 Meter Frequency 3 O FX1 Meter Frequency 4 O E FX1 Meter Level 2 o E Di Meter Level gt m FX1 Meter Level a O FX 1 Meter Inputlevel 1 O ST Meter Inputlevel 2 E E Name es Item xa R 1 Measurement GlideSweep Level Ch1 eis Formula 0 0 H WE Errors W Add to current view If desired amend the name of the new data source e g X1 gt Add further data sources according to your requirements Step 3 Define the calculation instruction Define the formula that processes the data sources with e mathematical operators e boolean operators or e specific operators of FX Control Assign an appropriate result unit of measurement to the
49. g by adding the o logo of your company in the header permanent text or graphs that will not change see picture under Step 6 Step 2 i Run FXControl set up your test and activate the required measurements ii Establish a sequence with minimum one state iii Add a build report iv Select the Template File e g the word document from Step 1 v Enter a name for the Output File o No name i e input box is left blank every time the sequence is executed a new Output File is created with the default name lt Step name gt lt Date gt lt Time gt o Fixed name e g Result Sheet gt every time the sequence is executed the one amp only Output File gets overwritten Side note requires the Post Build Action Pont o Indexed name e g Input x or FX1 SerialNumber gt every time the sequence is executed an Output File is created with the indexed name Side note if the indexed name does not change the Output File gets overwritten vi Select the Post Build Action i e either o None gt Output File is created without any further action 2015 NTi Audio AG MBe 274 FX Control User Manual o Open Output File is created amp opened o Print Output File is created amp printed Build Report ES Step Name BuildReport 1 Template File C UsersimbelDesktop Certificate docx El Output File input 1 Post Build Action Open Step 3 i Swap to MS Word and open the Tem
50. has following properties e Slot number AES board number PCB serial number PCB version PCB index e Domain of Generator Analyzer independently adjustable O O Analog digital audio inactive AES Ch1 amp 2 gt digital audio active on both channels e Output settings gt Source O Internal gt the digital audio generator uses to its own clock source AESInputRecovered gt the digital audio generator synchronizes to the clock of the signal at the analyzer input SyncInput gt the digital audio generator synchronizes to the clock of the Sync Ref Input connector e Input settings Connector O O O O XLR gt analyzer linked to XLR input connector BNC gt analyzer linked to BNC input connector Optical gt analyzer linked to TOSLINK input connector AES Output Monitor analyzer directly linked to digital audio generator e Input settings gt Impedance O O O 110 Ohm gt impedance of input connectors 110 2 75 Ohm gt impedance of input connectors 75 2 Hi Z gt impedance of input connectors gt 10 kQ e Sync Input gt Impedance o Hi Z impedance of Sync Ref Input connector gt 10 kQ o 75 Ohm gt impedance of Sync Ref Input connector 75 Q 2015 NTi Audio AG MBe Hardware 31 2 9 FX SIL option The FX SIL plug in board is used to measure either a the AC impedance of the connected loudspeaker s via two high precision 1 2 shunt resistors or b the DC resistance of th
51. heat generating devices such as radiators or fan heater e Make sure that the environmental temperature does not exceed the maximum temperature specified in the data sheet e Do not insert any objects into the openings in the housing or pour any liquids onto or into the housing e Keep in mind that this instrument has no brain use your own 2015 NTi Audio AG MBe e FX Control User Manual 1 2 HW SW installation Hardware e Carefully unpack the instrument and place it on a flat stable surface e Connect the instrument to AC mains via the power cord e Link the CPU board to the controller PC via a standard USB cable e Switch the instrument ON PC software Controller PC requirements e CPU Pentium 400 MHz 96 MB RAM minimum Pentium 1 GHz 256 MB RAM recommended e Architecture x86 or x64 e Operating system Windows XP SP3 or higher 64 bit versions of Windows are supported e Windows installer 3 1 or higher e Internet explorer 5 01 or higher e Communication interface USB TCP IP interface not yet supported Software installation procedure 1 Insert the CD 2 Double click on the icon Setup exe Hint If the connected FX100 device is replaced by another unit a hardware scan has to be executed to re establish system operation 2015 NTi Audio AG MBe 1 3 Introduction e License agreement Scope This End User License Agreement EULA is a legal agreement between you either an individua
52. ir d i S 30 50 70100 200300 500 ak 3k4k5k 7k 10k 20k Hz 10 20 30 50 70100 200300 500 ik Zk 3k4k5k 7k 10k 20k Hz 2015 NTi Audio AG MBe Measurements results calculations 207 Example 2 Power consumption of a DUT Measuring the power consumption of a DUT by using the formula P W U R U voltage at the DUT input connectors R impedance of the DUT Step 1 Test setup Establish the internal and external connections between the FX100 instrument and the DUT gt 06 eneric Amplifier 1 Generic I O 1 Controller FX 1 Analog Analyzer Step 2 Adjust the test parameters e Enter the appropriate generator analyzer settings e g GlideSweep output level 4 input range e Activate the required measurements i e chn1 level chn2 speaker impedance 2015 NTi Audio AG MBe 28 FX Control User Manual Step 3 Establish the Calculation Item calculation Calculation Item e Click on the New calculation button in the worksheets ri bbon Name Power e Add the level impedance Add Parameter measurements as data Levelt d 1 Measurement GlideSweep Level Ch1 X sources Imped2 A x e Enter the formula that ZE Levelt Level1 Imped2 calculates the power AA Level 1 Level1 Imped2 So Errors e Assign the measurement unit W to the calculated result ke Add to current view OK Cancel gt Consequently a result display is opened on the wo
53. is active Name name of the currently active sequence e g Test1 Size memory space of the active sequence Exec start execution of the active sequence Load download a new sequence from the root directory of a connected USB stick Delete delete the selected sequence Ret return to sequencer list items Sequencer status il sequence stopped BH TEST sequence running Abort aborts the currently running sequence 2015 NTi Audio AG MBe Hardware 19 Ret Return Press button to go to page meni Return to main menu Menu System Menu Display Supported actions entry CAL Date of the latest FX100 calibration and the due date for the next calibration SNR Serial number of the FX100 be VER Actual version of the firmware and of the OS BSP image boot Start firmware update loader LIC List of installed licenses and their expiration dates So mm Let of slots and installed boards wth tne respecte versions 2015 NTi Audio AG MBe 20 FX Control User Manual 2 2 Headphone jack The headphone jack on the front panel is used to listen to the input signal in two modes e Monitor the input signal after the filter stage e g A weighting lowpass etc e PureSound the input signal after the PureSound bandpass filter Channel selection and volume control are accessible in two ways via the e Toolbox gt Advanced General gt Headphone e display 4 rotary encoder 2 3 USB A
54. is active 2011 08 29 11 17 14 641 2011 08 29 11 17 16 161 Create Calculation Item Delete all o checkbox cleared gt the collection of curves is temporarily disabled while the measurement function stays active i e every new curve is shown but not kept 2015 NTi Audio AG MBe 190 FX Control User Manual e To use a specific or all collected curves as reference data for a calculation o click on the Create Calculation Item button gt a panel opens to define the function and parameters of the required data processing e g maximum data 3 dB offset e To copy the numeric data of a specific curve to the clipboard right click on the curve in the list of kept curves and select Copy Data refer also to the explanations below e To delete a specific or all curves o right click on the specific curve in the list of kept curves and select Delete o Click on the Delete all button to delete all collected curves at once 2015 NTi Audio AG MBe Measurements results calculations tat Post processing of recorded curves Copy data to the clipboard a Left click on the ki button in the top bar of the graph display copies all numerical data and the graph with all displayed curves to the clipboard b Right click on a curve and select Copy Data copies only the numerical data of the corresponding curve to the clipboard Paste data from the clipboard The contents that are pasted from the cl
55. must be gt start frequency NOTE The difference between the Start gt Stop frequency must be greater than 1 3 octave Please observe also chapter GlideSweep artifacts Fade In gt user defined duration of a special signal that precedes every GlideSweep Length gt user defined duration of the GlideSweep Fade Out gt duration of the terminating signal not editable Total Length gt overall duration of Fadein Length Fadeout not editable Max Length gt maximum possible length of the GlideSweep depends on start stop frequencies not editable Highest Harmonic gt uppermost harmonic that can be measured depends on start stop frequencies not editable oo A UU VV Lan a Nya Fade Out Time GlideSweep 20 Hz gt Fade In 0 25 s tart button to generate a wav or mp3 file with the current GlideSweep see below 2015 NTi Audio AG MBe Generator settings KEH Weighting An individual weighting of the generated GlideSweep signal can be applied to each channel It allows you for instance to equalize the generator output or to apply a user defined amplitude profile In either case neither the GlideSweep spacing nor duration are affected e YAxisUnit o Linear gt the generated signal level between GlideSweep points is interpolated linearly o Logarithmic gt the generated signal level between GlideSweep points is interpolated logarithmically e Amplitude equalization o Enable
56. need professional support please contact your local NTi Audio agent or any of the following service centers Americas NTI Americas Inc PO Box 231027 97281 Tigard Oregon USA Phon 1 503 684 7050 Fax 1 503 684 7051 t mintner nti audio com www ntiam com Germany Schalltechnik Sud amp Nord GmbH Am Schwarzen 13 45239 Essen Deutschland Phon 49 201 5456 980 Fax 49 201 5456 981 besselmann akustiktest de www akustiktest de Korea NTi Audio Korea Room 307 Taekwang Bldg 57 3 Mullaedong 3 ga Yeongdeungpo gu Seoul 150 835 South Korea Phon 82 2 6404 4978 Fax 82 2 6407 4978 k kim nti audio com www nti audio com UK NTi Audio UK PO Box 510 SG1 9LG Stevenage Hertfordshire United Kingdom Phon 44 1438 870632 Fax 44 1438 749160 charles greene nti audio com www nti audio com 2015 NTi Audio AG MBe China NTi China Co Ltd Room 701 Ganglong Lisheng Mansion No 60 Suli Road Wuzhong District 215168 Suzhou PR China Phon 86 512 6802 0075 Fax 86 512 6802 0097 china nti audio com www nti audio com cn Japan NTI Japan Ltd Ryogokusakamoto Bldg 1 8 4 Ryogoku Sumida ku Tokyo 130 0026 Japan Phon 81 3 3634 6110 Fax 81 3 3634 6160 okayasu nti japan com www nti japan com Liechtenstein Headquarter NTi Audio AG Im alten Riet 102 9494 Schaan Liechtenstein Europe Phon 423 239 6060 Fax 423 239 6089 info nti audio com w
57. only the upper or the lower limit or both limits e Format gt the format in which the numerical results are displayed The AES sample rate measurement results can be displayed either as a numerical value or in a bargraph 2015 NTi Audio AG MBe 180 FX Control User Manual 8 4 16 Sync input sample rate The Sync input sample rate is the clock frequency at the Sync Ref Input connector NOTE This measurement function is only available if the FX AES board is installed Properties Properties x e Header gt editable name of the Sync input sample rate Header measurement display Meter SyncinputsampleRate e Source gt measurement function if it shall be amended click on Source the button e Active o On gt measurement is active eo rr o Off gt measurement is inactive Limit High Hz e Unit o Hz gt Hertz must be selected for the Sample Rate Deviation o ppmr gt parts per million relative e Limit s o Low gt optionally enter the lower tolerance limit of the frequency measurement o High optionally enter the upper tolerance limit of the frequency measurement Hint lt is possible to enter no limit only the upper or the lower limit or both limits e Format gt the format in which the numerical results are displayed Result display The Sync input sample rate measurement results can be displayed either as a numerical value or in a bargraph Meter AESInpu
58. result frequency f from f af starts starts Settling procedure Sample Comments x Hy HZ samples are not considered for the current settling process as they were acquired before the expiration of Cycle Delay 1 sample rejected since it is below the Floor level 2 sample rejected since it meets neither Exponential nor Flat tolerance limits 3 4 samples within Exponential but not Flat limits 5 6 samples meet both Exponential and Flat limits NOTE only one limit type applies in practice valid sample measurement result since the current settling conditions are met 2015 NTi Audio AG MBe KOH FX Control User Manual 8 3 GlideSweep In GlideSweep mode the FX100 samples the incoming chirp and then calculates the measurement results The following preparations are required to execute a GlideSweep chirp measurement e Definition of test signal parameters generator settings these settings can not be amended during the sweep e Proper adjustment of the analyzer input range The key advantage of GlideSweep analysis is the short test cycle time which makes this method very attractive for high volume production applications Furthermore PureSound steepness analysis is an extremely powerful measure for detecting audible imperfections On the other hand GlideSweep measuring accuracy decreases with very short sweep durations NOTE The analyzer GlideSweep range must be adjusted properly prior to the signal transmission amp
59. simultaneously e FX AES must be installed together with a FX GEN and FX ANA board FX AES internal schematic Outbus 1 The internal wiring of the FXAES board can be edited in the Hardware amp s inbus Wiring view The digital audio generator is permanently linked to the XLR BNC TOSLINK connectors The digital audio analyzer can be linked alternatively to the e XLR input connector e BNC input connector e TOSLINK input connector Furthermore you can d Inbus 2 e click on the symbol of the digital audio analyzer and select the Outbus 2 required status or e amend the corresponding settings via the properties see below link the generator clock source to the BNC Sync Ref Input or the analyzer input e link the analyzer directly to the generator in order to analyze in generated signal e select the impedance of the analyzer or sync input connectors Hint The digital audio generator analyzer can not be connected to the internal audio bus of the FX100 Mota Audi Route to Output Monitor Route to XLR Route to BNC Route to Optical 2015 NTi Audio AG MBe FX AES properties Slot 4 AES 1 00000 Q 0 Domain aaa Generator AES Chis Analyzer AES Chi8 amp 2 e Settings Out Source Internal eee Input a Connector ALR Impedance 110 Ohm LL I Sy nc Input Impedance Hi Z a Ng NE gg gg OO 0 I EH FX Control User Manual The FX AES board
60. the button to amend the measurement function o Click on the x button to delete the corresponding curve o Click onthe gt button to amend the curve color Active o On gt measurement is active o Off gt measurement is inactive Unit gt Ohm Limit o Low gt optionally enter the lower tolerance limit for the DCR measurement o High gt optionally enter the upper tolerance limit for the DCR measurement Format the format in which the numerical results are displayed 172 FX Control User Manual Result display The DCR results can be displayed either as a numerical value or in a bargraph Meter DCR Ch2 CR Meter DCR Ch2 7 8115 Ohm 7 8125 Ohm Min 7 8112 Mac 7 8130 2015 NTi Audio AG MBe Measurements results calculations 173 8 4 11 Speaker impedance The speaker impedance measurement records the impedance response of the connected DUT Device Under Test NOTE This measurement function is only available if an SIP SIL or SIH board is installed Test setup amp execution With FX SIP With FX SIL or FX SIH 1 Select the operation mode DUAL 2 10 W or 1 Connect the generator output s to an external BRIDGE 1 30 W amplifier Connect the generator output s to the integrated 2 Connect the amplifier output s to the SIL SIH input s amplifier s 3 Connect the SIL SIH output s to the DUT s Connect the amplifier output s to the DUT s 4 Link the SIL SIH current sensor
61. the measuring microphone to the FX100 instrument DO Di Active Speaker 1 Mic 20101 g A R LU ka E D a Analog Generator Analog Analyzer FX 1 b Measure the frequency response of a golden sample i e a good working loudspeaker lideSweep Level Ch BE 100 200 300 500 s00ik 2k 3k 4k 5k6k 8k10k Hz Step 2 Customize amp use the tolerance curves for calculated Passed Failed c Inthe Worksheets ribbon click on the button New Calculation and Custom Curve d Change the name of the custom curve to Limit HI and enter the X Y values so that they represent the upper tolerance limit 2015 NTi Audio AG MBe Measurements results calculations 213 Custom Curve O Custom Curve Name Limit HI Values Edit Data e Add to current view OK Cancel e Edit the data i e the X Y values of the upper tolerance curve according to your demands Edit Data Hz dBv wol 3400 200 00 36 00 1000 00 36 00 10000 00 36 00 XX X XX 2000 00 36 Add f Repeat the same procedure for the lower tolerance curve Edit Data Hz dBv i wwo 42 00 monml a 10000 00 44 00 10000 00 g Optional you may drag amp drop the two curves Limit HI Limit LO from the toolbox to the panel with the Golden Sample measurement result in order to verify the definition of the two
62. the test is repeated steepness curves are within the limits gt the peak from the 1 cycle was caused by ambient noise e the DUT is OK Result display The Meter steepness results can be displayed either as a numerical value or in a bargraph Meter PureSound Ch1 Band2 E Xx Meter Puresound Ch2 Band4 8 1989 Pa s 17 768 Pa s Min 17 768 Max 20 367 2015 NTi Audio AG MBe 168 FX Control User Manual The GlideSweep PureSound results are displayed in a graph GlideSweep PureSound Chi U Band BA 1 lg 20 30 50 70 100 200 300 500700 ik Hz 2015 NTi Audio AG MBe Measurements results calculations 169 8 49 DCV FX100 supports three DC measurements The analyzer coupling must be set to DC 1 DCV gt the Voltage between o XLR pin 2 and pin 3 or o BNC center pin and shield 2 DCVCommonHigh gt the common mode Voltage between XLR pin 2 and pin 1 3 DCVCommonLow gt the common mode Voltage between XLR pin 3 and pin 1 Hint Since DCV and the AC measurements require different settings they must be executed sequentially Properties Properties y e Header gt editable name of the DCV measurement display Header e Sources gt measurement function Meter DCV Ch1 o Click onthe button to amend the measurement function Source 27 FX 1 Measurement Meter DCV Ch1 E o Click on the x button to delete the corresponding curve i o Click on the x button to amend the curve c
63. to initiate the repeated consecutive execution of the active measurement functions Example Meter amp StepSweep level StepSweep Level Ch2 Meter Level Ch2 80 200 300 500700 ik Zk 3k 4k5k Ak Hz 2015 NTi Audio AG MBe Measurements results calculations 137 Continuous Click on the z measurements Example StepSweep level 30 200 300 500700 ik 2k 3k 4k5k 8k Hz Hint Result display and calculations are described in the corresponding chapters 2015 NTi Audio AG MBe 138 FX Control User Manual 8 1 Meter In the Meter mode the FX100 analyzes the incoming signal and shows the single value measurement results numerically or in a bargraph e Both the analysis of internally or externally generated test signals is supported e The test signal parameters generator settings may be amended during the measurement e The analyzer ranging can be adjusted automatically or manually e The Meter mode is typically used for single value measurements e g frequency level THD or monitoring applications Measurements MaetorLewel Ch1 D N Meter Fraquency Ch 1 E N 1259 819 Hz 35 19 dBV ma Settling Frequency Level Input level Selective level FFT Gain THD THD N Harmonics Phase XTalk PureSound DCV DCV common high DCV common low DCR Speaker Impedance FX100 applies an automated settling procedure to ensure that the acquired measurement results are stable and
64. tolerance limits can not be highlighted in the result are highlighted individually in the FX Control result graph graph 2015 NTi Audio AG MBe 9 1 Device limits Tolerance limits 217 Device tolerance limits are defined via the properties of the corresponding measurement function and then stored amp applied by the FX100 device NOTE After amending the device limits you have to run a measurement to apply them A Absolute limits A1 Single value measurements 1 Place the numerical measurement display in the WorkArea and click on it Meter Frequency Ch2 x 999 9113 Hz 2 Inthe display properties enter the required values for the Limit High and Limit Low 3 Add a Passed Failed display and link it to the measurement A2 Sweep FFT measurements 1 Place the graphical measurement display in the WorkArea execute a measurement and click on the result display GlideSweep Level Ch1 2 Inthe properties of the measurement display click on the Edit Data button Consequently a new window opens with a graph that shows the last recorded measurement curve 263 7298 Hz 28 55 dBV Xo 300 500 700 1000 3 Define the individual upper amp lower tolerance limits either graphically or numerically see below 3a Graphical limit definition i Right click on the graph li select Add High Point or Add Low point iii click to the corresponding spot on the graph to add an u
65. upper tolerance limits for the measurement stop Jon Z Write Full Res Results to file Limits Edit Data o Active On gt Full resolution mode is active Write Full Res Results to file o Active Off gt Full resolution mode is disabled Result display The ETC results are displayed in a graph whereby the grey vertical line indicates the end point of the active time window GlideSweep ETC Chi 20 30m 20m 10m D 10m 70m 30m 40m 50m 60m 70m 80m J m 0 1 5 2015 NTi Audio AG MBe 8 4 15 AES input sample rate Measurements results calculations 179 The AES input sample rate is the clock frequency of the incoming AES digital Audio signal NOTE This measurement function is only available if the FX AES board is installed Properties Properties Header Meter AESInputsampleRate Source Limit High Hz Result display Header gt editable name of the AES input sample rate measurement display Source gt measurement function if it shall be amended click on the button Active o On gt measurement is active o Off gt measurement is inactive Unit o Hz gt Hertz must be selected for the Sample Rate Deviation o ppmr gt parts per million relative Limit s o Low gt optionally enter the lower tolerance limit of the frequency measurement o High gt optionally enter the upper tolerance limit of the frequency measurement Hint lt is possible to enter no limit
66. y SE Set Fs 7 h 9 Lou A 13 l 15 RER 19 T 21 23 25 27 Format Color Pen El Header gt editable name of the THD THDN measurement display Sources gt measurement function o Clear the l checkbox to hide the corresponding curve in the graph o Click on the button to amend the measurement function o Click on the pad button to delete the corresponding curve o Click on the gt button to amend the curve color Active o On gt measurement is active o Off measurement is inactive Unit the measurement unit in which the distortion result shall be expressed Hint The selected measurement unit applies for all measurements of the same type Set gt define the required harmonics group o tick the harmonics that have to be measured o Clear the checkboxes of those harmonics that should be ignored Click on the button to o Select All harmonics o Clear All checkboxes o sum up the Odd harmonics o sum up the Even harmonics Limit s o High Meter mode gt enter the upper tolerance limit for the harmonics measurement o Edit Data Sweep mode gt edit the upper tolerance limits for the frequency sweep Format the format in which the numerical frequency result is displayed Color gt selectable color of the corresponding curve Pen gt selectable line style of the corresponding curve Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored
67. 0 ik Hz 60 70 80 100 200 300 400 500 600700800 ik Hz 30k 40k 50k 60k 70k80k 2015 NTi Audio AG MBe Analyzer settings HighPass 10 Hz mom hm Gu VDS N EA Li 5 6 7 8 910 20 30 40 50 60 70 80 90100 200 300 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz dBV D I D 6 7 8910 20 30 40 50 60 70 80 90100 200 300 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz o b 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k Sk 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz 2015 NTi Audio AG MBe FX Control User Manual HighPass 300 Hz dBV y 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k Sk 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz dBV y 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz dBV EI n 6 7 8 910 20 30 40 50 60 70 80 100 200 300 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz 2015 NTi Audio AG MBe Analyzer settings LowPass 8 kHz dBV 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k 5k 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz dBV 6 7 8 910 20 30 40 50 60 7080 100 200 300 400 500 600700800 ik 2k 3k 4k Sk 6k 7k 8k 9k10k 20k 30k 40k 50k 60k 70k80k Hz dBV 6 7 8 910 20 30 40 50 60 7080 100 200 300
68. 0 x panel 300 000 m00 S 1000 000 50 0 c Right click on the graph and select Edit Data to open the Edit Profile 6000 000 100 0 x Data panel d Enter the numerical frequency amp attenuation of a profile point and click on the Add button click on the Convert button to toggle the attenuation between or dB e Amend the level or attenuation of a point by clicking on the corresponding input box f Delete a point by clicking on the corresponding H button g Click on the Normalize button to make sure that the level of the highest point s in the profile equals 100 h Click on the OK button to confirm the current profile amp close the panel Hint Please observe the aforementioned StepSweep amplitude profile definition 2015 NTi Audio AG MBe e FX Control User Manual c View profile Click on the Superposed View button to show the currently active amplitude profile numerically and graphically View Superposed Data f l xj Hz fo 100 4 00 70 00 95 100 00 70 00 a 300 00 70 00 1000 00 50 00 6000 00 100 00 96000 00 100 00 7 ep 300 0000 Hz 70 00000 DU lk 50 461020 50100 500 1k 2k Skifdk 30k 36k Hz 2015 NTi Audio AG MBe Generator settings MES 46 GlideSweep FX100 supports the generation of either logarithmic or linear chirps whereby a sine wave sweeps continuously over a frequency range NOTE Only PureSound anal
69. 00 0000 Ohm M ES Harmonics TI L z E PureSound g Phase SpeakerImpedance pe Channel GlideSweep Speakerlmpedance Ch2 m E Level He idesweep Speakerlmpedance Ch2 o E E El El 30 30 5070100 200 500 ik 2k 3k 5k 8k 4 Drag amp drop item to worksheet to add a new result display i e J 2030 5070100 200 500 ik 2k3k Sk 8k 15k 2015 NTi Audio AG MBe a FX Control User Manual 3 2 Project handling The term project is used for a file that contains all relevant information of a specific test setup i e e Hardware amp Wiring status e g hardware components routing e Worksheet panels and settings e g generator analyzer parameters active measurements tolerance limits calculation items regulators e Data logging status NOTE A project contains the exact hardware status information of the connected FX100 Device i e the installed boards and the wiring Therefore if an existing project is applied on a FX100 Device that has a different hardware status only a restricted number of project settings may become effective Click on the application button to save or load a project use the Windows Explorer to rename organize or delete your projects e New gt creates a new project all current items of the WorkArea are cleared Recent Projects e Open gt opens a previously saved FX project BE Alternative select the requested project directly from the First Recent Projects list e Sav
70. 00 dB on Spacing Logarithmic Start 200 0000 Hz 3 GlideSweep Level Ch Stop 10000 00 Hz PASSED 3 GlideSweep Level Ch AN Ts 300 400500600 800 ik 3k dk 5k ek 7k8k 10k Hz D 199 6 State3 test parameters amp results 2015 NTi Audio AG MBe LL Statel State E x E 92 GlideSweep Frequency x Spacing Logarithmic Start 200 0000 Hz 52 Level Chi z Channel 1 12 00 d i on 52 GlideSweep Level Ch FAILED 52 GlideSweep Level Ch Stop 10000 00 Hz 300 400 500600 800 ik 2k 3k 4k Sk 6k 7kSk 10k Hz 100 195 6 State2 test parameters amp results State State4 E x E 54 GlideSweep Frequency H E Spacing Logarithmic Start 200 0000 Hz Stop 10000 00 Hz 54 Level Chi F Channel 1 12 00 dew 54 GlideSweep Level Ch2 PASSED 54 GlideSweep Level Ch AN Ti 300 400 500600 800 ik 2k 3k Ak Sk 6k 7k8k 10k Hz d 199 6 State4 test parameters amp results 246 FX Control User Manual 10 3 3 c 3 way loudspeaker Verify the frequency response amp PureSound steepness of a three way active loudspeaker i e woofer midrange driver and tweeter gt The sequence comprises three states whereby e each state has its individual test parameters e g bandwidth test signal level tolerance limits etc e all measurements are acquired by a single microphone Schematic view of swtched 3 way loudspeaker test Wir
71. 000 4000 5000 6000 7000 8000 9000 20 30 4050 70 100 200 300 500700 ik 2k 3k 4k 5k6k 8k Hz 2015 NTi Audio AG MBe Sequences 251 10 3 5 e Octave band measurement Calculate the octave or 1 3 octave spectrum based on an FFT measurement similar to a RTA real time analyzer Preparations 1 Copy the folder FF T2RTA to your PC the package is available e onthe FLEXUS product CD e under http my nti audio com Double click on setup exe and install the software Open the FX Control project RTA measurement ei ings setti 4 In the Logging ribbon click on the button gt Full resolution data and copy the path to the default folder to the clipboard Hint the path below is just an example Full Resolution Results Logging Options D Default Folder S C Users po Documents VE Controll Full Res File Type Analog Peak Level Reference 1 4142 Vp og 5 In the worksheets toolbox click on the calculation item Full Octave and paste the path in the properties to the related formula ES Measurement KO Advanced EE Mic 2010 1 Mame Full Octave Active Speaker 1 kel Add Parameter nu Items xi P 2 Measurement Meter Frequency Ch1 F Full Octave Formula eT FrequencyResponse new Frequency E Q Third Odave Result Unit dB e The complete formula string shall read e g FrequencyResponse new FrequencyResponse Converter ConvertFrom null null System IO0O File Rea
72. 036 Hz see Generator AAA ZE akin GlideSweep Frequency F x GlideSweep Range E Ran topan E Channel 1 10 00 devp E Spacing Logarithmic SS Range j e lt Cem 30 5070100 200300 500 ik 2k 3k Auto Scale g GlideSweepRang 0 00000 Hz Channel 2 10 00 dBVp E Start g Coupling gegen Glide Sweep Level Ch1 Left a ie Stop 20000 j Coupling Bi ki e WI Right click on 3 20000 00 Channel 1 AC D E MicSensitivity to edit scalin ae RS E E Prag amp Top ech Bottom 80 00 g Channel2 E E Meter gen a a za Ee 100 200 500 ik 2k 3k 5k EH eSweep EH Advanced Channel 2 10 00 mv Pa gt F Passive Speaker 1 Filter 80 20 30 50 100 200 500 ik 2k3k S5k7k10k Line Graph EI free Select a Source Tree Measurement Functions El FX 1 al Ge E Measurement e a Meter Device Instrument Type Channel Adive StepSweep FX 1 StepSweep Xtalk 1 D E GlideSweep El Level FX 1 StepSweep Xtalk 2 C Channel FX 1 StepSweep SpeakerImpedance 1 THD FXi Step5weep Speakerlmpedance 2 El Harmonics PureSound Fx 1 GlideSweep Level 1 D pn TG TG NA a SpeakerImpedance Fx i GlideSweep Thd 1 D ae Fx 1 GlideSweep Thd 2 IT D Fa 1 GlideSweep Sumharmonicl 1 FX 1 GlideSweep Sumharmonic2 1 O FX 1 Glidesweep Sumharmonic3 1 C Sequence 2015 NTi Audio AG MBe 3 13 Properties All items and panels in the Toolbox the Hardware view or a Worksheet have individual pr
73. 05060 100 200 300 500700 ik 2k 3k 4k 5k6k 8k10k 20k Hz 2015 NTi Audio AG MBe 256 FX Control User Manual 11 Advanced The advanced section provides access to the 11 1 Internal routing of the FX100 Properties of the installed options Language of FX Control menu entries Distortion calculation method Ambient temperature Headphone connector status Routing The routing defines the internal links of FX100 Hint Generator Ye Channel 1 J XIRBNCE Channel 2 Po utbus zl Channel 3 Channel 4 DC Measurement zl Analyzer Channeltf ar Channel 2 Po utbus zl Chamnel3 nc Channela Imbus _ ______7 Out Bus A a a Channel 1 None 0 None e Channel 2 None 0 None e Channel 3 None 0 None e Channel 4 None 0 None e ad In Bus SE Channel 1 None 0 None Channel 2 SpkIimpLow 1 5pOutA e Channel 3 None 0 None Channel 4 None 0 None O I Please refer also to chapters System operation Wiring ribbon and Hardware amp Wiring e Generator output channels to o XLR BNC connector o Outbus o DC Measurement refer to DCV DCR e Analyzer input channels to o XLR connector o BNC connector o Inbus o Outbus e Out Bus to o none o an installed plug in board e g FX OS output switcher e In Bus to o none o an installed plug in board e g FX SIL FX SIH or EX S 2015 NTi Audio AG MBe Advanced 257 11 2 Option The secti
74. 1 StepSweep SpeakerImpedance FX1 StepSweep SpeakerImpedance 494997008 GlideSweep Level gt A AA FX 1 GlideSweep Thd FX 1 GlideSweep Thd FX 1 GlideSweep Sumharmonic1 FX 1 GlideSweep Sumharmonic2 OILS OILS O FX 1 GlideSweep Sumharmonic3 Sequence 5 Tolerance limits Every measurement result can be checked individually against customized acceptance limits which are defined either e manually or e ina semi automated procedure please refer to the corresponding chapters 6 Data logging e Activate the automated logging of the acquired result data e g by pressing on the button z in the quick access toolbar e Customize the logging settings via the button Settings in the Logging ribbon 2015 NTi Audio AG MBe Application hints 269 12 3 X Y axis scaling The scaling of a result graph i e linear or logarithmic X Y axis may have a major impact on a linear interpolation b tolerance limits It is therefore essential to make sure that the X Y axis scaling are adjusted properly prior to the application of these features Example The following picture shows four result graphs of a 4 point sweep measurement whereby each graph has a different scaling LinLin d dk 6k Dk ik 12k 14k 16k 19k 2k 3k 4k Sk 6k 7k8k 10k Hz Hz LinLininterpolation at 10k CR LogLinInterpolation at 10k E 3 2000 V 3 5702 V LinLog ik2k 4k 6k amp k 10k 12k 14k 16k 19k 3k 4k Sk 6k7k8k 10k Hz Hz LinLo
75. 11 29 3 16 31 08 2011 09 02 10 False dBV 28 85293 25 23369 33 12839 43 33606 36 11256 45 76366 41 53176 42 44991 47 68998 56 51697 47 31526 41 24718 37 43142 35 1 17 31 08 2011 09 02 12 False dBV 30 5319 25 49617 30 68633 39 92889 34 85528 42 57244 39 30017 39 96477 43 16287 49 75663 46 5234 42 48111 37 02929 33 6 18 31 08 2011 09 02 14 True dBV 29 75071 26 00326 29 4027 37 04592 34 83775 40 86817 38 20102 39 1599 40 81647 47 17939 45 91252 42 32384 36 91364 33 3 19 31 08 2011 09 02 16 False dBV 28 37752 26 53285 28 38355 35 92878 35 04484 39 98827 37 72191 38 79346 40 60194 46 16201 45 33184 42 13924 36 31488 32 6 20 21 NOTE Please refer also to chapters Full resolution data States and Template for build report for an alternative data logging method 2015 NTi Audio AG MBe EU FX Control User Manual 8 6 6 Full resolution results FX100 allows to store full resolution data on the controller PC i e all samples that were acquired during the measurement process The Full Resolution upload capabilities are supported in the Meter or GlideSweep mode single or repeat measurements and following functions e Meter mode e GlideSweep mode o Frequency domain i e FFT spectrum o Impulse response o Time domain i e FFT scope recording o Energy Time Curve Depending on the measurement function the full resolution data can thereby be saved in four different file formats i CSV comm
76. 15 NTi Audio AG MBe Measurements results calculations NES 8 7 Calculations The calculations feature is a powerful tool for processing acquired data in various ways and creating new customized analyses A calculation typically comprises different elements such as single or combined measurement results mathematical formulas unit conversions etc Examples Overall Passed Failed Calculated power Aging process recording GlideSweep Level Ch1 E 2009 06 30 TS E 2010 06 30 ad WP 2011 06 30 2030 50 100 200 500 ik 2k3k 5k 10k 20k d 3 An J 20 30 J Ap 3 50 R en 70 10 80 2030 50 100 200 500 ik 2k3k 5k 10k 20k 90 Hz 2030 50 100 200 500 ik 2k3k Sk 10k 20k Overlayed aging recordings Overall Passed 1 ailed S 2 E FAILED F ji ji i 90 20 30 50 100 200 500 ik 2k3k 5k 10k 20k 0 20 30 50 100 200 500 ik 2k3k 5k 10k 20k Hz Hz How to create a calculation 1 Establish the test setup and reproduce it in the Hardware amp Wiring view 2 Activate amp record the required measurements and tolerance limits 3 Add the required standard or generic calculation items 4 Define the calculation with these calculation items and the required mathematical operators 5 If required define amp apply individual tolerance limits for the calculation item NOTE Before a calculation can be established the required calculation items have to be defined 2015 NTi Audio AG MBe 196 FX Control Use
77. 19 06 09 19 05 Results HardwareService HardwareService Results Winng Start Single Measurement on FX 1 Connected to FX 1 Failed to open Hardware FX 1 Usb connection not available for 11000 Initializing Results Module Initializing Wiring Module The trace in the lower section of the FX Control window shows e the full communication between the controller PC and the FX100 Device e Warnings and error messages Software 2015 NTi Audio AG MBe Generator settings 4 Generator settings FX100 can be used to generate Meter StepSweep or GlideSweep test signals To get access to the editable properties of the available output channels e drag amp drop the required generator panel s to the WorkArea or e use the generator properties Numerical values e g level frequency Click on an input box and adjust the value as follows e Exact value enter the required value directly via the keyboard e g 0 514 or 8k etc e Stepwise use the up down arrow keys or the scroll wheel of your mouse Measurement Units e g Vp dBu dBV There are two ways to select the level unit of measurement a Click on the z button and select the required unit b Enter the unit directly together with the level e g 320mV or 12 5 dBV etc Connector status e g Mute On Off waveform Activate or select the required state by clicking on the related e On Off button e g output channel 1 E button e g channel
78. 415393 7 Date Time Passed Attribute Hz 10000 8381 061 7024 218 5887 04 4933 964 4135 186 3465 724 2904 645 2434 4 2040 286 1709 976 1433 141 1201 124 104 8 31 08 2011 09 01 56 True dBV 24 2531 27 01291 26 85214 34 10651 36 24038 37 75914 36 35818 37 34245 38 17021 42 84995 43 50687 41 09671 36 17632 31 5 9 31 08 2011 09 01 57 True dBV 23 92147 27 11607 26 8135 33 54108 36 27518 37 48169 36 31651 37 25029 38 10445 42 56673 43 70897 41 16999 36 17455 31 5 10 31 08 2011 09 01 59 True dBV 23 88887 26 98136 26 82803 33 45423 36 33029 37 36399 36 43692 37 31589 38 19287 42 29685 43 91365 41 19406 36 31249 31 7 11 31 08 2011 09 02 00 True dBV 23 9635 26 93162 26 79131 33 47871 36 3103 37 58455 36 56578 37 39653 37 95702 42 51839 43 85368 41 19267 36 1671 31 6 12 31 08 2011 09 02 02 True dBV 24 64882 26 61016 27 0535 33 64802 36 14341 37 94062 36 77507 37 67168 38 38971 43 02881 43 97227 41 43904 36 36524 31 7 13 31 08 2011 09 02 04 True dBV 26 78595 26 2291 27 50834 34 22744 35 64126 39 0766 37 25229 38 2247 39 66695 44 92006 45 33693 41 91328 36 63902 32 4 14 31 08 2011 09 02 06 True dBV 22 36574 24 00693 25 42662 31 27766 35 9626 35 12169 34 6481 35 1968 35 1674 38 25442 39 78781 38 22513 34 94098 30 0 15 31 08 2011 09 02 08 True dBV 21 27982 22 0968 25 08478 30 21097 34 75005 34 14268 33 92131 34 35487 34 33475 36 80542 38 13725 36 83085 34 227
79. 442B7E389FD1208D26782089675F3B0E7EA10ACEE2E383242D4083A5E34492E50 Addl 2015 NTi Audio AG MBe 3 10 Toolbox The toolbox which is located on the left side of FX Control contains either e the available hardware elements for the wiring or e the tree with all control 4 results panels The toolbox allows to switching between the two views Hardware amp Wiring Worksheet Toolbox Hardware Wiring The Hardware amp Wiring toolbox shows e all FX100 Dewces that are connected to the controller PC A Scanned Hardware Fed use Fx SN 10408 e additional items that may be part of the test setup e g speaker microphone etc a Other Hardware Types el Passive Speaker DI active speaker To specify the wiring drag amp drop the required items to the Hardware amp Wiring view and amp Mic 2010 connect them Ne Mic 2015 a Generic Mic FA400 Amplifier O Generic Amplifier pri 100v O Generic 1 0 External Source Fa Ex Simulator Toolbox Worksheets The Worksheets toolbox contains E Hardware e the full range of available generator analyzer measurement and advanced elements 3 pri e the active Calculation items a E Generator a ES Level E Channeli EJ Channel2 To set up a test drag amp drop the required control panel or result display to a WorkArea oi Outstate and adjust the corresponding settings The icon for a HH Moter ee tae z E StepSwe
80. 57 00 24 90 dBVp e 57 78 24 11 dBu e 54 77 27312 dBup o Channel 1 2 000 dBW on w NOTE Discrepancies between the entered level and the displayed value are due to rounding effects In case of a PinkNoise or White Noise output signal please obey the corresponding Crest factors Channel On Off Click the ON OFF button to activate or deactivate i e mute the corresponding output channel The default state of generator output channels is OFF W weighting active If a sweep weighting is active for an output channel the character W appears in the generator level panel 2015 NTi Audio AG MBe e FX Control User Manual 4 3 Outstate The generator XLR BNC output connectors are permanently linked together e Pin 2 of the XLR is connected to the center pin of the BNC e Pin 3 of the XLR is linked to the BNC shield Balanced Standard operating mode for typical Audio circuits H XLR pin 2 or 3 are shorted to GND the FX100 generator will be switched off automatically Unbalanced The FX100 generator must be switched to unbalanced mode if XLR pin 3 or BNC shield is shorted to GND The maximum FX100 output voltage in unbalanced mode is 15 9 dBV NOTE The generator output is switched OFF automatically if XLR pin 2 or BNC pin 1 are shorted to GND 4 4 Meter The following generator settings can be adjusted in the Meter mode e Output Activation gt defines when the test signal is generated ee O An
81. 77 level 147 Meter 49 138 overview 49 phase 160 PureSound 165 repeat 57 repeated 185 setup 49 286 FX Control User Manual Measurement single 57 184 speaker impedance 173 speed 273 start 5 7 82 steepness 165 StepSweep 49 141 stop 57 THD THD N 156 XTalk 163 Messages 61 Meter analyzer 111 analyzer range 102 generator 82 measurements 138 Microphone 59 sensitivity 104 Min 203 Mono 82 Mouse 2 Mute 81 N New project 54 New worksheet 61 Noise cancellation 165 measurement 112 Normalized curve display 222 NTi Audio homepage 65 support 281 NTSC 122 Numerical result display 61 186 O Octave band 251 Optical connector 29 Options 12 257 Outbus analyzer 27 generator 25 Output state 82 switcher 42 Overall passed failed 61 P PAL 122 Parity bit 120 Passed Failed 61 calculation item 61 example 205 result display 192 Paste items 5 7 result data 18 7 tolerance limits 216 PC hardware requirements 8 PC software communication 77 installation 8 layout 49 operation 49 overvew 47 startup 954 trace 77 updtae 65 Phantom power 104 analyzer 27 input switcher 44 Phase 160 Pink noise 82 PLC 21 182 228 235 Plug in boards 12 257 Points PureSound 165 Post processing 18 7 Previous result 61 Print 58 Printout 54 Program 235 Project handling 54 Prompt 235 Properties 49 75 112 analyzer 101 crosstalk measurement 163 DCR measurement 1 0 DCV measurement 169 FFT meas
82. Channel 2 3 330 dBVp Comes 000 3 i i j foll ae 10 00 dave Click on an input box and adjust the value as follows Numerical values e g input range mic sensitivity start stop frequencies e Exact value enter the required value directly via the keyboard e g 0 514 or 8k etc e Stepwise use the up down arrow keys or the scroll wheel of your mouse Channel i Measurement Units e g Vp dBu dBV There are two ways to select the level measurement unit Mic Sensitivi EES 33 00 mv pa yl 1 Click on the El button and select the required unit Channel 2 10 00 mv Pa RB a 2 Enter the unit directly together with the level e g 320mV or 12 5 Reference dir dBVp etc Channel 1 19 00 GV Channel 2 0 000 dEV Reference E States e g coupling bias filter Click on the z button and select the required state 2015 NTi Audio AG MBe 102 FX Control User Manual Domain Hint The property Domain is only available if the FX AES board is installed If the analyzer is switched to digital domain the domain specific properties will be displayed in blue color The FX100 analyzer can be switched to analog or digital domain via the properties in the e Hardware amp Wiring or e Worksheets view NOTE The analyzer reference dBr and the tolerance limits are handled independently in the analog digital domain If you amend e g the digital reference level the previously adj
83. DE 77 Generator settings 79 DOMAIN asas a a aa BE Aa a aan ajana Sa a DG a a ajang es 81 E VGl Pasangan ag aaa aa a ap a an Ba EE 81 OUSIA te suicidas 82 MOTE arre tadas 82 AA A A O 83 2015 NTi Audio AG MBe Contents B Glide SWCD BEE 93 T Te Lu O sae 99 Part V Analyzer settings 101 Mi DOMIN sea 102 2 e LE EE e E DEE 102 2 GUIAS Wecn tandil aci 103 A SC OUI ING EE 103 9 BIAS o 104 G MicCropnone SensitIVIWV a a a 104 T Rere Ce EEN 105 o Reference EELER 105 Y IMC ear aaa 106 10 SINCRFONIZA MON cia E A 111 det MOE Ad 111 12 OIC DOWEEC DE 112 WO ICE WW EE 114 Part VI Digital 119 E GE 119 A2 ue SE 119 IT status EE 120 Ghannelstatus eeh hee 121 SYNC PMID UIE eg EE 122 Part VII Regulators equalization 124 1 Generator LO ME 125 2 Gide Sweep nt TEE 129 9 Generator cgualhzati DEE 130 4 SCNSIUVITY Gah bra ON iii aci 134 Part Vill Measurements results calculations 136 C OME ected baane an Nda GK Na Naja a tice eae cate ns ve ea eure eet Na eater Da wang anda GK AAN ken a 138 2 gt SIE DOWECD sires oss cea eS a AN a a aa SANE Sa OG i kl ea ee den lies Bee a ecu BAANG 141 3 GUACO WO E a a E E 144 4 NEEN 145 ge UTC Le SE 146 Level mMp tlevel s lective EVO iii A a dad aa aa aaa a E EE 147 FEET CC O a e a 150 E SE 154 TAD STING DAFO a AA AAA 156 Phase Me ao 160 ATalik Interchannel basis 163 PUPESOUNG Tabrakan kaa ai d iia 165 DEV CCC Ai A AAA AA aai 169 DGR pent ache Gaga aa A A
84. E EN a 0 bi UNBAL CH2 naloc Input Switche A TE EX 100 1 64 FRAO 2 154 L O fen d L T T JAPAN o ei lt 2 a el Speaker CHB E to Speaker FX GEN FX SIL Analog generator Analog analyzer SIL Output switcher Input switcher Controller Standard configuration e Controller board e 2 channel analog DAC e 2 channel analog ADC Optional plug in boards e additional 2 channel analog generator analyzer gt 4 chn in total e 4 channel 1 in 4 or 2 in 2 e 4 channel 4 in 1 or 2 in 2 e 2 channel speaker impedance max 2 A measuring board e 2 channel speaker impedance max 10 A measuring board e Speaker impedance power board with built in and current sensor e Low pass filter board for amplifier testing digital audio interface board 2015 NTi Audio AG MBe KH FX Control User Manual FX100 audio boards amp buses mm mmm em gn pm pn wm Outbus 1 Inbus 1 a E zm zm mm zb when wn zm mm mm mg MK Nah mm mm mm mm mm mm mm mm a ML zm mm mm mm mm Ip ML mm mm mm mm mm hahah E sl wm mm mm mm mm mm a Ee 2 See E rm rm mm mm mm mm mm mm mm mm mm mm mm mm mm mm rs E mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm E mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm D D D D D D D k inbus 2 EE Outbus 2 FX GEN analog generator Output channels 1 2 can be linked individually to th
85. El aik ik OS dk kin de he ang Se ered te MHz Al Zz H e Phase e XTalk E DIR e Speaker Impedance a MI EL OL ou SL IK SA A ik HE Settling FX100 applies an automated settling procedure to ensure that the acquired measurement results are stable and relevant Some static and dynamic parameters of this procedure can be edited manually if required NOTE Be very careful if you edit the settling parameters Inappropriate settings can prolong test cycle time or even inhibit the acquisition of valid measurement results 2015 NTi Audio AG MBe KEH FX Control User Manual Dynamic Mode Active Ch Algorithm Tolerance Sample Floor Noise seleawe Ser Fl eg D et e 2 9 noma rial cria E ze a A E a 05 ema area Fares f af ad A ees 1 3 ema 11 2 Exponential je 6 000000 f og er Lanz dev Pose 200 000 e 1 3 normal El 10 2 Exponantial je 2000d8 zl 3 120 0c8w 100 0 dv 30 00000 4 200 000 4 af 3 oF r im 2 aes 1 000 dE 3 120 0 dEV 120 0 dev 30 00000 Hz 200 0000 Hz StepSweep settling properties StepSweep settling properties please refer also to the Example below Active gt overall activation of the settling for all measurement functions Timeout s gt maximum allowed settling duration if the timeout expires without successful settling no valid measurement result Delay ms idle time before the settling process starts Cycle not editable
86. FFT wa analyzer channels 1 amp 2 Use the properties section of the result graph to parametrize the FFT analysis Measures amp displays all six PureSound bands in parallel as bargraphs NOTE This project requires a valid PureSound license on your FX100 GlideSweep projetcs Demo project Description hints Application example file name 2 chn frequency response 2 chn Level THD Phase Executes a 1 sec GlideSweep and acquires the active measurements on channels 1 amp 2 Calculations projects 27653 kHz 26 987 kHz jm 12 812 dBV 18 234 dEV pama 79 973 dB 66 182 dB pes 29 896 Pa s 65 224 Pa s E mu 36 126 Pa s 42 375 Pa s Demo project Description hints Application examples file name 2015 NTi Audio AG MBe Application hints NON Boolean Measures the Meter calculation level of Ch1 Ch2 and checks the results against individual limits Verifies whether both measurements are within the limits and shows the overall result in a separate PASSED FAILED display Curve Measures the subtraction GlideSweep frequency reponse of Ch1 Ch2 Calculates amp displays the difference of the two recorded curves Relative to The instrument frequency executes a 1 channel GlideSweep level measurement In a second graph the recorded curve is displayed relatively to its level at 1 KHz i e level 1 kHz 0 dB
87. L mode Inbus 1 e Amplifier In A B to o Outbus 1 2 respectively E wm a wm am 3 INA 4 A DUAL mode o None i e no connection e Shunt A B to o Inbus 1 or 2 o None i e no connection e Banana output connectors to o Inbus 1 2 gt measure the DCR of the DUT or equalize the actual driving voltage o None e no connection b BRIDGE mode e Amplifier In to o Outbus 1 o None i e no connection e Shunt A to o Inbus 1 or 2 Inbus 2 Outbus 2 Outbus 1 AA Ka a Inbus 1 IN1 4 Le BRIDGE mode o None i e no connection a ve bind e Speakon OUT to Inbus 1 2 gt measure the DCR of the DUT or equalize the Gees actual driving voltage Outbus 2 FX SIP properties f e Slot number SpeakerlmpedancePower number PCB serial number PCB Slot 4 Speakerimpedancepower 1 00005 A 0 123456 x g version PCB index Mode Dual Source Mode Channel zl Ampi er gt o Dual 2 chn operation 2 10 W into 2 Q 4Q Channel 8 DCR250ERange i p o Bridge 1 chn operation 1 30 W into 2 O 4 2 e Source of Channel A B o Amplifier o DCR250ERange internal current source of the SIP is active is used to measure the DC impedance of the connected DUT in the range from 0 to 250 Q 2015 NTi Audio AG MBe Hardware so A DUAL mode application examples Hint In case of a 2 speaker setup you have to execute the tests either by using the sequence mode or a
88. Meter measurement E IT O Output 1 Pass Fail 52 GlideSweep O E EI Output 2 Pass Fail Print Barcode Label S Read BC Printer Status Print Report Sheet EI EI ka ke GP ke ke E E ke e Add Edit Up Down Delete Sequence dialog box 2015 NTi Audio AG MBe 244 FX Control User Manual 10 3 2 b 4 identical DUTs Test four DUTs Devices Under Test with the same test parameters in a row and verify their individual frequency response gt The sequence comprises four states whereby e the test parameters e g bandwidth test signal level are not amended but e each state activates another channel of the output amp input switcher Schematic view of swtched 4 DUT test op GETT P0101 Mic 2010 2 a Mic 30103 a Mic 2010 4 Aida Aralar SIER nin n in Generic amplifier gga Parera Soesls Wiring and internal links of State2 2015 NTi Audio AG MBe Sequences 245 States _ Statei State States States 1 Level Ch1 E x 41 GlideSweep Frequency EM x Channel 1 12 00 dBv on Spacing Logarithmic D Start 200 0000 Hz 1 GlideSweep Level Ch PASSED 51 Glidesweep Level Ch2 Stop 10000 00 Hz 300 400 500600 800 ik 2k 3k Ak 5k 6k7k8k 10k Hz D 199 6 State1 test parameters amp results Z Statet Stated States States 3 Level Ch1 x 95 GlideSweep Frequency E M Channel 1 12
89. NT OOOOOOOOoooooooo USER MANUAL all AUDIO FX Control User Manual PC Software for FX100 Audio Analyzer va Passed cTRLLOC 41 507 FLEXUS FX100 AUDIO ANALYZER ON OFF Doc version 2 8 2 e Refers to SW v2 8 2 Y am NTi Audio AG is an 1509000 2008 E J certified company www nti audio com o O O O O O O O O O O O O O O 0 0 July 15 MBe 2 FX Control User Manual Table of Contents Part Part Il O AN Oo P WN sch ech seh Oo Na O 14 Part Ill O O N Oo P WN hD sch Oo Na O 14 Part IV a fF Y N 0 Introduction 6 Sale y INSIFUGUONS E 7 HW SW Stall ati ON EE 8 LICENSE agree ING INE E 9 Hardware 12 M E el ENCON EE 16 FIC AG PMONG JACK EE 20 Bn DONS EE 20 SE DOL Laa aaa ew Ee ees 20 ANI ae VO Mle Ha CO aaa aaa ated aa aaa aa Baka i n 21 FAGEN DO al WEE 25 FXANA DOS ME 27 EN A DOANG EE 29 AS LODHONG aa aaa aaa aa a a bt rl aa er rer 31 A O EARE 35 EXSIP OPIO o dak a octal 38 FX DF e DEE 41 FXOS Cbg ira an aan Gah aa DI a Da a aan Bak la 42 FXASIO PI ON elo a o o 44 Software 47 VS M LOPETA e Nicanor 49 Project MAN GUING rasa dlls 54 AA ro ee dee Ee aii 56 A an 57 MEW NDDONM srie EE ee 58 IVITINO TI BEE 59 WV ONKSMNEOCES ID DOM candado 61 JOGGING FID ON DEE 64 REID deen EE 65 TOOIDOX ii A A 69 Hardware Si WIPINO ai aaa aaa aa ENG aa gana ici a aa apaa nan a 70 NEE 73 EOC SS neta NGA aa cere eae aes vate ee dee oes ae eee Ka uence a ka ak cada 75 Re
90. OutState StepSweep signal source frequency spacing etc 2015 NTi Audio AG MBe a FX Control User Manual Meter StepSweep GlideSweep Domain Analog Domain Analog Domain Analog Level bevel bevel Chanmel 1 E dBW Channel 1 20 00 GV ed i 20 00 dB Channel 2 0 000 dEV Channel 2 0 000 dBv ol Channel 2 0 000 dEV oF OutState Channel 1 Eslanced Channel 2 Unbalanced Bandwidth 20kHz Frequemcy 00 Spacing Logarithmic Start 20 00000 Hz 20000 00 Hz Frequency TT i Logarithmic 20000 00 Hz 20 00000 Hz 2015 NTi Audio AG MBe Generator settings KH 4 1 Domain Hint The property Domain is only available if the FX AES board is installed If the generator is switched to digital domain the domain specific properties will be displayed in blue color The FX100 generator can be switched to analog or digital domain via the properties in the e Hardware amp Wiring or e Worksheets view NOTE The generator level and the tolerance limits are handled independently in the analog digital domain If you amend e g the digital output level the previously adjusted analog level will not be changed 4 2 Level The generator level can be adjusted individually on each output channel Level amp Measurement Unit The supported level ranges are e 0 001 12 430 V 0 0014 17 58 Vp Channel 2 14142Vp OFF e 60 00 21 89 dBV e
91. Output and optionally edit the Step Name Optionally edit the path and the name of the target file Click on Add to select the data that shall be written to the target file Consequently the Edit Parameter window opens wherein you have to o enter a string for the Header i e label of the saved contents o click on the button and select the Content s that shall be saved in the target file 2015 NTi Audio AG MBe Sequences 230 4 Click on OR to confirm your definitions Data Output _ EI Step Name DataOutput 1 File Name C UsersimbelDocuments FX ControlDataQutput csv Serial No Input 1 FFT data S6 FX 1 Stateslist State 1 Measurement Meter FFT 2 Edit Parameter Ka EI Header serial Na Content Input 1 Data Output during a sequence A B C D E F G H l 1 Serial No FFTdata Hz 5 509562235 51930737 52923854 5 3936028 As soon as the sequence is at the 2 123 ED 31 611679 31 611679 31 611679 31 611679 31 611679 corresponding point the software 3 124 dBV 31 398476 31 398476 31 398476 31 398476 31 398476 writes the selected data i e header 4 125 dBv 34 099255 34 099255 34 099255 34 099255 34 099255 and measured results to the target file Build Report Exports selected data to a document x e g MS Word template that has been a aa a El defined by the user before Step Name BuildReport 1 1 Select the menu Build Report and Tem
92. The FX DF can be linked internally as follows e Banana or Speakon input CH A wa the low pass filter to Inbus 1 e Banana or Speakon input CH B wa the low pass filter to Inbus 2 al 5 55 AMP He Inbus 2 Route To Channel 2 Route To Inbus 2 Route To None FX DF Frequency Response Attenuation dB 10 10 10 10 Frequency Hz 2015 NTi Audio AG MBe e FX Control User Manual Application example ect D Ages Amplifier Controller Analog Analyzer Input Switcher Wiring example D class amplifier and load connected to FX DF board 2 13 FX OS option The FX OS output switcher plug in board is used to add 4 additional output connectors to the FX100 generator channels e The link between the FX100 generator and an FX OS connector is established via the Outbus 1 2 e Either or both generator output channels 1 2 can be linked to any available FX OS output connector e The current generator coupling is applied via the Outbus on the active FX OS connector e Up to three FX OS boards can be installed in the FX100 max 12 switched output channels FX OS internal schematic Outbus 1 Right click on any XLR output connector to e link it to Outbus 1 2 or any generator channel or e switch it to idle mode o E gt w tput Switcher Hint Only one of either Outbus 1 or 2 can be linked to one output connector at a time Route To Ou
93. X100 analyzer in GlideSweep mode then the instrument automatically starts the measurement as soon as it detects a header Triggering methods i Manually start the active measurements or sequence All Single gt starts a single execution of the active Meter StepSweep and GlideSweep measurements of all connected FX100 Devices All Repeat starts repeated execution of the active Meter StepSweep and GlideSweep measurements of all connected FX100 instruments Single the instrument executes a single measurement of all active panels in the Worksheets Repeat the instrument starts repeated measurements of all active panels in the Worksheets sa Abort or Fg Abort the running measurement li Initiate the active measurements via the auxiliary I O e Click on the dialog box launcher in the Start ribbon Step Sweep 2015 NTi Audio AG MBe Measurements results calculations a83 e In the Sequence Dialog box o tick the checkbox Aus Trigger Bit o select the auxiliary input pin that shall be used to trigger the measurement o select the trigger signal Type positive or negative edge Sequence Dialog El Sequence Start ka Aux Trigger Bit 8 7 6 5 4 3 2 1 Type PositiveEdge OOOOOODE Current State Hint This setting allows to initiate a measurement or a sequence by an externally generated trigger signal You may however also add more input trigger steps to a sequence iii A
94. X100 analyzer triggers to and analyzes the internally generated Sample Rate Adjust On e GlideSweep Keen bas o External gt the FX100 analyzer triggers to and analyzes an externally generated SE GlideSweep Points Highest Harmonic D External Sweep PureSound Purest e Sense Channel gt if the synchronization is set to External you can select an active input channel that shall trigger to the incoming GlideSweep signal Analysis Range Points Max Runs NOTE Make sure the sense channel is active i e routed correctly in the aaa Hardware amp Wiring view Position 01005 D F ete MIM e Sample Rate Adjust gt the FX100 analyzer synchronizes to the sample rate of the SCC adjust incoming GlideSweep e Timeout gt time period max 120 sec after which the data acquisition is automatically aborted if no external GlideSweep signal is received e Bandwidth gt the analyzer bandwidth has an impact on the max GlideSweep duration o 20kHz gt max 40 seconds GlideSweep duration o 80kHz gt max 10 seconds GlideSweep duration e Points gt resolution of the GlideSweep analysis max 500 points e Highest harmonic gt read only indicator for the highest measurable harmonic depends mainly on the GlideSweep start stop frequency PureSound e Analysis Range gt PureSound filter bank refer to measurement function PureSound e Points gt resolution of the steepness analysis max 500 points e Max Runs gt the
95. X100 input range i e sensitivity for Generator Leve accurate GlideSweep measurements GlideSweep Range e Generator Equalization calibrates the FX100 output signal so that it compensates for the characteristics of the downstream device s Generator Equalization e Sensitivity Calibration measures the sensitivity of a connected microphone with sensitivity Calibration F the aid of a microphone calibrator 2015 NTi Audio AG MBe o FX Control User Manual 3 8 Logging ribbon This tab is used to enable data logging and adjust the log settings Start View Wiring Worksheets Logging eR L Enable Settings Logging _ a ss Activate the data logging this button is also located in the Quick access toolbar by default Adjust the logging parameters Logging Options 2 i Default Folder root directory where the log Paul Felder eee l files are stored File Type E ii File Type log file format e g Renewal Conditions week d e CSV comma separated values Text tabbed text e XLSX open office XML Renewal Conditions Never all acquired results are saved to the same log file Weekly a new log file is created at the beginning of a new week Daily a new log file is created every day At Each Measurement the results of every measurement are saved in an individual log file Adjust the parameters of the Full Resolution Full Resolution Results Logging Options l logging mode Default Folder C
96. a button in the ribbon or drag amp drop an item from the toolbox to the wiring view to add the corresponding external device e Optionally edit the properties of the external devices e Draw the cable connections and activate the internal links e Adjust the states of the generator analyzer connectors Fx StartupProject FC Control 2 2 1 Get i Start View Worksheets Logging Help A D Das a o Scan Passive Active Mic Mic Generic FA400 Geheric Speaker Speaker 2010 2015 Mic Amplifier Amplifier Properties Mame Mic 2010 1 Sensitivity 35 mV Pa Edit properties of external devices SS Mic 2010 Mic 2015 Draw connections according to the existing cables Analog Analyzer O Generic 1 0 E z 6 External Source Prd Fx Simulator Left click to edit the generator analyzer status 2015 NTi Audio AG MBe 52 FX Control User Manual Step 2 Adjust the test parameters e Drag amp drop the required generator analyzer panels from the toolbox to the WorkArea e Adjust the generator analyzer properties in the corresponding panel or in the properties section Fx StartupProject FX Control 2 2 1 Start View Wiring Logging Help a B d 53 s mm Lei aB Q J Calculated Passed Failed Linear Interpolation een Pu Ke Overall Passed Failed 3 Smoothing ech GlideSweep Range Front Numeric BarGraph Line Line Graph Passed Text New E Panel Display Display Graph Collector Failed Displa
97. a separated values ll Text tabbed text iii Matlab MAT file including variables iv WAV integer 24 bit resolution or floating point 32 bit resolution Procedure a Adjust the Full Resolution Result Logging Options e Select the Default Folder e File Type o CSV gt character separated values o Text gt tabbed text file o Matlab gt MAT file for direct import into the MATLAB software o Int24bit WAV gt integer WAV file 24 bit resolution o Float WAV gt float WAV file 32 bit resolution e Adjust the Analog Peak Level Reference only required for WAV files gt The maximum allowed input level Le if the incoming signal shows a higher level clipping occurs in the WAV file Full Resolution Results Logging Options Default Folder File Type Analog Peak Level Reference b Activate the measurement s of interest i e drag amp drop them to the Worksheet e FFT in Domain Time or Frequency e GlideSweep Impulse response or ETC c Activate the Write Full Res Results to File in the properties of the corresponding measurement d Initiate the measurement s the system will consequently 1 sample the data 2 calculate amp display the acquired results 3 transfer the full resolution data to the target file NOTE Full Resolution results are not available for continuous measurements Hint The data transfer of a full resolution data file to the controller PC may take a couple of seconds 20
98. al link of the FX GEN board see above i e o XLR BNC or o Outbus or o DCmeasurement the generator gets disconnected whereas the built in DC current source of the analyzer is activated e Out Bus gt internal link of the Outbus whereby Module No Chn stands for o Module gt the plug in module to which the Outbus is linked o No gt number of the plug in module e g 2 the 2nd of two installed FX OS o Chn gt the module channel to which the Outbus is linked 2015 NTi Audio AG MBe 2 7 FK ANA board Hardware FXANA is a 2 channel high precision analog audio analyzer e In Meter StepSweep or GlideSweep mode the analyzer acquires all supported measurement functions regardless of the queried results e The bias of the two input channels can be adjusted individually e In case of StepSweep or GlideSweep measurements both channels always start simultaneously e FX ANA must always be installed together with an FX GEN board FX ANA internal schematic Outbus 1 Inbus 1 Inbus 2 Outbus 2 ilog Analyzer Route to Generator Route to Generator Connectors Route to XLR Route to BNC Route to Inbus Route to Outbus 2015 NTi Audio AG MBe The analyzer channels 1 2 can be linked to e XLR connectors 1 2 respectively e BNC connectors 1 2 respectively e Inbus 1 2 respectively e Outbus 1 2 respectively readback measurements are possible with this configuration
99. alDistortionEnergy B av 24 V2 V2 THD ee EE EE IEC IEC SignalEnergy TotalDistortionEnergy e VIE VE V SC TotalDistortionEnergy IEEE TADiere SE FundamentalEnergy 2015 NTi Audio AG MBe Application hints 259 12 Application hints e Demo projects e Tutorial e X Y axis scaling e Analysis of external signals e Measurement speed e Template for build report e Shortcuts mouse operation e IEEE 488 12 1 Demo projects The FX Control installation CD includes a number of demo projects for typical applications Basic projects Meter projects Demo project Description hints Application examples file name 1 Chn FFT A simple 20 Hz to 20 kHz audio bandwidth FFT measurement via analyzer channel 1 Use the properties section of the result graph to parametrize the FFT analysis e g The test signal is transmitted acoustically or via an electrical connection Alternatively it is also possible to analyze an externally generated Signal 2 Chn FFT A simple 20 Hz to 20 kHz audio bandwidth FFT measurement via analyzer channel 1 amp 2 Use the properties section of the result graph to parametrize the FFT analysis e g The test signal is transmitted acoustically or via an electrical connection Alternatively it is also possible to analyze an externally generated 2015 NTi Audio AG MBe FX Control User Manual monitor PureSound monitor
100. alyzer 29 digital generator 29 generator 25 input switcher 44 output switcher 42 properties 256 SIH 35 SIL 31 SIP 38 Rss 203 RTA 251 RT IB 59 E Safety 7 Sample rate 119 120 122 Sample rate adjustment 114 270 Sample rate deviation 61 Save project 54 287 268 FX Control User Manual scaling 269 Scan hardware 59 Schematic diagram 12 Scope 150 Selective level 147 Sensitivity of microphone 104 Sequence 5 7 example 242 244 246 250 251 execution 182 228 235 overview 228 setup 228 state 235 step 235 Sequencer 16 Serial number 12 16 Service centers 281 Settling 138 141 180 Setup measurements 73 wiring 70 Shortcuts 277 Shunt resistor SIH 35 SIL 31 SIP 38 Sigma 203 Signal latency 2 0 measurement 1 6 Signal to noise 141 Simulator 59 Sine 82 Single shot 136 184 Smoothing 61 Software installation 8 layout 49 operation 49 overview 47 startup 954 tolerance limits 222 update 65 Sound file 64 150 177 194 Source analyzer 111 Speaker impedance measurement 173 Speakon DF 41 SIH 35 SIL 31 SIP 38 Spectrum FFT 150 Sat 203 Stand alone operation 47 Start measurement 57 136 182 ribbon 57 sequence 182 228 tone 83 Start measurement 277 Startup 54 State 228 235 Stdev 203 Steepness measurement 165 resolution 114 Step 235 StepSweep amplitude 83 amplitude profile 83 analyzer 112 analyzer range 102 example 205 external 270 frequency 83 gene
101. anels stay permanently visible in the WorkArea e the calculation items are global though the corresponding inputs may be taken from an individual state e the regulators are global their outcome may be applied to all states or on a single state only A Set up procedure A1 Establish the sequence Hint Before you define a new sequence it is strongly recommended to clear all panels from the WorkArea or to open a new project 1 Enter the sequence mode by clicking on the button Sequence Mode in the Start ribbon 2 Define the wiring 3 Create the required states see below 4 Click on Run to execute the complete sequence 5 Save the sequence and all related states in a project 2015 NTi Audio AG MBe Sequences 220 A2 Edit amp arrange the states steps 1 Create a new state by clicking on New 2 Adjust the contents of the new state or edit an existing state as follows o Select the state by clicking on State x o Define the routing e g active channels of the generator analyzer or SIL SIH boards or input output switchers Adjust the generator analyzer settings Activate the measurements and define the tolerance limits Define the calculation items optional O O O 0 Introduce the regulators optional 3 If required delete a selected state by clicking on Del 4 Save the project to secure the definitions or changes Hints Only the settings of the active i e selected state can be edited The
102. antom power for 2 V microphones 48 V gt Phantom power for 48 V microphones DCR 5k range gt the analyzer generates a 1 6 mA current to measure the output impedance of the DUT Device Under Test up to 5 KQ DCR 100k range gt the analyzer generates a 100 uA current to measure the output impedance of the DUT up to 100 kQ ICP constant current microphone power supply 4 mA NOTE Assoon asa microphone is added to the Hardware amp Wiring and connected to an FX100 input gt the bias of the corresponding channel is only accessible via the microphone properties in the Hardware amp Wiring view Hint If the input is AC coupled a change of the bias to from 48 V 2 V or ICP may cause that the analyzer input capacitor gets charged which may take some time In this case the FX100 analyzer detects the charging process and applies a 1 2 s timeout in order to ensure a stable input signal and thus correct measurement result Consequently the overall measuring speed may be compromized in applications where the input connectors are repeatedly switched between different bias settings ICP is a registered trademark of PCB Piezotronics 9 6 Microphone sensitivity The sensitivity of any microphone that is connected to an FX100 input must be entered properly to ensure correct measurements The microphone sensitivity is expressed either in mV Pa or dBV Pa and can be edited in the properties section of the Hardware amp Wiring view
103. applied for StepSweep testing and vice versa 5 Make sure that the generator outputs are not muted start the equalization process Run and apply the results Apply 6 Re establish the wiring that is required for device testing Hint The acquired generator equalization data can be kept by saving it in a project together with the current system settings Example a Equalization of amplifier output b Equalization of speaker output Equalized Amplifier Flat driving Equalized Amplifier speaker gen level response signal gan level response The FX100 generator output must equalize the amplifier The FX100 must equalize the amplifier loudspeaker characteristics flat frequency response of the characteristics flat frequency response of the speaker driving signal generated sound pressure level 2015 NTi Audio AG MBe Regulators egualization 134 gt b eneric Amplifier 1 Passive Speaker 1 al Controller Analog Generator Analog Analyzer For the amplifier output equalization the FX SIL Speakon connector must be temporarily linked to analyzer channel 2 Generator Equalization Q Select a Source Tree Sequence gt S ive Speaker 1 Pull wire link from one connector to another one e Right click on Y o itemtolink it internally lt For SPL equalization the microphone link to analyzer channel 7 is used as feedback line Click on the Genera
104. are defined independently for the analog digital domain e are saved in the project file There are basically two ways to save amp apply tolerance limits l by the FX100 device ll by FX Control software NOTE Software limit amendments will be shown immediately whereas changes to a device limit become only visible after execution of the next measurement FX100 device tolerances FX Control software tolerances GlideSweep Level Ch1 Tolerances applied by controller PC Tolerances applied by Result data FX100 device PASS FAIL nut Passed ba sects a Heter Result data WII ndil a SAH raw FLEXUS FX100 AUDIO ANALYZER ON OFF FX100 checks the measurement data vs the on board The controller PC checks the received measurement tolerance limits data vs the tolerance limits e FX100 device tolerances are defined via the properties e FX Control tolerance limits are defined by using of the measurement graph the limits are then saved amp calculation items the limits are then saved amp applied applied by the FX100 device by the software e The result stream from the FX100 device to the e The data stream from the FX100 device to the controller PC contains the acquired measurement controller PC contains only the acquired results i e data and the overall PASS FAIL information no PASS FAIL classification e Those measurement results that are beyond the e All measurement points beyond the tolerance limits
105. aste gt pastes the clipboard contents to the generator equalization file e Amplitude profile see below O O O 0 Hints Enable activates the amplitude profile feature Data Edit gt opens a graph with the current amplitude profile Data Copy gt copies the numerical values of the current profile to the clipboard Data Paste gt pastes the numerical data from the clipboard to the profile Superposed View gt shows current amplitude profile values and curve The frequency sweep analyzer parameters have to be defined via the Analyzer StepSweep properties The required StepSweep measurements have to be activated separately If an externally generated frequency sweep is being analyzed it is recommended to mute the FX100 output channels 2015 NTi Audio AG MBe Generator settings 85 Amplitude sweep The level of the generated sine signal is swept in equidistant steps over a user defined level range Level dB k Level V Examples of generated amplitude sweep test signals linear spacing 2015 NTi Audio AG MBe KH FX Control User Manual StepSweep Waveform Waveform Type gt supported StepSweep test signal i e Sine IECH Type Sine e Sine Sne Z o Z S e Frequency gt the user defined frequency of the generated sine wave Frequency 1000 000 Hz e Fadein gt duration of generator fade in before the sweep starts e Source gt Amplitude j 0 02 Amplitude E no El
106. athematical ins Functions Measurements results calculations Boolean Jee lt smal than or ar Jegen MEE SC og ANDab jand TT ae Rab for TT N E C Note log 203 Leem Arithmetic mean value a y adB x y 1020 y Abs x y xl y dB x y 20 logio x y Exp x y e y Log x ke y log x y Logl0 x y login y Mean Xa F xa F E Za y to the Power of y Pow a b y a Root mean square Rss Root sum Square quadratic sum Standard deviation n Standard deviation n 1 Arithmetic sum 2015 NTi Audio AG MBe y Sqrt x y Sumlx y wvx PSA A bs 204 FX Control User Manual Calculations that can have either a scalar or vector input parameter scalar x e g level result vector X e g frequency response a ifthe input parameters are two scalars the result is a scalar y func x x b if the input parameter is a vector the result is a scalar y func X c ifthe input parameters are vectors the result is a vector Y func X X X Calculation Result Units a Joe Jk fz a mv rpa Meeghanesem form impene 2015 NTi Audio AG MBe Measurements results calculations 205 8 7 3 Calculation examples The following application examples demonstrate the process of establishing a calculation Hint Please refer also to chapter Sequences Example 1 Di
107. bbon and select Add to Quick Access Toolbar e Right click on any button in the Quick access toolbar and select Remove from Quick Access Toolbar Example of customized Quick access toolbar 2015 NTi Audio AG MBe 3 4 Start ribbon The Start ribbon comprises of three sections Clipboard Measurement and FX 1 lf a second or more FX100 Devices are connected to the controller PC an additional section FX 2 etc will be added for each instrument Single FX100 Start 51 FFT PP Se Freq Imped Response e Del E Clear ren E Run Start View Wiring Worksheets Logging bY Ors s Gr S Ai DI All Meter ep Glide Sequence Meter e Glide Sequence weep oe Mode uti eli Abort AUTE TNA Sweep T jami tem Mode Saat e Cuts the selected item from the Hardware amp Wiring vew or WorkArea e Copies the selected item from the Hardware amp Wiring vew or WorkArea e Pastes the selected item to the Hardware amp Wiring vew or WorkArea Initiates a continuous Meter measurement Initiates a continuous StepSweep measurement Initiates a continuous GlideSweep measurement Initiates the consecutive execution of all active measurements on the corresponding FX100 Device e Single shot refers only to the selected sequence state e Repeat e Abort Opens the Sequence mode e sequential execution of a number of user define
108. bbon and select the input Measurement gt StepSweep gt Level Channel 3 e Repeat step d for Channel 4 Linear Interpolation Q Linear Interpolation 1 Name Linear Interpolation Mic 2 Input x 1 Measurement StepSweep Level Ch4 g x Im X Axis fo w Y Axis Ass Errors J Add to current view OK Cancel f Click on New Calculation select the input parameters Measurement gt StepSweep gt Level Channel 3 edit the calculation formula X1 X2 and select the result unit dB Calculation Item Calculation Item Name Difference Mict 2 00 Add Parameter De F nster X ER sennep ea X Fomula X X2 sl Result Unt Errors ke Add to current view OK Cancel 2015 NTi Audio AG MBe Measurements results calculations 214 g Run the measurement StepSweep Frequency Channel 1 Lamae e Spacing Logarithmic zl Channel 2 Lamae e Star 100 0000 Hz Channel 3 15000 00 Hz Channel 4 omg dav StepSweep Level Mic 1 2 200 300 500 BUD ik 200 300 300 3k 4k Sk6k S8ki0k 15k 2015 NTi Audio AG MBe 212 FX Control User Manual Example 4 Custom tolerance limits for calculated Passed Failed The example checks the Calculated Passed Failed frequency response of an active loudspeaker against two custom curves that act as upper lower tolerance limits Step 1 Establish test setup and record the frequency response a Connect the active speaker and
109. ble name of the gain measurement display Header e Sources gt measurement function Meter Gain Ch1 o Clear the M checkbox to hide the corresponding curve in the graph Source o Click onthe button to amend the measurement function Active o o Click on the pad button to delete the corresponding curve Unit o Click on the gt button to amend the curve color Limit Low i e Active Limit High o On gt measurement is active o Off measurement is inactive Format e Unit gt the measurement unit in which the measured gain shall be expressed o dB o e Limit s o Low Meter mode gt optionally enter the lower tolerance limit of the measurement o High Meter mode gt optionally enter the upper tolerance limit of the measurement o Edit Data StepSweep gt optionally edit the tolerance limits of the measurement Hint Itis possible to enter no limit only the upper or the lower limit or both limits 2015 NTi Audio AG MBe Measurements results calculations 155 Properties Header e Type gt not yet implemented absolute or floating tolerance limits StepSweep Gain Ch2 e Format the format in which the numerical results are displayed Cane e Color gt selectable color of the corresponding curve a i FX 1 Measurement Ex E H e Pen gt selectable line style of the corresponding curve e Interpolation Acti on E terpolatio i o Linear gt the displayed result curve is drawn by connectin
110. c Mic Generic FA400 Generic RT IB Generic External Speaker Speaker 2010 2015 Mic Amplifier Amplifier 100V YO Source sy A Scanned Hardware Name Generic 1 0 1 A Other Hardware Types Input Digital a Passive Speaker Output Analog g Active Speaker amp Mic 2010 Mic 2015 a Generic Mic 7 Kl rFasoo amplifier g Generic Amplifier er 100v C Generic 1 0 Controller A Analog Analyzer FX 1 6 External Source Fail Fx Simulator 5 o gt 2015 NTi Audio AG MBe 3 12 Worksheets The WorkArea of FX Control hosts the Worksheets where you can e arrange the required generator amp analyzer panels e activate measurement functions e display the acquired test results Click on the button in the Toolbox to show the Worksheets Hint The WorkArea may be enlarged by adding another sheet gt click on the New Sheet button in the Worksheets ribbon Add panel from the Toolbox Add panel via the Ribbon Delete panel from the view Move panel Align panel Re size panel Re size all panels in the view Arrange panel Amend test parameters Drag amp drop the required panel e g Generator Level Channel1 from the toolbox to the WorkArea Click on the corresponding button in the Results ribbon and select the required panel Click on the Ed button of the corresponding panel Left click and hold on the item P move it to the required pla
111. ce and release the mouse button First click on the root panel second on the target panel and then on the corresponding button in the View ribbon to align the target panel a Click on the panel then on its frame and adjust its size with the mouse b Click on the root panel then on the target panel and finally on the corresponding button in the View ribbon to align the target to the root panel Use the Zoom slider t E Click on the panel and then on the corresponding button in the View ribbon Enter the required values directly in the corresponding panel or via the Properties section NOTE Some settings in the Worksheets are mirrored in the Hardware amp Wiring view i e amending them in either view also has an immediate effect on the other view 2015 NTi Audio AG MBe FX Control User Manual Example Fx Demoi FX Control 2 2 0 Ta ar Start View Wiring Worksheets Logging Help Aa lt mm O CA 1 Calculated Passed Failed Linear Interpolation Lu Generator Level a ee Bi Gi wd r d bd Overall Passed Failed F Smoothing Ww GlideSweep Range ew ew Sheet Fro umeric BarGraph Line Line Graph Passed n ae Display Graph Collector Failed Display Panel Calculation Q Unit Converter O Previous Result Generator Equalization _aiculation items Panel Disp Toolbox elect required pane Worksheets a reegen e EE Range pr Level Ch1 Meter Frequency Ch1 GR channel 1 670 AE D A dh 1600
112. ctor at a time Route To Channel 1 Route To Channel 2 Route To Inbus 1 Route To Inbus 2 Route To None E ek O Bias Inbus 2 FX IS properties _ The FX IS has the following properties Slot 2 Inswitcher 1 00001 A 2 E e Slot number InSwitcher number PCB serial number PCB version PCB Bias index Channel A off e Bias gt optional offset voltage or current that is applied to the input ES IT oe connector s o 2V gt Phantom power for 2 V microphones Channel C Off o 48V Phantom power for 48 V microphones default status for Channel D Off M2010 M2015 microphones Settling o DCR 5k range gt 1 4 mA current to measure the output impedance of the DUT Device Under Test up to 5 KQ Channel a Dis o DCR 100k range gt 100 uA current to measure the output impedance Channel B Os of the DUT up to 100 kQ Channel C 0 s o ICP constant current microphone power supply Channel D D e e Settling idle time before the measurement can start after activation of an input channel gt thus the DUT can settle to the active bias A A AAA ICPO is a registered trademark of PCB Piezotronics 2015 NTi Audio AG MBe Hardware 45 Application example gt enert Amplifier 1 Mic 2010 1 J E Passive speaker Mic 2010 2 Mic 2010 3 Anslog Anslyzar ipaaker Impecanoe FX IS application example testing one loudspeaker wth three swtche
113. d measurements 2015 NTi Audio AG MBe KEH FX Control User Manual Initiates the consecutive single shot execution of all active measurements and of the complete sequence on all connected FX100 Devices a Ki 8 eg a e O A A all All NOTE The green 9 and Dee buttons apply on all connected FX100 Devices whereas the blue pe Single U Repeat Abort buttons refer to the corresponding FX100 Device only 3 5 View ribbon The buttons in the View ribbon are used to adjust the size alignment and arrangement of the elements in the WorkArea View Wiring Worksheets Logging Help A To Tallest H To Widest Show Hide Print Area e Zoom enlarge or scale down the items in the WorkArea same effect as Zoom slider e Alignment and Size select the panel s that require alignment or sizing then click on the appropriate button e Arrange arrange the screen depth position of the selected panel in relation to each other e Page Setup click on the button Show Hide print Area to show the area s of the WorkArea that will be printed e g va lt Ctrl gt lt P gt 2015 NTi Audio AG MBe Software MES 3 6 Wiring ribbon The Wiring ribbon offers a number of standard items for use in the Hardware amp Wiring view Worksheets Logging Help VOU lt goong Ei ni Passive Active Mic Generic Generic RI IB Generic External FX Speaker Speaker ani 2015 Mic pe Amplifier 100W WO Source Simulator
114. d microphones 2015 NTi Audio AG MBe 3 Software The FX Control software has been designed to handle two different operating modes of the FX100 audio analyzer Operating modes a Remote control operation Program The controller PC handles the instrument parameterization and test execution and receives the uploaded result data b Stand alone mode NOTE Not implemented under firmware version 2 6x or lower Trigger The FX100 instrument executes a customized test sequence including PASS FAIL rating that has been previously defined amp downloaded from a PC Result data is transferred via TCP IP link 2015 NTi Audio AG MBe KEH FX Control User Manual FX Control PC software The basic tasks and operations of FX Control can be divided into four areas i System setup e Test parameters generator adjustments e Analyzer settings e g input range synchronization triggering e Measurement functions ii Acceptance criteria e Tolerance limits e PASS FAIL indication iii Test execution e Single shot measurement e Continuous mode e Sequences iv Data logging e Custom settings e Data export FX100 firmware The FX100 Firmware performs the following tasks a Execution of remote commands from the controller PC b Upload of result data to the controller PC c Handling of the front panel control elements LCD rotary encoder d Stand alone operation not yet implemented The FX100 fi
115. d over a user defined time period d Table gt a sequence of isolated test signals with individual levels 4 frequencies is generated according to the user settings NOTE Some sweep parameters are only accessible via the Generator properties if the analyzer synchronization source is switched to Generator Otherwise for example in case of an external sweep analysis these parameters must be defined via the Analyzer properties If you switch from one StepSweep mode to another all tolerance limits of active measurement functions are deleted Frequency sweep The frequency of the generated sine signal is swept in equidistant steps over a user defined frequency range i Level dB 200 400 600 800 1k Zk Ak k Sk 10k 20k 4k k Level dB Examples of generated logarithmic linear frequency sweep test signals 2015 NTi Audio AG MBe StepSweep Waveform JEE Sine e Sine CA aa ETT Frequency 1000 000 Hz Type a FX Control User Manual Waveform e Type gt supported StepSweep test signal i e Sine Sine e Fadein gt duration of generator fade in before the sweep starts e Source gt Frequency A _ A AAA lt Frequenc Fadein 0 02 s E e Spacing Source alelana maal El o Linear gt the generated frequencies are distributed linearly over Frequency gt the Xaxis Spacing Logarithmic e Start Stop Points po Start Tone Off a Weight 4 Channel 1 YAxisUnit Ampli
116. dAllText C Users xxx documents FX Control Full Resolution Results RTAFullOct txt 2015 NTi Audio AG MBe 252 FX Control User Manual 6 Paste the path to the formula of calculation item Third Octave Name Third Octave Add Parameter s 2 Measurement Meter AA Result Unit dB e Updated Formula string FrequencyResponse new FrequencyResponse Converter ConvertFrom null null System IO0 File ReadAllText C Users xxx Documents FX Control Full Resolution Resultes RTAThirdOct txt 7 Open the Sequence Dialog panel via the Start ribbon double click on the Calculate RTA step and update the paths under Command and Arguments Sequence Dialog xj Sequence Start G Calculate RTA LV en 52 State 2 m 7 kW Run External Program MES Commam LC Program Files x86 NTi Audio FFT2RTA FFT2RTA exe Argument C UserspoodDocuments FX ControllFull Resolution Results CSV 1 Deletelnputl h Wait for Program to Exit Updated Arguments string C Users xxx Documents FX Control Full Resolution Results CSV 1 DeleteInputFile L C Users xxx Documents FX Control Full Resolution Results must be written in quotation marks and identifies the directory where the full resolution FFT file will be logged ii CSV defines the log file format CSV or TXT iii 1 defines the analyzer channel to which the mea
117. e o Click on the H button to amend the curve color Active o On measurement is active o Off measurement is inactive Domain o Frequency gt spectral signal analysis o Time gt time signal analysis scope mode Trigger gt the start of the signal acquisition can be triggered only available in Time domain mode o Active gt On or Off o Channel gt select the input channel that is used for triggering Average Oydes 8 e Window gt the Average Reset Write Full Res Results to file o BlackmanHarris o Hann e Unit gt the measurement unit in which the FFT level shall be expressed o V o dBV dBPa dBSPL dBu O O Oo Add Source e Limits Edit Data gt click on this button to edit the tolerance limit of the FFT measurement e Type gt not yet implemented absolute or floating tolerance limits e Size gt the length i e samples or blocklength of the FFT calculation gives the frequency resolution see Example 1 below 912 gt 375 Hz 1024 gt 187 5 Hz 2048 gt 93 75 Hz 4096 gt 46 88 Hz 8192 gt 23 44 Hz 16384 gt 11 72 Hz 32 68 gt 5 86 Hz 65536 gt 2 93 Hz 131072 1 46 Hz 262144 0 73 Hz o 924288 gt 0 37 Hz o 1048576 0 18 Hz o 2097152 0 09 Hz O O O O Y O O O O Q e Points gt number of calculated amp displayed FFT points between the start stop frequency less points gt shorter data transfer e Detector Type gt the result curve represents see Example
118. e e XLR BNC connectors e Outbus FX ANA analog analyzer Input channels 1 2 can be linked individually to the corresponding e XLR BNC connector e Inbus or OutBus gt readback measurement FX AES digital generator amp analyzer Output is permanently linked to the corresponding XLR BNC and TOSLINK connectors Input can be linked individually to the XLR BNC or optical TOSLINK connector FX OS analog output switcher Each connector can be linked individually to the Outbus 1 or 2 only one link per Outbus at a time FX IS analog input switcher Each connector can be linked individually to the Inbus 1 or 2 only one link per Inbus at a time FX SIL analog speaker impedance low max 2 A The Speakon input connector shunt resistor or Banana output connector can be linked to Inbus 1 2 FX SIH analog speaker impedance high max 10 A The Speakon input connector current sensor or Speakon output connector can be linked to Inbus 1 2 FX SIP analog speaker impedance power The integrated power amplifier and current sensor can be linked to the Banana and Speakon output connectors 2015 NTi Audio AG MBe Hardware 15 FX DF low pass filter for D class amplifier testing The Speakon input connectors can be linked to Inbus 1 2 NOTE Aside from the standard analog generator amp analyzer boards FX100 can host a maximum of three plug in options FX100 mainframe properties Hardware amp Wiring properties
119. e gt saves the current settings as FX project e Save as gt saves the current FX project under a different name e Print gt prints out the contents of the WorkArea refer also to chapter View ribbon Options e Options opens the Options pop up see below e Recent Projects gt list of saved projects Note compatibility is only checked when the project is opened e Exit gt shuts down FX Control Language ENGLISH Default file location C Users mbe Documents Fx Control El Startup project StartupProject fx El lx O Language select the preferred language of the FX Control menus amp labels 4 Default Project Location root directory for FX Control projects e Startup Default Project the corresponding project is opened automatically Run Repeat Measurement at program startup E Save layout on program exit after startup kd Check for project changes KR i ae e Run Repeat Measurement at program startup gt if this checkbox is ticked the T Trace usb traffic administrative permissions required Startup project is automatically loaded amp executed in repeat mode after Cancel running FX Control e Save layout on program exit gt tick this checkbox to restart FX Control with the current layout e Check for project changes gt clear this checkbox if the system shall not ask you to save any changes when you load another project e Adjust Date amp Time gt tick this checkbox to automat
120. e Delay the measured time delay from the signal source to the sensor i e microphone e Distance gt the calculated distance between the sound source loudspeaker and the microphone e OK Cancel buttons gt confirm or ignore the amendments OK applies the settings Position Active Level Unit and ETC or Impulse response Unit Example The following two screenshots show the Adjust Time Window with an acquired measurement the impact of placing the time window end point in front of the first reflections becomes clearly visible in the frequency response curve less ripple 2015 NTi Audio AG MBe me FX Control User Manual Settings Measure EI e Unit dBSPL y Channel Channel v Time Window Position 0 100 s Active Zoom Start 30 00 ms Stop 0 100 s Default Start Stop 4 Level Unit dBSPL v 0 03 0 025 0 02 0 015 0 01 0 005 0 0 01 0 015 0 02 0 025 0 03 0 035 004 0 045 0 05 0 055 0 06 0 065 0 07 0075 0 08 0 085 0 09 0 095 01 s pre Acquire E Delay 2 056 ms Distance 0 712 m 40 50 60 70 80 90 100 400 500 600 700 800 900 1k Cancel Time window end point at default position i e 100 ms Settings Measure ETC y Unit dBSPL Channel Channell v Time Window Position 11 30 ms D Active On Zoom Start 30 00 ms Le Stop 04005 Le Default Start Stop Level Unit dBSPL e 0 02 0 01 0 005 0 0 005 0 01 0 015 0 02 0 025 0 03 0 035 0 04 0 045 0 05 0 055 0 06 0 065
121. e connected loudspeaker s by feeding a small current through the DUT NOTE An external amplifier is required to measure the loudspeaker impedance with the FX SIL board alternatively you may use the FX SIP board The maximum current through the FX SIL option is 1 A FX SIL internal schematic Inbus 1 The FXSIL elements can be routed internally as follows Ms o Speakon IN to o Channel 1 2 of the analyzer gt required link Route To Channel 1 o an ii or equalize the amplifier output y Route To Channel 2 KN o None i e no connection to Sprake Route To Inbus 1 y e Shunt resistor 1 2 to om Route To Inbus 2 epee ee o Channel 1 2 respectively required link to measure the AC impedance of a connected DUT Device Under Test o None i e no connection FX SIL e Banana output connectors to o Inbus 1 2 gt measure the DCR of the DUT or equalize the actual driving voltage o None i e no connection EEN l l I l I 4 ee EE Inbus d Right click on any symbol in the Hardware amp Wiring view to link it as required FX SIL properties Properties x The FX SIL board has the following properties Slot 4 Speakerimpedancelow 1 00101 B 2 1 e Slot number SpeakerlmpedanceLow number PCB serial Source number PCB version PCB index Channel a AmplifierIn e Source Channel B DCR32ERange o Amplifierln gt Speakon IN connec
122. e numerical data of all curves and the graph itself in bitmap format are copied to the clipboard e Amend the graph scaling gt right click on the graph and select Edit Scale Y Axis or X Axis e Zoom in by moving the mouse over the area of interest while holding the left mouse button e Return to the full vew by double clicking on the graph with the left mouse button e Header gt editable name of the line graph collector Properties Header e Source Active GlideSweep Level Chi o On gt the collection of curves is active o Off gt completely disables the curve collection line graph collector becomes shaded measurement inactive Source A FX 1 Measurement GlideSweep Level Chi Active On e e Unit gt selectable measurement unit Y axis Unit Gd e Limits Edit Data gt edit the tolerance limits o for Limits Edit Data the related measurement Type Fixed e e Type gt not yet implemented Interpolation Linear e Interpolation Keep Al Curves E o Linear gt the displayed result curve is drawn by connecting neighbored points directly via Straight lines 3011 08 79 11 17 01 546 o Steps gt the displayed result curve is drawn 2011 08 29 11 17 03 873 by drawing horizontal lines between 2011 08 29 11 17 05 521 neighbored points 2011 08 29 11 17 07 225 2011 08 29 11 17 08 7533 e Keep All Curves 2011 08 29 11 17 10 185 a 2011 08 29 11 17 13 049 o checkbox ticked curve collection
123. easurement s e g e Level e Distortion e PureSound steepness e Signal latency v Initiate the measurement s and replay the GlideSweep signal from the external device NOTE In case of a signal latency measurement the measurement start and the signal replay must start at the same time Hint It is recommended to mute the FX100 generator during the measurement vi The FX100 analyzer consequently monitors the active input channel until it triggers to the fixed header of the GlideSweep signal gt the analyzer synchronizes to the incoming signal and starts the measurement 2015 NTi Audio AG MBe 272 FX Control User Manual Sample rate adjustment lf a GlideSweep signal shall be analyzed that has been generated by an external device the FX100 analyzer sample rate must be synchronized to the incoming test signal For this purpose every exported GlideSweep starts with a header that allows the FX100 analyzer to trigger correctly to the incoming signal and to measure the sample rate of the replay device However there are two issues that have to be considered carefully in this mode a The sample rate of an external device that is generating a GlideSweep may differ from the internal FX100 sample rate 192 kHz The FX100 therefore automatically recognizes and compensates such sample rate dewations If the difference however exceeds the maximum allowance of 5 significant errors in the GlideSweep frequency
124. edited E Data Output Build Report e disabled enabled HL Aux Input e deleted e moved within the sequence with the Up Down buttons Hint Keep in mind that a sequence may be triggered started manually or via the auxiliary VO interface Prompt Halts the sequence and opens a dialog emm 3 box with customized text that has to be AA ES confirmed by the operator For instance Step Name Prompt 1 this feature allows to aduse the z Adjust amplifier gain to maximum and confirm customer to perform a manual action before the sequence can be continued 1 Select the menu Prompt optionally edit the Step Name and enter the instruction text that shall be displayed to the operator 2 Click on OK to confirm your definitions Prompt execution during a sequence Prompt 1 E x e Operator takes no action gt sequence Adjust amplifier gain to maximum and confirm remains halted e Operator clicks on the OK button gt sequence execution continues Cancel e Operator clicks on Cancel gt sequence is stopped aborted 2015 NTi Audio AG MBe Sequences 237 Input Halts the sequence and asks the o operator to enter a string This string date then becomes available in the Data Step Name Ire Output window or can be used for the Sy peyan wa Program or Build Report 1 Select the menu Input optionally edit the Step Name and enter the instruction text that sha
125. efine the physical state of the digital audio signal Output Output eee On Carrier active On Off the digital audio signal is generated not generated Sample Rate Source weng y sample rate Frequency 48000 00 Hz H e Source BNC Carrier Level AES 3ID p SES o Internal the generator clock is created internally rd Length Send Invalid o AESInputRecovered gt the generator synchronizes to the clock of the incoming ee signal source Connector aes Output Mon e o ote o Synclnput the generator synchronizes to the clock of the Sync Ref Input mpedance 110 Ohm Indicate Ov at gt l e Frequency gt the sampling rate of the digital audio signal can be adjusted to aa Ti o a standardized frequency 32 44 1 48 88 2 96 176 4 192 kHz or any user defined frequency in the range from 28 to 220 kHz e BNC carrier o AES 3ID gt the physical signal level Voltage of the generator output 1 2 Vpp o SPDIF gt the physical signal level Voltage of the generator output 0 6 Vpp e Word length selectable 16 18 20 24 bits e Send invalid Off On gt the status of the generated digital audio signal is valid invalid 2015 NTi Audio AG MBe 120 FX Control User Manual Input e Connector o XLR gt the analyzer is linked to the XLR input connector o BNC gt the analyzer is linked to the BNC input connector o Optical gt the analyzer is linked to the TOSLINK inp
126. efined action States instrument settings When you add a new state to a sequence you must adjust the following settings A Measurement operating mode s Minimum one measurement operating mode must be active e Meter e StepSweep e GlideSweep Hint Ifa state comprises 2 or 3 measuring modes they are executed in the order Meter gt StepSweep gt GlideSweep B Test parameters e generator settings e analyzer settings C Measurements Minimum one measurement function must be active Hint The name of every state begins with an identifier e g S1 S2 followed by as description e g The identifiers are invariant whereas the descriptions can be edited by clicking on G nen or via the Sequence Dialog window WS Freg 1mped Response 08 SF PureSound Rub amp Buzz Test Ge del a G Ren lt Run Example of edited state descriptions 2015 NTi Audio AG MBe 236 FX Control User Manual Steps predefined actions To add a step click on the Add button soca ee m in the Sequencer Dialog window Sequence Start Consequently a menu appears with the A Aux Trigger Bit 8 765 43 2 1 Type y Positive Edge D CCCCCCCG available actions e Prompt Input F e Program G a e Activate Sheet KD e Data Output e Build Report e Aux Input Edit Up Down Delete OK e Aux Output L A Prompt Input After having added a step to the ER Program sequence it can be Ge E e
127. end point is moved within the ETC or Impulse response graph the system directly shows the impact on the frequency response measurement Settings Measure ETC e Measure select the display mode Unit d i o ETC Energy Time Curve gt envelope of the rectified impulse in logarithmic Channel Channeli scale Time Window Position 10 00 ms On e Active i e Unit gt supported units of the ETC logarithmic or Impulse response linear display Ces modes stat 30 00ms e Channel gt active channel ZE 0 100 s El e Position gt enter the end point of the time window expressed in ms milliseconds _Defauit Start Stop Hint To adjust the time window vertical bar right click on the graph or numerically enter the position in ms o Impulse gt display of the calculated Impulse Response curve in linear scale Ee e Active gt enable or disable the time window D e Start Stop define the zoom range of the ETC or impulse response graph Acquisition required Hint Use the mouse on the graph to directly zoom in Delay e Default Start Stop gt undo the zoom reset the Start Stop time to their default values i e 30 ms 100 ms Distance e Level Unit gt supported units for the Level measurement linear or logarithmic Control elements e Acquire button gt starts a measurement cycle including signal acquisition e Abort button aborts the ongoing measurement cycle
128. ents results calculations FX100 supports Meter StepSweep and GlideSweep measurements in three operating modes i Single shot i e singular acquisition of the active measurements of all operating modes ll Repeat i e cyclic execution of the active measurements of all operating modes iii Continuous Le permanent execution of the selected measurement only Preparations 1 Adjust the generator settings i e test signal parameters 2 Adjust the analyzer settings e g synchronization range coupling 3 Activate the required measurement s in the Worksheets Le either e drag amp drop it from the toolbox to the worksheet or e right click on the measurement icon in the toolbox and select the display type or e left click on the related button in the worksheets ribbon and select the measurement function NOTE A measurement is only executed if a corresponding result display is placed on a Worksheet Single shot Click on the p Single button in the Start ribbon to initiate the single shot sequential execution of the active measurement functions Example Meter amp StepSweep level Step5weep Level Ch2 Meter Level Ch2 SA 200 300 500700 ik 2k 3k 4k5k amp k Hz NOTE The blue Single and Repeat buttons refer to the corresponding FX100 instument only whereas the green All Single and All Repeat buttons apply on all connected FX100 Devices Repeat Click on the Repeat button in the Start ribbon
129. ep e control panel is blue tt 3 E GlideSweep E Analyzer ES Measurement e numerical or graphical result panel is green Furthermore by right clicking on the measurement function you may activate bargraph or i ae Passed Failed displays ere Front Panel y Channel Les Numeric Display BarGraph Display Passed Failed Display me Channel E THD E Harmonics EH PureSound EH Phase DI D E E E EH SpeakerImpedance a H Advanced The entries below the heading Calculation ltems refer to the corresponding items that i have been defined by the operator Hint Calculation items are saved in the project file 2015 NTi Audio AG MBe FX Control User Manual 3 11 Hardware Wiring The central area of FX Control hosts the Hardware Wiring view where you can e establish a virtual replica of the actual test setup e access the properties of the employed hardware items Click on the button in the Toolbox to activate the Hardware amp Wiring view Add remote Click on the Scan button in the Wiring ribbon to show all connected devices that have been controlled device Add passive device Adjust domain of device Delete device from the view Arrange items in the view Link connector to item Mute output connector Route input connectors Amend bias of input connector Re size all items in the vew
130. er signal e 1 Speaker signal e 2 Sense e 2 Sense 2015 NTi Audio AG MBe b AC Impedance measurement anne Controller 5 PN b a dh UI x lt E ME LL a a Mic 2010 1 Passive Speaker 1 Hardware Wiring example simultaneous measurement via FX SIH of speaker AC impedance acoustic performance NOTE Foran AC lmpedance measurement you have to set the Analyzer Coupling to AC and the FX SIH property to Amplifier c DCR measurement d o 2 7 dance Controller Analog Generator E m Analog Analyzer FX 1 F oO peaker Imp Mic 2010 1 Passive Speaker 1 Wiring example for DCR measurement via FX SIH NOTE Fora DCR measurement you have to set the Analyzer Coupling to DC and the FX SIH property to DCR4ERange 2015 NTi Audio AG MBe a FX Control User Manual 2 11 FX SIP option The FX SIP plug in board provides all required components to execute a complete loudspeaker test i e e Power amplifier 0 dB gain o DUAL mode 2 chn 10 W o BRIDGE mode 1 chn 30 W e Current sensor DC and AC 0 to 2500 NOTE The Speakon output connector comprises four pins two for the signal and two for the sense line refer to the application example below FX SIP internal schematic Depending on the operation mode the FX SIP elements can be routed internally as described below vane a DUA
131. erator or e external signal source i e dominant frequency of the incoming signal Synchronization SS al Source Generator 2015 NTi Audio AG MBe 112 FX Control User Manual 5 12 StepSweep FX100 supports four different StepSweep modes a Frequency gt the frequency of the generated test signal changes according to the user settings while the signal amplitude remains constant b Amplitude the level of the generated sine wave changes according to the user settings while the signal frequency remains constant c Time gt the measurements are acquired over a user defined time period d Table gt a sequence of isolated test signals with individual levels amp frequencies is generated according to the user settings NOTE If the synchronization source is switched to External some StepSweep parameters are only accessible via the Analyzer properties Otherwise i e in case of an internal sweep analysis these parameters must be defined via the Generator properties NOTE Ifa noise level vs frequency is to be measured the analyzer synchronization must be switched to Generator and the acquisition to Wideband Synchronization StepSweep Synchronization Source i o Generator the analyzer StepSweep acquisition is controlled rE iden El by the generator External Sweep o External gt the FX100 analyzer synchronizes to an external Sense Channel 1 Signal source i e the frequency
132. es the current status of the corresponding mode i e e 5 d idle running waiting for trigger sequencer configuration 2015 NTi Audio AG MBe Hardware Remote control status Shows the IEEE 488 1 1987 remote control status LOC Local REM Remote LWL Local with lockout RWL Remote with lockout Err System error queue HHHH error number Clear Queue clears the error queue B Status of the 14 headphone jack which is used to monitor the incoming signal of the selected input channel monitoring mode Monitor or PureSound O t input channel number XX volume control 2015 NTi Audio AG MBe KIH FX Control User Manual Sequencer NOTE Please refer also to chapter Sequences for further details Main Status O AUTAKUN erg EA OR CANCEL USED SEQ HEHORY Hz il HEGRT The main sequencer status comprises the following elements Autorun Seq disabled no sequence is active enabled gt FX100 automatically loads the selected sequence after start up OK Cancel confirm cancel the current settings Used Seq Memory x memory space that is occupied by the stored sequences Sequencer status il sequence stopped MH TEST sequence running Abort aborts the currently running sequence Sequences Sequence HA neng TESTI SIZE HE KE EXEC LOAD OELETE RET WH 6 TESTI AEORT LCD content if a specific sequence has been selected Sequence disabled gt no sequence
133. ested generator channel via the ane Ce NE 1 generator GlideSweep properties z z b Click on the Edit button to open the GlideSweep Edit Profile Data 200 000 60 0 x panel CC KC zi c Right click on the graph and select Edit Data to open the Edit Profile 1200 000 100 0 x Data panel 1600 000 100 0 x 1800 000 90 0 zu d Enter the numerical frequency amp attenuation of a profile point and click on me the Add button click on the Convert button to toggle the attenuation between Yo or dB P s 0 0 Add e Amend the level or attenuation of a point by clicking on the corresponding L o f oa input box f Delete a point by clicking on the corresponding H button g Click on the Normalize button to make sure that the level of the highest point s in the profile equals 100 h Click on the OK button to confirm the current profile amp close the panel Hint Please observe the aforementioned GlideSweep amplitude profile definition c View profile Click on the Superposed View button to show the actual amplitude profile numerically and graphically 2015 NTi Audio AG MBe KH FX Control User Manual View Superposed Data xj 80 204 25 60 00 75 205 97 60 10 de 206 84 60 10 ES 5000 000 Hz 70 00000 5i 208 58 60 20 461020 50100 500ik 2k Ski0k 30k 96k 209 46 60 20 Hz S La Yo Export GlideSweep FX Control allows to
134. ew ones that are based on the larger number of recorded curves and the amended offset C Manually edited generic software limits 1 Inthe Worksheets ribbon click on the Custom Curve button under New Calculation O Custom Curve 2 Amend the name of the custom curve 3 Click on Edit Data Name CustomLimit_HI Values Edit Data Custom Curve fe Add to current view OK Cangal 2015 NTi Audio AG MBe 226 FX Control User Manual Select the appropriate unit s Fdit Dat I GUEST Define the requested curve by e editing the corresponding points de H een gt e Add points by entering the X Y 100 00 35 00 axis value in the bottom line and 1600 00 95 00 clicking on the Add button 4500 00 50 00 gaps between neighbored points ss00 00 50 00 will be interpolated linearly A 10000 00 45 00 Amend the values of existing points directly e Delete obsolete lines from the 0 00 0 00 Add table by clicking on the button et Confirm by clicking on OK Optionally repeat steps 1 6 to define the opposite limit lower gt upper 8 Click on the button Calculated Passed Failed in the Worksheets Calculated Passed Failed H W x ribbon select the measurement function and assign the Low High limits i e the corresponding items PASSED from steps 1 7 9 Optionally click on the button in the top bar of t
135. ew project name Ctrl V pastes the copied item to the Hardware Wiring or Worksheets view respectively FS run single execution of active measurements of all connected FX100 instruments F6 run repeated execution of active measurements of all connected FX100 instruments F8 abort measurement Right click in WorkArea opens a pop up menu with the buttons of the Worksheets ribbon Specific panels Panel Shortcut Effect Harmonics properties Shift Select all harmonics between two selected ones e g click on 5 then lt Shift gt 10 gt automatically activates harmonics 6 7 8 9 too Ctrl Exclusively activates the selected harmonic e all other harmonics are deactivated Tolerance graph editor Shift When moving a point within the graph only its X value can be amended while the Y value is kept Ctrl When moving a point within the graph only its Y value can be amended while the X value is kept Alt Snap to whole numbers both in X Y direction StepSweep GlideSweep Shift When moving a point within the graph only its X value can amplitude profile editor be amended while the Y value is kept Ctrl When moving a point within the graph only its Y value can be amended while the X value is kept Alt Snap to whole numbers both in X Y direction Level value editor F4 Opens drop down menu with available measurement units left mouse button Hold left mouse button while using the scroll wheel gt the level values are amended in value ste
136. fference between two measurement curves Calculate the difference between two frequency response curves that have been acquired at different microphone positions A Curve Curve2 Step 1 Test setup Establish the internal and external connections between the FX100 instrument the DUT Device Under Test and the two microphones Meneric Amplifier 1 gt i H e Controller FX 1 Analog Analyzer kh Analog Generator Step 2 Adjust the test parameters e Enter the appropriate generator analyzer settings e g GlideSweep output level amp input range e Activate the required measurements i e chn1 level chn2 level 2015 NTi Audio AG MBe 206 FX Control User Manual Step 3 Establish the calculation e Click on the New calculation button in the worksheets ribbon e Add the level impedance measurements as data sources e Enter the formula that calculates the difference Level1 Level2 e Assign the measurement unit dBV to the calculated result Calculation Item Calculation Item Name Curve Subtraction ot filem asun ein Levez K 1 Measurement Glidesweep Level Ch2 aX Formula Leveli tevelz rl Result unit dev Errors e Add to current view OK Cancel gt Consequently a result display is opened on the worksheet that shows the calculated difference GlideSweep Levell Level Levell Level NAVE TW
137. g Unit dB neighbored points directly via straight lines Limits Edit Data o Steps gt the displayed result curve is drawn by drawing Type Feed horizontal lines between neighbored points e Add Source gt click on this button to select and place another BE measurement on the worksheet Add Source Result display The Meter gain measurement results can be displayed either as a numerical value or in a bargraph Meter Gain Chi CR Meter Gain Ch1 4 712 dB 12 90 dB Min 13 46 5060 50100 200 300 500 200 1k Zk 3k 4k Sk6k 8k 10k Hz 2015 NTi Audio AG MBe 156 FX Control User Manual 8 4 5 THD THDN harmonics FX100 supports three different harmonic distortion s measurements i THD Total Harmonic Distortion gt the sum of all harmonic distortions ii THDN Total Harmonic Distortion Noise gt the sum of all harmonic distortions noise iii Harmonics gt the sum of a user defined selection of harmonic distortions up to six simultaneous harmonics measurements per channel are supported NOTE If the distortion of an externally generated test signal is to be measured the analyzer synchronization must be switched to External The THD measurement result can be calculated according to IEC or IEEE Level dB gi a 1000 2000 TET 4000 7000 80 3000 10000 THD THDN properties Properties e Header gt editable name of the THD THDN measurement display Header e Sources g
138. gInterpolation at 10k LogLogInterpolation at 10k 3 4641 V 3 5409 V The numerical values below the graphs represent the linear interpolation of the level 10 kHz of the corresponding graph The differences between the numerical results come from the fact that e the displayed result curves green lines are drawn by directly connecting neighbored points blue circles e the interpolated result red arrows is acquired graphically Hint Each of the shown curves or numerical results is correct but only in conjunction with the corresponding scaling 2015 NTi Audio AG MBe 270 FX Control User Manual 12 4 External signal analysis FX100 can be used to analyze test signals that have been generated by an external device e g MP3 player PC eBook reader etc A External Meter measurement i Select external Meter synchronization gt the FX100 analyzer automatically acquires the incoming signal in wideband mode li Activate the required measurement s iii Acquire the measurement s in a single shot or continuously Meter Lewel Chi 17 121 dBV B External StepSweep analysis i Switch the analyzer StepSweep synchronization to external ii Align the start stop frequencies of the FX100 analyzer to the bandwidth of the externally generated StepSweep iii Define the StepSweep timeout if no stable input signal comes in after initiating the measurement FX100 will abort the acquisition after expiration of
139. he BarGraph Display button in the worksheets ribbon and select the required measurement Example Metes Frequency Chi wi x Right click on the bargraph to i de activate the measurement 1000 026 Hz ii amend the measurement unit Min 994 8412 AE DN iii show the tolerance limit green bar iv show the min max results numerically and graphically grey bar v reset the min max results display vi activate the auto scaling or edit the scaling manually Hint The numerical result will be shown in green or red ciphers depending whether the measurement is within or beyond the tolerance limits 8 6 3 Graph The acquired FFT or sweep measurement results are displayed as curves in a standard Line Graph or a Line Graph Collector NOTE A graph can host the result curves of simultaneously acquired measurements e g level chn1 and chn 2 or THD and Harmonics but not of measurements with different Y axis unit A PASSI FAIL tolerance that is defined for a specific measurement applies on every line graph and line graph collector of the measurement Line Graph a The line graph displays the last recorded measurement curve kept curves optional Sen Lawe Chi and with the active tolerance limits GlideSweep Level Ch1 e Read out the data of any measurement point gt move the cursor over the curve e Keep the last recorded curve gt right click on the curve and select Keep Curve FX 1 Measure
140. he Passed Failed panel to show Calculated Passed Failed e tolerance limits green band e last acquired result curve green line e failed measurement points green rectangles 40 100 200 300 500700 ik 2k 3k 4k5k 7k 10k Hz 2015 NTi Audio AG MBe 228 FX Control User Manual 10 Sequences The sequence feature is accessible via the Start ribbon Sp Start View Wiring Worksheets Logging Help 51 FFT Co New gt Copy Del g Clear GF Ren E Run gt single ij Repeat Step Sweep P A sequence can be described as the automated execution of consecutive states and steps which have been edited by the operator e g e customized measurements Meter StepSweep or GlideSweep e interactions with the user e g prompt input request e program calls e g run executable e delays e activate a specific sheet i e bring it to the front view e data outputs processing of manually entered or measured values e build reports exports selected data to a document The states steps can be arranged arbitrarily within a sequence and are executed in the defined order whereby e the wiring applies globally on all states of the sequence e the routing e g active I O channels can be defined individually for every state e the generator analyzer settings e g output level active filters and measurement functions are activated individually for every state whereby the p
141. heet 2015 NTi Audio AG MBe Measurements results calculations o The level measurement results can be displayed either e as numerical value Meter mode e ina bargraph Meter mode e ina graph StepSweep or GlideSweep mode Meter Level Chi Meber Level Chi 31 42 dBV Min 104 5 Max 31 42 60 GlideSweep Level Ch1 60 20 30 4050 70 100 200 300 500700 ik 2k 3k Hz 2015 NTi Audio AG MBe 150 FX Control User Manual 8 4 3 FFT The FFT scope measurements are only available in the Meter mode A Spectrum analysis frequency domain Meter FFT Ch1 AN Ti D 56 10 2030 50 100 200 500 ik 2k3k Sk 10k 20k 80k Hz B Scope mode time domain Meter FFI Ch1 0 004 0 006 0 008 2015 NTi Audio AG MBe Measurements results calculations 151 e Header gt editable name of the FFT measurement display Header e Sources gt measurement function Meter FFT Ch1 o Clear the l checkbox to hide the corresponding curve in the graph Sources a v FX 1 Measurement Ex E H o Click on the button to amend the measurement function Active On e Domain Frequency Window Blackman Harris Unit dBW Limits Edit Data Type Fixed Size Bk Points 312 Detector Type Max Peak Spacing Logarithmic Start 5 000000 Hz Stop 80000 00 Hz Average Type OT o Click on the XK button to delete the corresponding curv
142. ically synchronize the internal FX100 clock with the PC e Trace usb traffic tick this checkbox to save a trace of the USB communication between the PC and FX100 in a file 2015 NTi Audio AG MBe Software 55 Open a new existing project Exit save a project Following general rules apply when you start FX Control open a new or an existing project or when you exit or save an open project L Start FXControl gt FX Control copies all current settings of the connected FX100 li New Project gt FX Control clears all items from the WorkArea and resets all FX100 settings to the default values iii Open Project gt FX Control loads the WorkArea status and the FX100 settings from the project file iv Exit Project gt FXControl prompts the user to confirm whether the current project status shall be saved or not Hint this interaction can be disabled see above Save Project gt FX Control saves the current project status under the current name vl Save Project As gt FX Control saves the current project status under a new custom defined name 2015 NTi Audio AG MBe KH FX Control User Manual 3 3 Quick access toolbar The Quick access toolbar provides a direct access to preferred buttons and features It can be customized as follows to meet your individual needs e Left click on the arrow on the right hand side to open the pull down menu Then select the required feature e Right click on any button in the ri
143. ight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the worksheet Example 1 Size blocklength No of displayed Points and Resolution Level dB 11 72 Hz resolution Points 4096 displayed f Hz 5 6 78310 20 30 40 5060 80 100 200 300 500 800 1k 2k 3k 4k Sk 6k ak 10k 20k 30k 40k Bak 80k Size 16384 samples FFT calculation base 2015 NTi Audio AG MBe Measurements results calculations 153 Example 2 Detector Type Max Peak vs Power Meber FFT Ch1 Level 1 kHz Es Energy E V 2 A2 kHz _ gt al oe RY 40 50 60 7080 100 200 300 400 500600 ik 2k 3k 4k Sk 6k 7k Sk 10k 20k Hz Pink Curve Max Peak 512 Points each point of the curve shows the voltage at the corresponding frequency Green curve Power 10 Points the displayed values represent the energy in the corresponding frequency band 2015 NTi Audio AG MBe CH FX Control User Manual 8 44 Gain The ratio between the generated output level and the measured input level of the same channel gives the gain yV V Gain 20108 m aB m 100126 Vout Vout FX ANA Hint The link between the analyzer and the generator is established internally i e there is no need for an external connection Properties Properties Cl e Header gt edita
144. ing GO D Active Speaker 1 Mic Controller d O a 5 E SZ nee NK E e En ON BAL ZS a o E E UL CH2 a CH2 Wiring for active 3way loudspeak er test CH D CH D 2015 NTi Audio AG MBe Sequences 247 States State 1 Woofer Level Ch1 i x 7 Channel i 3 000 dev E Bandwidth B0kHz Frequency Spacing Logarithmic Start 5 000000 Hz Glidesweep Level Chi Stop 200 0000 Hz Fadein Length Fadeout Total Length Max Length 20 30 40 5060 80100 Hz GlideSweep PureSound Chi Band1 egen 60 20 30 405060 80100 20 30 405060 80100 Hz Hz 2015 NTi Audio AG MBe 248 FX Control User Manual State 2 Midrange driver Sheet 1 Sheet 2 Sheet 3 Lewel Chi KA E Channel 1 6 000 dev on Bandwidth sokHz gt Frequency Spacing Logarithmic Start 100 0000 Hz GlideSweep Level Ch1 lt Stop 15000 00 Hz Fadein Length Fadeout Total Length 70 Max Length 100 200300 500700 ik 2k 3k 4k5k 7k 10k Hz Highest Harmonic 32 GlideSweep PureSound cht Band1 52 Glidesweep THD Chi a EN 200 300 500700 ik k 3k 4k5k 7k 10k 100 200 300 500700 ik 2k 3k 4k5k 7k 10k Hz Hz 2015 NTi Audio AG MBe Sequences 249 State 3 Tweeter Level Chi O GlideSweep channel 5 000 dev on Spacing Start 1500 000 Hz GlideSweep Level Ch1 Stop 20000 00 Hz Fadein Length Fadeout T
145. ing for the specific measurement function s o Normal settling is active o Off gt settling is deactivated e Active Ch gt activate or deactivate the settling for a specific channel e Algorithm select the settling method o Exponential gt the tolerance band gets wider as more samples are acquired o Flat the width of the tolerance band is fixed i e identical limits for all acquired samples e Tolerance gt the acceptable headroom expressed in dB or Yo between the last acquired sample and the upper lower tolerance limit e Sample gt the number of samples that must be within the tolerance limits to fulfill the settling condition e Floor gt minimum signal level that a sample must have to be considered for the settling process e Noise gt the inherent noise of the connected device s or analyzer is added to the acquired result thus widening the acceptance criterion 2015 NTi Audio AG MBe EOS FX Control User Manual Example cycle gt gt i i E i Signal Delay _ A E l i i i level 1 Timeout A I i IN i i Ma l A ab l a i i Tee m i Seed nn Fi hahaa E ka O Fy pan ate e ee ee 0 i Kos on Ze Valid result K y ORK NN 1 ii OF i i b Time Previous settling New settling Settling condition Next settling process finished process starts OK gt valid result process starts Settling procedure Sample Comments Hx Hy HZ samples are not conside
146. ing the related result display on the worksheet Example GlideSweep level Example 1 Drag A drop from the tree e Look for the entry FX1 gt Generator gt Measurement gt GlideSweep gt Level gt Channel1 e Drag amp drop the panel to worksheet to activate the related measurement Example 2 Via the Worksheet ribbon e Click on the Line Graph button in the Worksheets ribbon e Activate the measurement function either a under the Tree tab click on Measurement gt GlideSweep gt Level gt Channel1 and press the OR button or 2015 NTi Audio AG MBe Worksheets A Hardware ngri 5 Generator E Analyzer E 8 Measurement ES Meter 100 ECH StepSweep 80 Level Chi K Channel i 0 000 dBW gt OFF Glide5weep Level Ch1 60 40 20 d 20 30 50 100 200 500 10002000 500010000 E Harmonics EH Puresound E Phase E Speakerlmpedance E Advanced A Calculation Items Line Graph select a Source Tree Measurement Functions El Fx 1 E Measurement Meter StepSweep E GlideSweep El Level Channel THD Harmonics PureSound Phase Speakerlmpedance A E 268 FX Control User Manual l a under the Measurement Functions tab select the line Device FX1 gt Select a Source Instrument StepSweep gt Type Level Channel 2 and confirm by clicking on the OK button Device Instrument Type FX 1 StepSweep Xtalk FX 1 StepSweep Xtalk Tree Measurement Functions FX
147. ipboard depend on the type of target program and the paste command pf Pastocommand Target program a press lt Ctrl gt lt V gt button b use paste special feature Text editor gt only numerical data gt only numerical data Spreadsheet or desktop puole hiha program gt only numerical data gt numerical data and graph 1 e g MS Excel 2 e g MS Word Hint Please refer also to the Full Resolution results export feature 2015 NTi Audio AG MBe 192 FX Control User Manual 8 6 4 Passed Failed display In order to add a PASSED FAILED display proceed as follows 1 Activate or select the related measurement 2 Define appropriate tolerance limits for the measurement 3 Place the Passed Failed display on the worksheet as follows either e left click on the button Passed Failed display in the Worksheets ribbon or e right click on the measurement function in the worksheets toolbox Properties Properties e Header gt editable name of the Passed Failed display Header e Source connected measurement function Meter Frequency Ch1 e Active gt switch to Off to de activate the measurement Source oe A FX 1 Measurement Meter Frequency Ch1 r e Limit Active Unit Hz Limit Low 999 Hz cera ao e Header Glidesweep Level Ch1 Source NOTE With the calculations feature it is possible to combine the outcome of several measurements in an overall Passed Failed display
148. iring auxiliary I O interface 21 ribbon 59 setup 70 WorkArea 49 Worksheets 49 61 arrange items 58 new sheet 61 ribbon 61 toolbox 69 vew 73 BS qe Xaxis scaling 269 XLR 82 analyzer 27 digital analyzer 29 digital generator 29 generator 25 input switcher 44 output switcher 42 XTalk 163 290 FX Control User Manual Y Y axis scaling 269 Dk a Zoom in out 58 slider 49 70 73 2015 NTi Audio AG MBe Notes 2015 NTi Audio AG MBe io Speaker GES rw J SE Gotgux ia JOGOS Do uuy a _ Wi i ecurpeduy TA parde from Ampliar HE E Heiser ach 9 Ox lo Speaker
149. l or a single entity and NTi Audio AG ONT Audio By installing or using the NTi Audio software content or documentation collectively the NTi Audio software accompanying this EULA you accept these terms and are consequently bound to them If you do not agree to the terms of this EULA do not install or use the NTi Audio software The NTi Audio software is licensed not sold to you by NTi Audio for use only under the terms of this license agreement This EULA only gives you some rights to use the software You may use the software only as expressly permitted in this EULA This EULA also applies for all upgrades or updates to the NTi Audio software if any supplements internet based services and support services for this NTi Audio software unless other terms accompany those items If so those terms will govern License Uses and Restrictions A Software Installation Subject to the terms and conditions of this license agreement you are granted a limited non exclusive license to use and run the NTi Audio software Data transfer from a FX100 Audio analyzer to the NTi Audio software is only enabled if the corresponding license is installed on the analyzer B No Reverse Engineering You may not and you agree not to or to enable others to copy except as expressly permitted by this license agreement or by the usage rules if they are applicable to you publish distribute decompile reverse engineer disassemble attempt to derive
150. lideSweep Range Chi 6 399 dBVp Chi 7 981 dBVp Hint The acquired GlideSweep range can be kept by saving it in a project together with the current system settings 2015 NTi Audio AG MBe EOS FX Control User Manual 7 3 Generator equalization The generator equalization is used to calibrate the FX100 output signal so that it compensates for the characteristics of the downstream device s Hint Maximum equalization range is 60 dB Recommended procedure 1 Establish the test setup and the corresponding Hardware amp Wiring schematic 2 If required temporarily amend the wiring to allow equalization of the target parameter see Example 3 Click on SF Senerator Equalization n the Worksheets ribbon select the FX100 Device being employed and confirm OK gt the Generator Equalization panel opens 4 Adjust the generator amp analyzer properties according to the setup and your equalization requirements e g o The generator channel to be equalized StepSweep or GlideSweep parameters respectively e g spacing bandwidth number of points The Start level and the maximum allowed generator output level for the regulation process The analyzer channel that is used for the feedback measurement Analyzer parameters e g reference frequency amp level acceptance range max number of iterations O O O The sweep mode s for which the equalization results are required NOTE GlideSweep equalization data can be
151. limit Curves 2015 NTi Audio AG MBe 214 FX Control User Manual Calculation Items Reference Smoothed FR Q Deviation O Limit HI O Limit LO GlideSweep Level Ch 2k 3k 4k5k6k 8ki0k f Hz f Add a Calculated Passed Failed item and select the measurement function as input and the two custom curves as Limit High Limit Low Calculated Passed Failed Calculated Passed Failed Name Calculated Passed Failed ini i Measurement GlideSweep Level Ch2 4 Limit High Limit HI q x Limit Low Limit LO X Axis Auto e Y Axis Auto Errors ka Add to current view OK Cancel g Every further measurement will be consequently checked against the two limit curves and the outcome displayed via the Calculated Passed Failed panel Calculated Passed Failed 46 100 200 300 500 8001k 2k 3k 4k5k6k 8k10k Hz 2015 NTi Audio AG MBe 216 FX Control User Manual 9 Tolerance limits A measured or calculated result can be checked against user defined tolerance limits thus providing a PASS FAIL classification Tolerance limits e can be edited amp applied for Meter or StepSweep GlideSweep measurements or calculated results e can be defined as absolute or relative values e are adaptive to the type of measurement e g distortion only upper limits e in a sequence can only be edited if the corresponding state is active i e selected e
152. lity negligence or other tort to the extent permitted by applicable law It also applies if NTi Audio knew or should have known about the possibility of the damages B The NTi Audio software and services are provided as is i e with all faults You bear the sole risk of using it Ni Audio gives no express warranties guarantees or conditions NTi Audio excludes the implied warranties of merchantability fitness for a particular purpose and non infringement C You acknowledge that the NTi Audio software and services are not intended or suitable for use in situations or envronments where the failure or time delays of or errors or inaccuracies in the content data or information provided by the NTi Audio software or services could lead to death personal injury or severe physical or environmental damage including without limitation the operation of nuclear facilities aircraft navigation or communication systems air traffic control life support or weapons systems D No oral or written information or advice given by NTi Audio or an NTi Audio authorized representative shall create a warranty Should the NTi Audio software or services prove defective you assume the entire costs of all necessary servicing repair or correction 2015 NTi Audio AG MBe nm FX Control User Manual E In no event shall NTi Audio be liable for personal injury or any incidental special indirect or consequential damages whatsoever including without limi
153. ll be displayed to the operator 2 Click on OR to confirm your definitions Input execution during a sequence Input 1 xj e Operator takes no action gt sequence remains halted Enter serial number e Operator enters string and clicks on OK gt the software internally stores the entered string and continues executing the sequence e Operator clicks on Cancel gt sequence is stopped aborted Program Bah Kaba ah Aak en ae x S 5 HI Gd LU rogram identified by a Command The Command may include argument s The sequence Step Name Calculate RTA may be halted during the program Command C Program Files RTAZFFT FFT2RTA exe execution Furthermore the sequence can be aborted canceled if the Arguments c Users Documents FX Control CSV 1 command exit code is not zero 0 A Wait for Program to Exit 1 Select the menu Program and optionally re name the Step Name 2 Enter the command line i e o manually enter or paste the required command line string or o click on the El button and select the executable v the explorer 3 Optionally enter the argument s i e o manually enter or paste the required string or o click on the H button and select one of the listed arguments 4 Optionally tick the checkbox Wait for Program to Exit if the sequence shall be halted until the execution of the external program is finished 5 Click on OR to confirm your definitions Program execution d
154. ly available for calculation items fraction of full scale for digital Audio fraction of full scale peak for digital Audio Hertz for frequency measurements Meter distance only available for calculation items Millivolt per Pascal microphone sensitivity Ohm for impedance measurements Pascal per Second for PureSound measurements percent full scale for digital Audio percent full scale peak for digital Audio Rad for Phase measurements Second time Volt for Voltage measurements Volt peak for Voltage measurements Volt per Second for PureSound measurements Watt electric power only available for calculation items b Relative units dB dBr Tol ppm ppmr The results of some measurement functions can be displayed either in an absolute or relative unit e g Level gt V or dBu dBV THD gt V or dB The corresponding sweep curves can therefore vary significantly in their shapes decibel Hint decibel relative percent percent tolerance parts per million parts per million relative 2015 NTi Audio AG MBe a82 FX Control User Manual 8 5 Measurement execution The active measurements or a sequence can be initiated in three different ways i The user manually gives the start command via the PC keyboard see below ii An external device e g PLC or foot switch triggers the test via the auxiliary l O interface iii The user arms the F
155. m Type gt supported StepSweep test signal e Sine Sine e Fadein gt duration of generator fade in before the sweep starts e Source gt Table Table Set e Edit Data gt opens the panel that allows the definition of the table sweep frequency amplitude values Edit Table Set Data Ri Unit X Hz a Unit y dBv To v Convert Hz dBV 200 00 12 50 420 00 12 50 600 00 20 00 600 00 33 00 950 00 33 00 2800 00 33 00 1600 00 20 00 1400 00 46 00 20000 00 26 00 Add o ve gt Unit Y gt select the measurement unit for the level values gt To Convert gt this button changes the level measurement unit in which the table is expressed gt Add enter the required frequency amp level and click on the Add button to add a new point to the table gt moves the corresponding line upwards by one position within the table gt moves the corresponding line downwards by one position within the table gt H gt deletes the corresponding line from the table Hint The table values may be defined in any order i e rising and or decreasing o Copy Data gt copies the contents of the current table into the clipboard minimum V and Hz o Paste Data gt pastes the contents of the clipboard to the table thus it is possible to import the table values from an existing file e Start Tone On a 1 kHz start tone with fixed durati
156. ment GlideSweep Level Ch 1 Thus the curve and the related data is saved 4361 265 Hz 29 58 dBr 50 300 500 S001k 2k 3k Ak Sk6k 8k10k O in the graph ma Tua JV FX 1 Measurement GlideSweep Level Ch1 d r ES O n the proj ect fi le JV FX 1 Measurement GlideSweep Level Ch1 kept d r o and as a calculation item Frequency response line e Delete a curve gt right click on the curve and select Delete graph wth title tolerance e Copy the numeric data of the last recorded or a kept curve to the clipboard from limits kept curve cursor where it can be pasted for instance to a spreadsheet program gt right click on the readout and legend curve and select Copy Data e Amend the graph scaling right click on the graph and select Edit Scale Y Axis or X Axis NOTE Be careful when changing the scaling from linear to logarithmic or vice versa as this may compromise e g the result of a linear interpolation refer to chapter X Y axis scaling e Show Title gt adds the title of the measurement in the top line the title is thus included if the graph is copied or exported to a report e Show Legend gt adds a section below the graph that shows the name s unit and color s of the displayed curve s 2015 NTi Audio AG MBe 188 FX Control User Manual e Zoom in by moving the mouse over the area of interest while holding the left mouse button e Return to the full vew by double clicking on
157. n reference curve for deviation measurements i 16 30 5070100 200300 500 Hz ik 2k 3k 5k7ki0k 20k Green red curves user defined custom curves Q Previous Result Shows the last but one result curve the previous result curve can be shown in the same graph as the last i a actual result curve or in a separate graph 300 400 500 600700800 ik Hz Green curve last i e current measurement Pink curve last but one measurement 2015 NTi Audio AG MBe 202 FX Control User Manual KA Linear Fit StepSweep Level Ch2 Calculates a straight line that represents the optimum linear fit to the measured curve F Sample Rate Deviation Shows the deviation of the sample rate measured versus the standardized digital sampling rates whereby the input must be one of the following measurements e Frequency Deviation vs 48 kHz sample rate e AES input sample rate standard digital sampling frequencies are 32 kHz 44 1 kHz 48 kHz e Sync input sample rate 88 2 kHz 96 kHz 176 4 kHz 192 kHz NOTE The frequency measurement must be expressed in Hz BEES Curve Subrange 200 to 5000 Hz Extracts the data of a restricted user defined frequency band from within the full range of measured results 41 30 en 20 30 5070100 200300500 ik 2k 3k Sk7k10k 20k Hz Green dotted curve measured results Red curve selected subrange 200 Hz 5 kHz 2015 NTi Audio AG MBe 8 7 2 Operators units M
158. n either e manually by entering an appropriate range or e automatically via the GlideSweep Range regulator GlideSweepRange x Channel 1 3340 dBvp Channel 2 23 33 devp F 5 4 Coupling The FX100 input stage is AC coupled by default i e any DC signal component e g Phantom power that is present at the input connector will be filtered out AC coupl Alternatively the DC coupling can be activated so that a DC offset at the input connectors will also go into the measurement result o S e o c lt O gt LL Coupling Channel 1 DC Channel 2 AC Hint If the input is AC coupled a change of the bias to from 48 V 2 V or ICP may cause that the analyzer input capacitor gets charged which may take some time In this case the FX100 analyzer detects the charging process and applies a 1 2 s timeout in order to ensure a stable input signal and thus correct measurement result Consequently the overall measuring speed may be compromized in applications where the input connectors are repeatedly switched between different bias settings ICPO is a registered trademark of PCB Piezotronics 2015 NTi Audio AG MBe 104 FX Control User Manual 5 5 Bias The term Bias stands for an optional offset voltage or current that is applied to an input connector With the FX100 it is possible to activate different types of bias on input channels Off gt gt No bias default 2V gt Ph
159. n a bargraph Adds a Meter StepSweep or GlideSweep measurement display that shows the acquired result curve s and tolerance limits in a graph Line Graph 2015 NTi Audio AG MBe e FX Control User Manual Adds a graphical measurement result display that records all acquired result curves for example e all recorded FFT spectra Line Graph Collector all recorded StepSweep or GlideSweep curves Adds a display that shows the PASSED FAILED result of the related measurement NOTE The measurement must have tolerance limits set in order to implement a PASSED FAILED rating Adds a text panel to the active Worksheet x Properties with editable kea K e header Connect speaker to amplifier output and press F5 to start the test EH 12 e contents memo Connect speaker to amplifier output and press FS to start the test e font size e background color Calculation Items Hint Please refer also to the detailed description of the Calculation Items E e Upper section adds a new generic calculation item ee e Lower section provides access to the default calculation items New Calculation Calculated Passed Failed checks the output of another calculation item against the ee e user defined Pass Fail limits Een Overall Passed Failed combines the individual Passed Failed results of several Linear Interpolation calculation items naning Unit Converter shows the active measurement with a different unit of measurement
160. n be displayed or edited in two different ways NOTE Please observe the following restrictions e The number of transitions in a GlideSweep amplitude profile is limited to six 6 e Every transition is automatically smoothed by the system e Ifa transition gets too steep it will be shown as a dotted line together with the message Invalid Transitions a Graphical editing a Enable the amplitude profile for the requested generator channel via the generator GlideSweep properties b Click on the Edit button to open the GlideSweep Edit Profile Data panel The top line of the panel shows the GlideSweep parameters that may be amended e g if required due to the amplitude profile restrictions x Normalize GlideSweep Edit Profile Data Bandwidth 20kHz Start 200 0000 Hz Stop 8000 000 Hz Length 1 s 100 Right click on the graph and select Add Point then place the cursor at the required level frequency value and confirm with a left click d Amend the level frequency of a profile point by left clicking holding on it and moving it to the desired position e Click on the Normalize button to make sure that the level of the highest point s in the profile equals 100 f Click on the OK button to confirm the current profile amp close the panel Hint Please observe the aforementioned GlideSweep amplitude profile definition b Numerical editing 31 a Enable the amplitude profile for the requ
161. nds gt The six frequency bands of PureSound analyzes can be Bandi On e enabled On or disabled Off individually Unit Pa js e Unit gt the measurement unit in which the PureSound band result is WM 2 expressed Limit High als gt Pa s Band Off o V s Unit Fajs e Limit s Limit High Ee Pa s o High Meter mode gt enter the upper tolerance limit for the PureSound measurement o Edit Data GlideSweep mode gt edit the upper tolerance limits for the steepness analysis Properties Result display Meter or GlideSwee Header e Header gt editable name of the PureSound measurement display e Sources gt measurement function o Clear the l checkbox to hide the corresponding curve in the graph o Click on the button to amend the measurement function Bandi pd o Click on the button to delete the corresponding curve Unit o Click on the button to amend the curve color Limit High Pajs Format e BandX gt The six frequency bands of PureSound analyzes can be enabled On or disabled Off individually e Unit gt the measurement unit in which the PureSound band result is expressed Hint The selected measurement unit applies for all PureSound bands Properties a O Limit s Header o High Meter mode gt enter the upper tolerance limit for the GlideSweep PureSound Ch1 Band2 PureSound measurement o Edit Data GlideSweep mode gt edit the upper tolerance limits for Sou
162. new calculation item H the formula is incorrect an error message will appear 2015 NTi Audio AG MBe Level Calculation Item zip Calculation Item Name Power Add Parameter Tevet F ert ein Deech Ee lx Formula Levelt Levelt Imped2 Result Unit A Errors e Add to current view 197 198 FX Control User Manual Special hint Calculation of curves H two or more curves shall go into the same calculation they first have to be aligned regarding their X values i e number of points spacing This alignment is done as follows e Master curve Kl e Slave curve X2 e Command X2 LinearInterpolation X1 e Effect the X axis points of curve X2 are aligned to the X axis points of curve X1 wa linear interpolation Hint The interpolation is by default carried out logarithmically on the x axis and linearly on the y axis The interpolation of the AV avis can also be carried out in a different way via the following parameters a Xog Ylin X2 LinearInterpolation X1 eTolInterpolationType Logarithmic eTolInterpolationType Linear b Xog Ylog X2 LinearInterpolation X1 eTolInterpolationType Logarithmic eTolInterpolationType Logarithmic c Min Ylog X2 LinearInterpolation X1 eTolInterpolationType Linear eTolInterpolationType Lo garithmic d Xlin Ylin X2 LinearInterpolation X1 eTolInterpolationType Linear eTolInterpolationType Linear 2015 NTi Audio AG MBe Measurements results calcula
163. nged as floating dockable tabbed or auto hide The WorkArea can show either the Hardware amp Wiring view or the Worksheet view e Application project handling button e Quick customized key functions amp buttons access toolbar e Ribbon Standard operation features e Toolbox gt list of elements for the Hardware amp Wiring view or Worksheets e WorkArea design area for system wiring test settings and result displays e Properties individual properties of the selected item in the Toolbox or Hardware amp Wiring view or Worksheets 2015 NTi Audio AG MBe a FX Control User Manual Measuring modes Meter StepSweep GlideSweep Motor Lowel Ch1 SH XA Motor Frequenoy Ch1 ir 1259 819 Hz 35 19 dBV mma Ae kre de ig 3 Ari E T a War KA e 2 Steady state analysis of the incoming signal D E x MIA TA lt WAN L au a IK E Au H FX100 analyzer records incoming FX100 analyzer measures the GlideSweep calculates the incoming signal and plots the measurement results and plots results in a graph against frequency them in a graph level or time Hint All three measuring modes support the analysis of test signals that come from the FX100 generator or from an external device 2015 NTi Audio AG MBe Software 51 How to prepare a measurement The following instructions demonstrate the procedure to set up a measurement with FX100 Step 1 Edit the wiring e Click on
164. nnels Installed boards amp version e DSP firmware o Version 1 0 1 1 1 1 0 0 0 0 D D o Licenses installed e CPU firmware o Windows CE version o Image version o Bootloader version e Calibration o Date of last calibration o Due date of next calibration Hint Click on the button Request Support to open an e mail to NTi Audio service Thus you can e g request a demo license 2015 NTi Audio AG MBe e FX Control User Manual Opens the FX Control help file Opens a browser and connects to the NTi Audio homepage Homepage PC Software update Click on the Check for Updates button in the Help ribbon to check for a new FX Control software version Selected Current Version Tasks FX Control 2 0 0 Selected Device Name Serial Number Current Firmware Tasks FX 1 11000 2 2 0 202 No updates available Click on the Download button to install the new version or to store it on your PC Firmware update After startup the software automatically checks the status of FX Control as well as the connected FX100 Device assuming the PC is connected to the internet e If a new software or firmware version is available the user is informed accordingly A new Firmware is available Download e Click on Download to start the installation process Alternatively you can install a new FX100 firmware at any time as follows NOTE Please save your current project before starting the upgrade process
165. nput Deviation A v Repeat steps 8 to 10 but select the Dewation item Lit Lowe ae as Input Limit High High x X Axis Auto Y Axis Auto D Errors 7 Add to current view OK Cancel 2015 NTi Audio AG MBe 224 FX Control User Manual Click on the Ed button in the top bar of the Passed Failed panel to show the normalized result graph with the tolerance band and the failed measurement points vi Calculated Passed Failed D 2 4 6 8 0 1 12 20 30 4050 70 100 B Software limits based on multiple reference samples 1 Adjust the generator settings and place a Line Graph Collector of the required measurement function in the WorkArea In the properties of the Line Graph Collector click on the button Create Calculation ltem then select Max Min Mean or RMS and enter the or tolerance headroom for the High or Low limit respectively If required repeat step 2 for an alternate limit Click on the button Calculated Passed Failed in the Worksheets ribbon select the measurement function and assign the Low High limits i e the corresponding items from steps 2 3 Glide5weep Level Ch2 200 300 400500 Create Calculation Item o x Function Max v Displacement 30 Kept Curve Name Ing ces Calculated Passed Failed 800 ik Rb WK 200 300 500700 ik Hz 2k 3k 4k5k 7k 10k oN Fi 4k Sk 6k7k8k 10k Create Calc
166. number of times the PureSound test is repeated if the measurement results exceed the tolerance limits The system then compares the data of the executed cycles to eliminate all non recurring peaks e g stochastic ambient noise and thus considers only systematic events refer to measurement function PureSound NOTE The Max Runs feature is only available in the synchronization mode Generator Time Window The time window allows to limit the impulse response measurement in order to exclude the impact of room reflections on the frequency response The reflections that occur in a reverberant room can thus be filtered out by limiting the acquired impulse response of the system e Position gt end point of the time window expressed in milliseconds ms or meters m or feet ft Hint The conversion distance gt time refers to the ambient temperature that is defined via the toolbar Advanced gt General e Active Channels gt enable or disable the time window for the corresponding analyzer channel s e Adjust gt click on this button to open the panel Adjust Time Window 2015 NTi Audio AG MBe Analyzer settings 115 Adjust Time Window The panel contains two graphs i the ETC or Impulse response graph with the adjustable end point of the time window vertical red bar ii the Level curve i e the frequency response that represents the impact of the impulse response time window In other words if the time window
167. o tolerance limits shall be 3500 00 IT am m applied Side gei i MIME a corresponding point i e 7900 00 E y measurement results beyond 0 00 0 00 1 Edit Tolerances Data that point are always rated don t care If another tolerance limit is added at a higher frequency the tolerance band continues from that point onwards The tolerance limit with the highest frequency has always a ShapeEnd iv Add the Low tolerance limits if applicable v Click on OK to terminate the definition process 4 Execute a measurement to display the edited tolerance limit and to verify if the recorded curve is within the limits i PASSED 5 Add a Passed Failed display and link it to the measurement to show the outcome of the test Glide5weep Level Ch1 GlideSweep Level Chi i x 40 200 300 500 700 1000 2000 3000 5000 000 Hz 2015 NTi Audio AG MBe Tolerance limits 219 B Relative tolerance limits B1 Limits based on a single GlideSweep Level Ch2 Golden Sample 1 Place the measurement graph in the WorkArea and acquire the reference measurement s by using a single Golden sample 2 Keep the recorded curve and optionally rename it e g Golden Sample 200 300 500 2k 3k 4k Sk6k 8k 10k 3 Create a generic Calculation item via remeras 4 EI the Worksheets ribbon optionally Calculation Item Calculation Item rename it e g High or Low click on
168. of the dominant input signal Freq Spacing 5 000000 e External Sweep only accessible with synchronization source Fane 40 00 External AAA IIA e Sense Channel gt active input channel Acquisition GenTrack e Freq Spacing gt minimum frequency difference that is required to be accepted as a new step source Frequency ee e Timeout gt the data acquisition is automatically aborted if no stable Freque l l E O a sine signal step of an externally generated StepSweep is received 20000 00 Hz within this period max 120 sec 20 00000 Hz e Acquisition only accessible with synchronization source Generator o Wideband gt the analyzes looks for the dominant frequency in the incoming signal regardless of the actual generated sweep frequency o GenTrack gt the analyzer is directly linked to the FX100 generator and thus measures only the actual sweep frequency e Type gt Frequency Amplitude Time or Table see above Frequency only accessible with synchronization source External e Start gt start frequency of the incoming StepSweep e g 20 Hz Start frequency may be gt Stop frequency e Stop gt end frequency of the incoming StepSweep e g 20 kHz Stop frequency may be gt Start frequency Hint In case of an externally generated StepSweep the step duration depends on the start frequency Start frequency 10 Hz gt 1 second step duration Start frequency 2 20 Hz gt 0 5 second step duration 2015 NTi Audio AG
169. olor Active e Active Unit v o On gt measurement is active Limit Low V o Off gt measurement is inactive Limit High V e Unit Volt Format e Limit o Low gt optionally enter the lower tolerance limit for the DCV measurement o High gt optionally enter the upper tolerance limit for the DCV measurement e Format gt the format in which the numerical results are displayed Result display The DCV results can be displayed either as a numerical value or in a bargraph Meter DCV Ch H Meter DCV Ch2 8 1746 V 2015 NTi Audio AG MBe 170 FX Control User Manual 8 4 10 DCR For a DCR measurement the analyzer generates a constant current to measure the voltage across the DUT Device Under Test Test setup amp execution Establish a link between the DUT input and the connectors of the analyzer channel Switch the analyzer coupling to DC Adjust the bias of the board that is directly connected to the DUT input i e o FXANA gt bias DCR 5k range or DCR 100k range o FXSIL gt DCR 32E range o FXSIH gt DCR 4E range Place a DCR measurement display on the Worksheet and start the measurement Hint Since DCR and the AC impedance measurements require different settings they must be executed sequentially Example A Measure the DC input impedance of a DUT that is directly connected to the FX100 generator output 1 Switch to the Hardware amp Wiring view Generic 1 01 2
170. on OK Optionally repeat steps 4 to 6 to create the opposite limit Open a Calculated Passed Failed gt the Calculated Passed Failed pop up opens Click on the button on the right hand side of the line labeled Input and select the active measurement Click on the buttons on the right hand side of the lines Limit Low High select the corresponding calculation items as defined in steps 4 to 7 and click 2k 3k 4k5k 7k 10k 30 40 50 60 70 80 90 100 110 120 20 30 4050 70 100 B Based on several measured C Based on a manually edited curve Calculated Passed Failed 200 300 500700 ik Hz ak 3k 4k5k 7k 10k Example Min Max of collected curves Example Microphone limits acc IEC dB 6 dB 61672 GlideSweep Level Ch1 200 300 500700 ik 2k 3k 4k5k 7k 10k Hz Calculation Item E EI Calculation Item Name High Add Parameter Xi Golden Sample X Formula pa 3 0 Result Unit dBV Errors Add to current view Calculation Item o xi Calculation Item Name Low Add Parameter Formula paso e Result Unit dBV Errors T Add to current view OK Cancel 2015 NTi Audio AG MBe Tolerance limits Calculated Passed Failed Calculated Passed Failed Name Calculated Passed Failed Input i Measurement GlideSweep Level Chi SI Limit Low ow aX Limit High High Xx xas maro Y A
171. on of 1 sec is generated prior to the StepSweep execution Hints The analyzer sweep parameters have to be defined via the Analyzer StepSweep properties The required StepSweep measurements have to be activated separately 2015 NTi Audio AG MBe Generator settings KEH Amplitude profile The StepSweep amplitude profile can be displayed and edited in two different ways a Graphical editing a Enable the amplitude profile for the requested generator channel va the Generator StepSweep properties b Click on the Edit button to open the StepSweep Edit Profile Data panel c Right click on the graph and select Add Point then place the cursor at the required level frequency value and confirm with a left click d Amend the level frequency of a profile point by left clicking holding on it and moving it to the desired position e Click on the Normalize button to make sure that the level of the highest point s in the profile equals 100 f Click on the OK button to confirm the current profile amp close the panel Hint Please observe the aforementioned StepSweep amplitude profile definition b Numerical editing Edit Pofile Data o A a Enable the amplitude profile for the requested generator channel via the Unit X Hz e Normalize vlepoweep properties hl D E generator StepSweep properties Hz b Click on the Edit button to open the StepSweep Edit Profile Data woo 70
172. on provides access to the properties of the installed options e OutSwitcher e InSwitcher e SpeakerlmpedanceLow e SpeakerlmpedanceHigh Example FX SIL e Amplifierln gt Speakon IN connected to amplifier output e Protected gt Speakon IN disconnected from internal circuit e g due to an overflow SpeakerImpedanceLow 1 Ren Source e DCR32ERange gt internal current source of the SIL is active it is possible to Channel A AmplifierIn measure the DC impedance of the connected DUT Device Under Test in the Channel B DCR32ERange e range from 1 5 to 1500 Q 11 3 General HE e Language gt select the language of the FX Control menu entries Language English O English EE IEC A e Distortion gt select the calculation method for the Total Harmonic Distortion THD a 25 000 Dege zl measurement see below HeadPhone Se a A Monitor o IEC Function Monitor Source 1 o IEEE a 8 000 de Ambient Temp gt enter the ambient temperature expressed in degree Celsius C or Fahrenheit F required for the time window calculation HeadPhone gt provides access to the operation of the headphone jack e Function o Monitor gt the signal behind the input filter stage e g A weighted or Lowpass filtered etc o PureSound gt the input signal behind the PureSound bandpass filters e Source gt input channel number 1 2 3 or 4 e Volume gt output signal volume 80 39 5 dB Tot
173. onfirm your selection Hint Using the Build Report requires advanced understanding of the program in which the template has been established please refer to chapter Template for build report 2015 NTi Audio AG MBe 240 FX Control User Manual Aux Input The sequence execution automatically TH halts at every Aux Input step and waits anak A o Y until the corresponding OK Bit is set via Step Name Auxinput 1 the auxiliary I O interface Text FX100 is waiting for an Aux Input signal Press OK to continue or Cancel to abort the sequence 1 Optionally edit the Step Name or Text i e the title or message of the Aux Input dialog box 2 Select the OK Bu input pin 1 8 and the Type positive or negative OK Bit 8 7 65 4 3 2 1 Type _r Positive Edge edge of the input signal 20000000 3 Optionally tick the checkbox Cancel Bit and select an input pin and Type Ka sadaka ES Negative Edge y CCCCCfGSC to allow aborting the seguence via the auxiliary I O interface Hint If the Cancel Bit is assigned Cancel to the same pin as the OK Bit it is overruled by the latter A Click on OK to confirm Hint Assoon as the sequence execution halts the Aux Input il dialog box pops up as long as FX100 is waiting for an Aux Input signal the FX100 is waiting for the Press OK to continue or Cancel to abort the sequence Aux Input The o
174. operties i e adjustable parameters Click on any item in a Toolbox or the WorkArea to show these properties and get access to the editable parameters Example 1 Froperies H 20kHz A U l j Logarithmic 20kHz 20 00000 Hz GlideSweep AAA A 20000 00 Hz Logarithmic Start 20 00000 Hz i Stop 20000 00 Hz Fadein Length Fadeout Total Length Max Length Highest Harmonic 35 Generator GlideSweep panel and properties Hints Click on the ka button in the panel or on in the properties section to show all available properties The properties section is directly linked to the related panel i e amending a parameter in either place is amended immediately in the other 2015 NTi Audio AG MBe Example 3 FX Control User Manual 100 030 50 100 200 e X Properties Header Glidesweep Levell Ch1 Sources a fy FX 1 Measurement Glid idi On e dBW 500 ik 2k3k Sk 10k Hz Edit Data GlideSweep frequency response graph and properties Properties Slot 5 Adc 1 00029 E 2 Analog Ana Channel 1 EE Bias Settling EE MicSensitiwity as Shunt Resistor 1 0000 oe F Voltage Divider gi Analog Ana Channel 2 ar Bias Y Bias Settling EE MicSensitivity 10 00 mv Pa y Shunt Resistor 20 0000hm Voltage Divider 4 93 Properties of the analyzer board 2015 NTi Audio AG MBe 3 14 Trace 09 19 25 09 19 15 09 19 09 09
175. optional 6 Activate amp customize the result data logging 1 Wiring Single transducer test setup gt eneric Amplifier 1 S Passive Speaker 1 Pull wire link from one connector to another one Controller E i og Generator ai d lo FY Right click on N NG l internally d Recommended wring for single transducer test wth SIL option 2015 NTi Audio AG MBe 264 FX Control User Manual Dual transducer test setup parallel analysis Pase Speaker 1 Mic 2010 1 qd O Pive Speaker 2 Mic 2019 1 Ampli fler 1 SZ ER speaker Impe Recommended wiring for parallel testing of two transducers wth SIL option Dual transducer test setup Sequential analysis gt OPPS FA4 Ame qd O assive Speaks Mic 2010 1 Analog Generator OFF BAL e Analog Analyzer JL Passive Speaker 2 Mic 2010 2 Recommended wiring for sequential alternating testing of two transducers wth SIL option 2015 NTi Audio AG MBe Application hints 265 2 Test signal parameters measurements FX Control supports two different approaches to select amp adjust the generator settings test parameters and measurement functions 1 via the
176. or distortion response measurement may occur b If an acoustically coupled external GlideSweep analysis is executed in the presence of loud ambient noise the measurement of the header s sample rate may be compromised This can negatively affect the result of the signal latency measurement Consequently the analyzer sample rate adjustment shall be turned Off in a very noisy environment 2015 NTi Audio AG MBe Application hints 273 12 5 Measurement speed The following list provides general hints on speeding up your measurement s However keep in mind that every setup must be considered individually to achieve optimum results General hints e Use GlideSweep rather than StepSweep measurements e Avoid to repeatedly altering the input bias e Avoid the logging format XLSx StepSweep e Switch Analyzer synchronization to Generator e Minimize the number of points e Adjust the start frequency gt stop frequency e Switch the settling OFF GlideSweep e Minimize the GlideSweep length i e duration 12 6 Template for build report The chapter describes the procedure to establish a template for build reports under MS Word If you prefer another desktop publisher program please proceed accordingly Hint Please contact NTi Audio if your need further assistance to establish a Build report Step 1 i Under MS Word open a new document and name it this will become your template file li Format the document according to your demands e
177. or the Worksheets H WK Channel 1 33 50 mv Pa Channel 2 28 90 mV Pa 2015 NTi Audio AG MBe Analyzer settings 105 5 7 Reference dBr The panel allows to manually enter the reference value for the dBr level distortion measurements sd Supported measurement units and ranges of the reference value Channel 1 1 2500 V e Volt 0 0001 uV 10 MV annei 1 2000 e dBV 200 200 dBV Channel 2 2 500 dBv l l SCH e dBPa range depends on microphone sensitivity e dBSPL range depends on microphone sensitivity e dBu 197 8 202 2 dBu Hint Alternatively you may press Ctrl 1 or 2 or right click on the Meter Level panel in order to assign the actual input level of channel 1 or 2 as the new reference level 5 8 Reference frequency Enter the reference value for frequency measurements expressed in ppmr The reference frequency is freely adjustable from 5 Hz to 80 kHz ReferenceFrequency FM x SE 1000 000 Hz H Hint Please refer also to the calculation item Sample Rate Deviation 2015 NTi Audio AG MBe 106 FX Control User Manual 5 9 Filter FX100 features a number of frequency weightings and filters Weighting e A weighting e C weighting A weighting C weighting HighPass filter e 10 Hz 22 4 Hz 100 Hz 300 Hz 400Hz LowPass filter e 3 4 kHz 8 kHz 15 kHz 20 kHz brickwall AES17 22 4 kHz 40 kHz 0 60 70 80 90100 200 300 400 500 60070080
178. orresponding channel is invalid Active bits LEDs represent the active bits of the embedded audio signal e g 18 bit 2015 NTi Audio AG MBe Digital 121 6 13 Channel status The AES channel status carries information associated with the digital audio data The FX AES board allows to e edit the channel status of the generated signal settings apply simultaneously on both output channels e analyze the channel status of the received signal independent analysis of the two input channels AES Channelsiatus 8 Mode Consumer or Professional Output Input Mode consumer Consumer mode Audio Mode audio Mode zl CES copy Audio Mode gt Audio or Data Emphasis NoPreEmphasis zl Category Code General Used temp zl Source Number oomtc re y Emphasis inactive or 50 15us Copyright gt active or inactive Channel Number Don t Care Max Audio Word Length Mazos wi Category code gt list of typical devices Audio Word Length NotIndicated y ae 7 1 e Source number gt Don t care or 1 15 Sample Frequency NotIndicated Clock Accuracy tevel1 50p0m e Channel number gt Don t care or A B Max Audio word length gt Max 20 or 24 bits Audio word length gt Notindicated or 16 17 18 19 20 bits Sample frequency gt Notindicated or 22 05 24 32 44 1 48 88 2 96 176 4 192 kHz Hint The indicated sample frequency does not have to match the actual sam
179. ot 170 Speaker IM PEC ANGE dnd Kd EA ANGE ANA Da in Ng DENE NGANG Ga Aa aaa gagak ng ANG aa Kak aa ai aaa 173 let ER CH 7 GE 176 Jl PUIS CFE SDOMS Garan aaa Ng aa aaa a a A KG E aa a aa na pa daa a EN NA a SNG a a aaa 177 3 KSE 178 AES INP UES Ali DIS Trate sasa dak aga abi gan a deene EES 179 Sync MND UES AM PIS TAE ate naak ka EE ere 180 2015 NTi Audio AG MBe 4 FX Control User Manual Part IX Part Xl 1 2 3 Part XII NO oF P W NY SELING aAA aaa ak aa anaa AN a 11 Measurement execution Continuous EE lt US REpeat eege Result display amp data handling Numerical IS TN Ge e CT e 1 SE Graph eene Passed Failed display DatalOGGinG eren deed Full resolution results Calcula eege Calculation Items usina Operators Unis is Calculation examples Tolerance limits RIAITR IT CH Software IM oi e e e e Sequences Establish a sequence EE o aaa a EENEG a e aka aia aa a ites a ut el ce E b 4 identical DUTS cata ia c 3 way loudspeaker d DCR impedance response e Octave band measurement Advanced Set Inte NEE Se Le SE General Ze Application hints Demo PFO OC CUS ini A EA E EU e WE External signal analysis Measurement speed KEEN EE Template for build report SMOMCUIS MOUSE Lak aan alaki a aaa BN E Wa KAN aka jana a A a BAN MEA EEE 4060 cion ee rere ene eee Part XIII Support Index 2015 NTi Audio AG MBe 6 FX Control User Manual 1 Introduction
180. otal Length Max Length 3k 4k 5k 6k7k8k 10k Hz Highest Harmonic 7 GlideSweep PureSound Chi Gand 53 Glidesweep THO Chi 68 2k 3k 4k Sk 6k 7k8k 10k 3k ak 5k 6k 7k8k 10k Hz Hz 2015 NTi Audio AG MBe 250 FX Control User Manual 10 3 4 d DCR impedance response Measure the DC resistance and the AC impedance response of a DUT Device Under Test gt The sequence comprises two steps whereby the FX100 analyzer coupling is switched to 1 DC for the DCR measurement 2 AC for the impedance response Wiring State 1 DCR measurement DUT linked directly to DC State 2 AC impedance shunt resistor linked to AC coupled analyzer coupled analyzer gt Generic Amplifier 1 Analog Analyzer Analog Analyrer he picar ES D States State 1 State 2 State 2 Del Run PI Level Chi H WK Coupling Ch2 Level Ch1 WK Coupling Ch2 Channel 1 12 00 dBv H on Channel 2 DC Channel 1 12 00 dBv gt on Channel 2 GlideSweep Frequency Channels SpkImpLow1 GlideSweep Frequency Channels SpkimpLow1 Spacing Logarithmic gt ii Spacing Logarithmic zl SpeakerImpedance1 Start 20 00000 Hz Start 20 00000 Hz o Channel A Amplifierin D Channel A Amplifierin D Stop 10000 00 Hz Stop 10000 00 Hz Channel 8 DCR32ERange Channel B Amplifierin Meter DCR Ch2 Bi x ca 7 0968 Ohm 7 0968 Ohm DOH 2 GlideSweep SpeakerImpedance Ch2 45 40 35 30 25 20 15 10 5 5 20 1000 2000 3
181. perator may then optionally force the sequence Cancel to continue i e FX100 does no longer wait for the Aux Input by pressing the OR button or cancel i e abort the sequence execution by pressing the Cancel button 2015 NTi Audio AG MBe Sequences zat Aux Output The software sets the status of the FX100 auxiliary I O interface pins as a a defined by the user Step Name Measurement results 1 Optionally edit the Step Name 2 Click a button below the numbers 1 8 and define the status of the corresponding bit o X gt don t care no change o 0 gt Output pin LO o 1 gt Output pin HI O select an active measurement or a Pass Fail calculation item from the list gt Output pin Boolean result Passed gt 1 Failed gt 0 Hint Only active measurements with a defined tolerance limit create a valid Boolean result otherwise they are ignored 3 Click on OR to confirm Hint To reset the auxiliary VO output you must add a em scil 2 separate Aux Output step that Step Name Reset Aux Output sets the output pins to the Bit BE 7 6 required values 0 or 71 of of of e mme 2015 NTi Audio AG MBe 242 FX Control User Manual 10 3 Examples The chapter provides practical examples and hints to setting up a test sequence a Basic amplifier test b Sequential analysis of 4 pcs identical DUTs c Stepwise verification of a 3 way loudspeake
182. plate File C UsersimbelDesktop Certificate doc El optionally edit the Step Name Output File s Input 1 2 Click on the El button and select Post Build Action open D the Template File to which the data shall be exported Cancel 3 Assign a name to the Output File Side note the Output File is a copy of the Template File to which e g the test results are written There are three alternatives to assign the name of the Output File I No name i e input box is left blank gt every time the sequence is executed a new Output File is created with the default name lt Step name gt lt Date gt lt Time gt li Fixed name e g Result Sheet gt every time the sequence is executed the one amp only Output File gets overwritten Side note requires the Post Build Action Print iii Indexed name e g Input x gt every time the sequence is executed an Output File is created with the indexed name Side note if the indexed name does not change the Output File gets overwritten Select the action to be executed as soon as the contents have been exported Open the Template File and enter the contents that shall be exported e g o the string that has been entered by the operator via the Input dialog gt Input x o the numerical results of a Meter measurement gt copy the string under Header from the properties of the measurement function and paste it to Output File 6 Click on OR to c
183. plate document ii Click on the Developer tab iii Add the required container elements that shall display the exported build report contents o Click on the Aa button to add a text container o Click on the I button to add a picture container iv Click on a container element that has been placed to the document and then on Properties in the Developer ribbon v Edit the title amp tag in the Content Control Properties Home i z Insert Page Layout ke Mailings Review Vie C Developer YA r Ga 5 h i 4 Transformation E E ES Li Group J Record Macro ES 119 Pause Recording Visual Macros Basic ges Document Template Templates Protect Document Protect Structure yo Expansion Packs AN Macro Security Code VK NS NS Ar d Picture Le Content control cannot be deleted Contents cannot be edited MS Word template wth Picture container and properties 2015 NTi Audio AG MBe Application hints 275 Step 4 L Swap to FXControl ll Click on the measurement panel that shall be exported to the document iii In the properties of this measurement panel copy the Header string ze A Properties Header 51 5tep5weep Level Ch1 Sources 51 5tep5weep Level Chi Header string of measurement panel 2015 NTi Audio AG MBe 2 6 FX Control User Manual Step 5 i Swap back to MS Word li Write
184. ple gt resolution 8 16 or 24 bits of the generated GlideSweep Click on the Generate button to create 4 save the GlideSweep sound file 2015 NTi Audio AG MBe Generator settings KH 4 7 Weighting The term weighting refers to the ability of FX100 to shape the level vs frequency of a generated StepSweep or GlideSweep There are two different weighting types for the following applications a Amplitude equalization Equalized Amplifier Flat driving gen level response signal The amplitude equalization compensates e g the characteristics of an external amplifier thus resulting in a flat frequency response at the speaker input pins refer to regulators generator equalization b Amplitude profile Maximum allowed driving voltage vs frequency Amplitude profiles are used to drive a transducer at its maximum allowed level over the frequency range refer to chapters StepSweep GlideSweep amplitude profile 2015 NTi Audio AG MBe Analyzer settings tor 9 Analyzer settings FX100 is able to analyze internally or externally generated Meter StepSweep or GlideSweep test signals Hint In case of external signal analysis special attention must be paid to properly synchronizing the analyzer To get access to the editable properties of the available input channels Analog e drag amp drop the required analyzer panels to the WorkArea or E e use the analyzer properties Channel 1 L ns
185. ple rate e Clock accuracy gt Level Level Level Ill Reserved Professional mode e Audio Mode gt Normal or NonAudio e Emphasis o Notindicated o None o 50 15us o CCITT J 17 e Frequency Mode gt Locked or Unlocked e Sample frequency gt Notindicated or 22 05 24 32 44 1 48 88 2 96 176 4 192 kHz Hint The indicated sample frequency does not have to match the actual sample rate e Scaling gt NoScaling or 1 1 001 e Channel mode gt list of typical modes e User Bits o Notindicated o 192 bit clock o Reserved o User Defined e Auxiliary Bits o Max 20 bit not defined o Max 24 bit main audio o Max 20 bit single coord o Reserved 2015 NTi Audio AG MBe 122 FX Control User Manual e Audio word length gt NotIndicated or 16 17 18 19 20 bits e Reference Signal o Not a ref signal o Grade 1 o Grade 2 o Reserved e CRC Valid Valid or Invalid 6 14 Sync input status The AES sync input status refers to the incoming clock signal of the Sync Ref Input AES SyncInputStatus SE e Carrier o Sync gt LED illuminates if the FX AES generator is synchronized to the external clock Sync Sample Rate Oh sez o Sample rate gt if the external clock has a standardized sample rate it is shown here Fags e Flags Audio Q Q o Audio gt LED illuminates in case of an AES 3ID clock o Video gt LED illuminates in case of a black burst video clock PAL or NTSC
186. ponding curve in the graph o Click on the button to amend the measurement function o Click on the Ix button to delete the corresponding curve o Click on the H button to amend the curve color e Active o On gt measurement is active o Off gt measurement is inactive e Unit gt the measurement unit in which the measured level shall be expressed o V dBV dBPa dBSPL dBu dBr O O O Hint With the dBr measurement you can compare the input signal to a user defined reference level e Limit s o Low Meter mode gt optionally enter the lower tolerance limit of the measurement o High Meter mode optionally enter the upper tolerance limit of the measurement o Edit Data Sweep mode optionally edit the tolerance limits of the measurement Hint lt is possible to enter no limit only the upper or the lower limit or both limits e Type gt not yet implemented absolute or floating tolerance limits e Format gt the format in which the numerical results are displayed e Color gt selectable color of the corresponding curve e Pen gt selectable line style of the corresponding curve e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly va straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the works
187. ports The USB A ports on the FX100 front panel and CPU board support the following features e Transfer of user defined sequence s from a PC to the instrument e FX100 firmware update NOTE The FX100 operating system automatically labels the 1st USB A that is connect as USB HD The 2nd USB A that is connected is labeled USB HD2 2 4 USB B port The USB B port on the CPU board is the standard link to the controller PC 2015 NTi Audio AG MBe Hardware 21 2 5 Auxiliary I O interface FX100 features a built in auxiliary I O interface that allows you to initiate measurements by an external trigger impulse or provide feedback on the measurement status amp outcome Pin assignment Pin 1 8 Inputs pin 1 In 1 etc Pin 9 10 GND Pin 11 12 GND Pin 13 20 Outputs pin 13 Out 1 etc Electrical specifications Input level range max 0 5 5 5 V VIH 2 V VIL 0 8 V Input impedance 10 KQ Output level range 3 3 V TTL VOHmin 2 4V IOH 3 mA VOLmax DAN IOH 3 mA Output impedance typ 50 Q min 43 Q max 80 Q Cable connection You may link the auxiliary I O interface to an external device e g PLC by using a cable with a Mini D Ribbon MDR connector 2015 NTi Audio AG MBe 22 FX Control User Manual Auxiliary output wiring examples Output interface circuit for LED lt 3mA FX100 Auxiliary Output 1 8 Imax lt 3mA R1 360E N 4 D1 GND Outpu
188. pper or lower tolerance limit iv slide any point to a different position with the left mouse button if necessary and v repeat steps i iv as many times 38 M Show Last Result as required to establish the ai Edit Scale Y Axis tolerance band X Ads Header Meter Frequency Ch2 Source a PX 1 Measurement Meter Frequency Ch2 Active Unit Limit High 1001 Hz Limit Low 999 Hz Format vX Properties Header GlideSweep Level Ch1 Sources a y PX 1 Measurement Glidesweep Ell E On dBv MET Fixed v FX 1 Measurement GlideSweep Level Ch1 2000 3000 5000 8000 2k 3k Ak Sk 6k7k8k 10k NOTE At least the first Low Point must be placed below the lowest High Point and vice versa 2015 NTi Audio AG MBe om FX Control User Manual Hint The scaling can be amended by right clicking on the graph and selecting Edit Scale i With the Copy Paste menu Se entries it is possible to 18 exchange the tolerance fs amongst identical 24 26 measurements e g level chn1 gt chn2 dBW 30 4 32 26 ba ES 00 300 400500 B00 ik 2k ak ak 5k 6k7k8k 10k Hz 3b Numerical limit definition i Right click on the graph and Ss select Edit Data e Sips li Enter the frequency tolerance Hz dev Shaper values and click on Add 200 00 28 00 L iii Tick the checkbox ShapeEnd if 500 00 14 00 L n
189. ps of 10 Frequency value editor left mouse button Hold left mouse button while using the scroll wheel gt the frequency values are amended stepwise 5 10 20 100 1k 10k 20k 40k 80k Graphical result display left mouse button e Hold the left mouse button and move it over the graph to zoom in to the corresponding area e Double click on the graph with the left mouse button to show the full display 2015 NTi Audio AG MBe 278 FX Control User Manual 12 8 IEEE 488 The FX100 Device follows the RL state diagram for USB defined in the USB Subclass specification rev1 0 p 14 fig 2 and in the IEEE 488 1 1987 standard p 37 fig 10 REN and INITIATE CLEAR or TRIGGER or DEY DEP Masts OUT pon or Configuration Change or REN GO TO LOCAL or rl or Bus Activity INITIATE CLEAR or TRIGGER or DEY DEP_MSG_OUT GO TO LOCAL or Bus Activity LOCS Local State The LOC State e is the initial state after startup wherein the user can change between any pages and execute any operations e will not change until the PC Software sends a Remote Enable request e is also entered when the PC Software de asserts the Remote Enable request If the Remote Enable was asserted the LOC state changes to the Remote State on e any SCPI message e trigger message e Initiate Clear request If a Local Lockout request is received from the PC Software the LOC state is changed to the Local with Locko
190. r Channel 2 s 000 dev y State 1 1 dideSweep Level Ch 500 700 ik Hz 200 300 60 5060 100 200 300 Hz 500 700 ik GlideSweep Frequency H Ki Spacing Logarithmic e Start 50 00000 Hz Stop 15000 00 Hz 51 fdideSweep SpeakerImpedance Chi E 1945 99 26 86 Ez CH 15 10 500 800ik 2k 3k 4k 5k6k 8k10k 15k Hz J 2k 3k 4k 5k6k 8k10k 15k 3060 100 200 300 52 GlideSweep SpeakerImpedance Ch 2k 3k 4k 5k6k 8k10k 15k 500 s00ik Hz 5 2k 3k ak 5k6k 8kiok 15k 5060 100 200 300 Global generator settings and individual measurement results of state 1 state 2 2015 NTi Audio AG MBe Sequences 231 B3 Regulators General rules e Regulators can not be initiated by a sequence e they have to be controlled manually e The outcome of a Regulator procedure however can be applied to all states or to the current state only va the properties of the regulator Example e A to Header GlideSweep Range Glidesweep Range Source SEN Run and Apply Range Calculated GlideSweep Range Analyzer Channels e 1 fe 2 Headroom 6 000 dB Current e Regulator is applied on the current state only B4 Calculation items General rules e Calculation items are global i e they are always active e The input parameter s for a calculation item however may be taken from a specific state Example CalculationItem select a Source Tree Mea
191. r Manual 8 7 1 Calculation items There are three classes of calculation items Kept curves Generic calculation item Default calculation items Kept Curves Genere calculator Neni Peau CdlCulaulOll HENS Manually kept curves from an A calculation item that contains Calculated Passed Failed executed StepSweep or and executes a user defined GlideSweep measurement formula Overall Passed Failed Unit Converter Linear Interpolation Smoothing Relative Response Previous Result Linear Fit Sample Rate Deviation Hint All defined i e available calculation items are listed in alphabetical order the worksheets toolbox Thus you may group the items according to your demands by editing their names Please refer to chapter Calculation example for further details Generic calculation item Step 1 Open the Calculation Item panel Click on the New Calculation button in the worksheets ribbon to open the Calculation Item dialog box Calculation Item l kl Calculation Item Name calculation tem Formula 0 0 gt Result Unit Po one y Errors e Add to current view OK Cancel If desired edit the name of the generic calculation item optional Step 2 Select a source Click on the Add Parameter and select the data source for the generic calculation item e g e an already active or a new measurement e acalculation item that has already been defined Hint The Tree comprises all measurement
192. r cabinet d Consecutive measurement of the DC resistance and AC impedance of a DUT e Octave and 1 3rd Octave band measurement RTA 10 3 1 a Amplifier test The example illustrates a basic amplifier test sequence that is controlled by a PLC PLC triggers the test sequence Sequence resets the FX100 auxiliary I O output pins Operator enters the serial number of the DUT Sequence prompts the operator to adjust the amplifier volume control FX100 executes the Meter measurements of state 1 Sequence feeds the Pass Fail feedback of state 1 to the PLC FX100 executes the GlideSweep measurements of state 2 Sequence feeds the Pass Fail feedback of state 2 to the PLC Sequence calls an executable that prints out a barcode label incl S N from step 3 O 0 O PL e O oa O Sequence builds a report document with the DUT s serial number measurement data Pass Fail result etc The sketch shows the involved devices and connections and refers to the listed sequence states amp steps o 5 Ko Y O Aux 0 N a U BC printer MM Schematic test setup and sequence flow 2015 NTi Audio AG MBe Sequences 243 The Sequence Dialog panel shows the user defined order of the states amp steps Sequence Dialog x Sequence Start ke Aux Trigger Bit 8 7 6 A 43 2 1 Type _ Positive Edge Ceeccecce Reset AuxOutput Enter S N Adjust Amplifier Volume 51
193. rance limits for the frequency sweep e Format gt the format in which the numerical results are displayed e Color gt selectable color of the corresponding curve e Pen gt selectable line style of the corresponding curve e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the worksheet Hint With the THD N measurement it is possible to select the width of the notch filter which suppresses the fundamental sine wave The Ext Fund Rejection is accessible via the properties of the THDN item in the toolbox and can have following states Narrow gt extremely sharp adaptive notch filter Wide gt filter with Q factor 1 6 Example Side bands which are due to generator jitter very close to the fundamental sine wave can only be measured with Narrow rejection 2015 NTi Audio AG MBe 158 FX Control User Manual Harmonics properties Properties Header Source On y KE KE EK hu 9 A 11 l 13 A 15 A 17 la 19 h 21 ke 23 KE A 27 Lo 29 KEN ke 33 35 Limit High EI E Format J Properties Header Glidesweep Harmonics Chi Sumi Sources A fo A 1 Measurement JJ m H Active On e Unit dB
194. rator 83 measurements 141 settings 83 table 83 time 83 timeout 112 270 weighting 83 Stop measurement 57 136 Sum 203 Support NTi support centers 281 request 65 Switcher FX IS 44 FXOS 42 Sync input 119 ref input 29 122 status 122 Sync input sample rate 180 Synchronisation digital audio 29 to external clock 29 Synchronization analog analyzer 111 2015 NTi Audio AG MBe T Table sweep analyzer 112 generator 83 Template 273 Test analyzer settings 101 generator parameters 79 Test execution 182 228 235 Text panel 61 THD regulator 125 THD THD N calculation method 257 measurement 156 Time sweep analyzer 112 generator 83 Time window 114 Timeout 112 114 Tips amp tricks 259 Title 187 Tolerance limit based on Line Graph Collector 217 222 copy amp paste 216 device 216 217 overvew 216 software 216 222 Toolbox 49 69 TOSLINK 29 Trace 77 Tree select source 73 toolbox 69 Trigger 182 228 235 Tutorial 263 U Unbalanced analyzer 27 generator 25 82 Unit converter 61 Units calculation items 203 level 81 USB A 20 USB B 20 2015 NTi Audio AG MBe NM Validity bit 120 Video clock 122 View Hardware amp Wiring 70 ribbon 58 Worksheets 73 Volume control 12 rotary encoder 16 W Warnings 77 WAV file 64 150 177 194 Waveform StepSweep 82 83 type 82 Weighting 81 130 equalization 99 filter 106 GlideSweep level 93 profile 99 StepSweep level 83 White noise 82 W
195. rces the steepness analysis a p 1 Measuren Tall 3 e Format gt the format in which the numerical results are displayed Band On e Color GlideSweep mode gt selectable color of the corresponding curve Unit Pa js e Pen GlideSweep mode gt selectable line style of the corresponding curve Limits Edit Data e Interpolation GlideSweep mode onma o Linear gt the displayed result curve is drawn by connecting Color Green W neighbored points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points rT Pen Interpolation Linear e Add Source GlideSweep mode gt click on this button to select and ig eee place another measurement on the worksheet 2015 NTi Audio AG MBe Measurements results calculations 167 Example for parameter Points GlideSweep PureSound Ch1 Band1 E Glidesweep Puresound Chi Bandi 300 400 500600 800 ik 2k 0 500 600 800 ik Hz Hz Steepness response wth 200 points Steepness response wth 20 points Example for parameter Max Runs Glidesweep Puresound Chi1 Bandi E Glidesweep Puresound Chi Bandi Ambient CAS 0 i dl 2030 50 100 200 500 ik ui Daa h i pe a a A 2k 3k Sk 10k 20k 2030 50 100 200 500 ik 2k 3k Sk 10k 20k Hz Hz During the 15 cycle a peak exceeds the given During the 212 cycle same DUT Device Under Test all tolerance limits gt
196. red for the current settling process as they were acquired before the expiration of Cycle Delay 1 sample rejected since it is below the Floor level though it would meet the Exponential limit 2 sample rejected since it meets neither Exponential nor Flat tolerance limits 3 4 samples within Exponential but not Flat limits 5 6 samples meet both Exponential and Flat limits NOTE only one limit type applies in practice valid sample measurement result since the current settling conditions are met 2015 NTi Audio AG MBe Measurements results calculations tat 8 2 StepSweep FX100 StepSweep analysis supports several audio measurements Y axis versus three different parameters X Axis e Test signal parameters generator settings must be defined prior to the measurement and can not be amended during the sweep e Ranging can be adjusted automatically or manually The key advantage of StepSweep measurements is a high signal to noise ratio thus providing highly accurate test results NOTE Ifa noise level shall be measured the analyzer synchronization must be switched to Generator and the acquisition to Wideband StepSweep modes a Frequency b Amplitude c Time d Table NOTE Special attention must be paid to the correct synchronization between FX100 analyzer and the signal generator Measurements e Level e Selective level e Gain e THD e THD N LAT e Harmonics Se rr n 2 2
197. relevant Some static and dynamic parameters of this procedure can be edited manually if required NOTE Be very careful if you edit the settling parameters Inappropriate settings can prolong test cycle time or even inhibit the acquisition of valid measurement results In case of continuous Meter measurements the settling is not active 2015 NTi Audio AG MBe Measurements results calculations 139 Dynamic Mode Active Ch Algorithm Tolerance Sample Floor Moise LevelGainPhase Homa B g e Flat 0 200 de d 2 90 00 dev 70 00 dev SelediveLeveltTalk Ge E 000 dB d 3 120 0 dew 120 0 dev Normal Ml if Loo n a El fromods f 3 hona 120 0 dBV Epania 1 000 dB 3 120 0 dev 120 0 dev Exponential Y 1 000 dB 3 120 0 dEV Epner 2 000 dE zl 120 0 dBV Epinal 1 000 dB 3 120 0 dev 120 0 dev Meter settling properties Meter settling properties please refer also to the Example below e Active gt overall activation of the settling for all measurement functions e Timeout s gt maximum allowed settling duration if the timeout expires without successful settling gt no valid measurement result e Initial Delay s gt one time delay before the settling process starts e Delay ms idle time before the settling process starts e Cycle not editable number of signal periods that have to pass by before the settling process starts e Mode gt individual de activation of the settl
198. rement function meter Phase Ch1 o Clear the M checkbox to hide the corresponding curve in the graph Source me Fx 1 Measurement Meter Phase Ch1 o Click on the button to amend the measurement function Active On o Click on the pad button to delete the corresponding curve Unit deg o Click on the H button to amend the curve color Scale 180 00deg 7 e Active o On measurement is active Limit Low deg Limit High deg e Unit gt the measurement unit in which the phase result is Format expressed o deg gt degree 0 360 o rad gt radiant 0 27 o Off gt measurement is inactive e Scale gt the value at which the phase result rolls over by 360 21 see example below 2015 NTi Audio AG MBe Measurements results calculations ter Properties e Limit s Header o Low Meter mode gt optionally enter the lower tolerance limit StepSweep Phase Chi of the measurement o High Meter mode gt optionally enter the upper tolerance limit Sources of the measurement a fv FX 1 Measurement Ex Ki H o Edit Data StepSweep gt optionally edit the tolerance limits of the measurement Active On e Hint Itis possible to enter no limit only the upper or the lower Unit rad limit or both limits Scale 0 0000 rad e Type gt not yet implemented absolute or floating tolerance limits Limits Edit Data e Format the format in which the numerical resul
199. rksheet that shows the calculated power curve Calculated Power 1 5 1 0 5 0 2030 50 100 200 500 ik 2k3k Sk 10k 20k Hz 2015 NTi Audio AG MBe Measurements results calculations 209 Example 3 Stereo headphone qualification The application verifies whether the left and the right speakers of a headphone match to each other The test measures the frequency response of the two channels and compares the acquired results to each other by calculating e the SPL of both speakers 1 kHz e the dewation in the frequency response Step 1 Test setup a Establish the internal and external connections between the FX100 instrument and the DUT Controller p FX 1 palon Generator Analog Generator Analog Analyzer a CH 2 DUT 1 Mic 1 DUT 2 Mic 2 2015 NTi Audio AG MBe 210 FX Control User Manual Step 2 Adjust the test parameters b Enter the appropriate generator analyzer settings e g StepSweep bandwidth output level c Activate the required measurements i e chn1 2 Speaker impedance chn3 4 level StepSweep Frequency x Channel 1 6 000 dBW Spacing Logarithmic y Channel 2 Lamae y Start 100 0000 Hz Channel 3 0 000 dev y Stop 15000 00 Hz Channel 4 omg dev Points Po os 0 6 100 2000 4000 6000 8000 10000 12000 14000 Step 3 Establish the calculations d Click on the Linear interpolation button in the worksheets ri
200. rm the analyzer so that it triggers to an externally generated GlideSweep signal gt Refer to chapter External signal analysis Measurement execution As soon as the trigger impulse has been given the FX100 1 generates the test signal exceptions the instrument has been armed or the generator is muted 2 samples the incoming signal calculates the active measurement results and compares them against predefined tolerance limits in real time 3 Uploads the result data to the controller PC NOTE A measurement is only executed if a result display is placed on a Worksheet 2015 NTi Audio AG MBe EU FX Control User Manual 8 5 1 Continuous Click on the or DI button in the Start ribbon to initiate the continuous acquisition of the respective measurement either Meter or StepSweep or GlideSweep mode StepSweep Level ch GD 200 300 500700 ik 2k 3k 4k5k amp k Hz Terminate the continuous measurement by clicking on the i Abort button 8 5 2 Single Click on the gt Single button in the Start ribbon to initiate a single shot acquisition of all active measurements Meter StepSweep or GlideSweep mode Step5weep Level Ch2 Meter Level Ch2 SA 200 300 500700 ik 2k 3k 4k5k sk Hz The green L button in the quick access toolbar or the lt F5 gt key offer the same functionality for all FX100 Devices that are connected to the controller PC 2015 NTi Audio AG MBe Measurements results calculations
201. rmware can be updated via FX Control or a USB stick 2015 NTi Audio AG MBe 3 1 System operation FX100 audio analyzer FX Control software are a comprehensive audio test system that covers a wide range of measurements and analysis FX Control desktop T View Wiring E Ts SS S808 New Front Numeric BarGraph Line Line Graph Table Sheet Panel Display Display Graph Collector View Logging Help Passed Hardware a Bra Toolbox O a Ei Level E Channeli Level Ch1 Channel 1 20 00 dBV an GlideSweep Level Ch1 ES Chann ES Outstate ES Meter ES StepSweep E GlideSweep ES Analyzer E ES Measurement B Meter ES StepSweep a ES Glidesweep a Ei Level pre Channeli GlideSweep Level Ch1 1441 115 Hz 103 1 dBSPL 90 199 6 300 500 8001k Hz Failed Display Panel 2k 3k 4k 5k6k 8k BO Oe Text New ee Regulator GlideSweep Frequency WE Spacing Logarithmic 9 Start 200 0000 Hz Stop 8000 000 Hz GlideSweep PureSound Ch1 Band5 wx GlideSweep PureSound Chi Band1 6 FX 1 Measurement GlideSweep Level Ch1 SE a 500 8001k 2k 3k 4k 5k6k 8k Hz 200 300 L e Channel 1 Lana y Channel 2 0 000 dev E oFF OutState Channel 1 Balanced zl Channel 2 Balanced y Meter StepSweep GlideSweep 20kHz Y Logarithmic 200 0000 Hz 8000 000 Hz tii Hints The docking panels of FX Control e g Toolbox WorkArea Properties Trace can be arra
202. run time TEE into distance by considering the ambient temperature SS Mic Sensitivity 32 15 mW Pa Reference dBr D dev 0 dBFS Reference Freg 1000 Hz Ambient Temp 25 Deg Errors e Add to current view Q Linear Interpolation StepSweep Level Ch2 Interpolates the Y value of the measured curve at an user defined point of the X CO measured results axis NOTE The linear interpolation is executed graphically the scaling of the X Y axis linear 57 interpolated result or logarithmic therefore has a A direct impact on the result The interpolated level 1 kHz of the recorded curve 57 33 dBV 2015 NTi Audio AG MBe Measurements results calculations mm smoothing StepSweep Level Ch2 Flattens the measurement curve by averaging the acquired results within a window that has a user defined width smoothing window Octiper6 300 400 500 600 700800 ik Hz original measurements Pink curve smoothed result curve 1 6th Octave smoothing window Green curve CH Relative Response GlideSweep Level Ch1 Plots the acquired result curve relative in dB to the Y value of a reference point at an user defined X value 200 300 500 8001k 2k 3k 4k5k6k 8k10k 200 300 500 8001k 2k 3k 4k 5k6k 8k10k Hz Hz CH Custom Curve Classi Tolerances Creates a user defined curve that can be used e g as generic tolerance limit for Calculated Passed Failed items or as a golde
203. s 2015 NTi Audio AG MBe 126 FX Control User Manual Example The following example demonstrates how to adjust the FX100 generator voltage so that the THD of the test signal is below 80 dB at the DUT Device Under Test input pins The FX100 generator output volume is adjusted so that the THD of the test signal is below the specified value at the DUT input pins gt eneric Amplifier Controller FX 1 Temporary wring wth feedback line to FX100 analyzer input 2015 NTi Audio AG MBe Regulators egualization 127 Generator Level re Select a Source Tree Sequence Click on the Generator Level button in the Worksheets ribbon select the FX100 Device being employed and confirm via the OK button Properties W Properties Header Header Generator Level Generator Level Source Source 2015 NTi Audio AG MBe A FX 1 Generator AAA ARAN Channel Channell e Start Level 20 00 dBV Max Level 10 00 dEV gt Channel Measurement Level y Target Measure 6 000 dEV Tolerance 0 200 d8 gt Max Iterations Poo os A Xi Generator AAA AAA Channel Channell e Start Level 20 00 dEV Man Level 10 00 dEV gt lain Channel Measurement mok Target Measure Laag Tolerance Dome gt Max Iterations 10 Adjust the generator analyzer properties for generator level regulation mm FX Control User Manual Generator Le
204. s to an analyzer Link the SIP current sensor s to the analyzer channel Adjust the GlideSweep input range Temporarily link the SIL SIH input connector Speakon to a free analyzer channel and adjust the GlideSweep input range execute a generator equalization enter the calibrated amplifier output level as VoltageValue in the properties see below re establish the standard measurement link Start the measurement Start the measurement Setup examples gt eneric Amplifier 1 Pa to Speaker o o Y D PasSive Speaker 1 Mic ive Speaker 1 i al A U O Pull wire link from one 0 1 d connectorto Z E 5 5 another one E E 5 eee T d S E S 6 _ gt ON BAL E lt Fo Click eto l S i E Click here to pad lt E A toggle between i SP ZS e e DUAL and LL 2 Right click on N Li item te link it internally BRIDGE mode SIP wiring for 1 channel speak er frequency amp impedance SIL wring for 1 channel speaker frequency amp impedance response measurement response measurement 2015 NTi Audio AG MBe 174 FX Control User Manual Properties Properties Header Meter SpeakerImpedance Ch1 a FX 1 Measurement Meter Speakerln Er Active On e Reference Type VoltageValue Voltage 1 0000 V gt External Shunt Resistor 1 0000 0000 Ohm gt Voltage Divider Poo 1 ww omg
205. sequence execution is started the previously acquired active measurement or calculation results are cleared 2015 NTi Audio AG MBe Sequences 233 10 1 Establish a sequence Step 1 Establish the basic wiring i e all firm devices amp connections Step 2 i Enter the sequence mode by clicking on the button Sequence Mode in the Start ribbon and click on a New Hint Before you define a new sequence it is strongly recommended to clear all panels from the worksheet or to open a new project v gt Copy Ce Del Clear GF Ren SS Run ii Amend the internal FX100 routing e g output input switcher routing or connector states e g mute On Off bias if required iii Click on the dialog box launcher select the measuring modes that shall be active Meter StepSweep or GlideSweep and click on OR a New gt Copy Ge Del a Clear G Ren Run Sequence Dialog xj Sequence Start T Aux Trigger Bit 8 7 6 Fa ype r Positive Edge Type Nama Meter Stepsweep GlideSweep KE y y 51 State 1 E Add Edit Up Down Delete iv Customize the state i e a adjust the generator analyzer settings and the active measurements according to your demands b add and edit special actions via the Sequencer Dialog window if required c rename a state by clicking on G E or on Edit in the Seguencer Dialog window 2015 NTi Audio AG MBe 234 FX Control U
206. ser Manual Step 3 i Add more states by clicking on GA New ll lf you want to copy the settings of a specific state to some or to all other states click on gt Copy and select the source destination state s and the applicable settings Copy State Settings the source wi A destimatio ET 51 FFT SE 53 PureSound Rub amp Burz Test 1 Select S2 Freo Imped Response vw 53 PureSound Rub amp Burz Test Cl 52 Freg Imped Response E States a Analyzer 2 Select Analyzer gt Measurement the master Measurement the target Advanced Advanced settings iii Remove an obsolete state by clicking on Del or clear the whole sequence via e Clear iv Customize each state individually as described under Step 2 A Sequence Dialog Sequence Start ei S1 FFT A RW Mn 52 Freq Imped Response E z Delay 53 PureSound Rub amp Buzz T D rj Stacklight feedback Print Q Label Save Test Report ue Dom Delete Step 4 i Start the sequence by clicking on Run or pressing the lt F5 gt key ii Keep an eye on the trace in order to get notice of error messages iii Save the setup with the sequence in a project 2015 NTi Audio AG MBe Sequences 235 10 2 States steps Definition e A state is a customized collection of FX100 instrument settings test parameters and measurements e A step is a pred
207. states must be established in the same order as they shall be executed in the sequence If a new state is added all settings amp items of the previous state are duplicated gt Use the clipboard to paste the corresponding items on a new worksheet Only one sequence can be defined amp saved per project B Behavior of wiring panels regulators calculation items B1 Wiring routing General rules e Within a sequence the wiring is global i e it applies for all states of the sequence e On the other side the routing of the involved channels is individual for every state i e can be changed within the sequence Example gt sie Speaker 1 Mic 285 1 Gontroller Gantraller Anglog Anelyiar Anplog KANAN Output baltoher State 1 Wiring global Routing state dependent State 2 Wiring global Routing state dependent 2015 NTi Audio AG MBe 230 FX Control User Manual B2 Panels General rules e All panels e g generator settings result displays that are placed in the WorkArea remain visible throughout all states e Ifa panel is added to the WorkArea just after the sequence mode has been entered i e before any state has been added it remains active for all states e Ifa panel is added in a specific state it applies only for that state whereby the panel s name is preceded by Sx x state Example Channel i 5 000 dev H co
208. surement Functions El Fx i al El Generator El Level Channel Outstate Meter StepSweep GlideSweep Analyzer Measurement Advanced Calculation Item E Calculation item uses the Generator Level Channel1 as defined in state 2 2015 NTi Audio AG MBe 232 FX Control User Manual C Sequence execution lel C1 Manual controls L or F5 or E Run Starts the sequence single shot y or F6 Starts the sequence in repeat mode gt Single Executes the selected state only lt j Repeat Executes the selected state in repeat mode Wi Abort or F8 Stops the sequence execution C2 Auxiliary trigger A sequence can be initiated by an externally a e Sequence Dialog generated trigger signal e g from a PLC or Sequence Start foot switch etc that IS connected to the ka Aux TriggerBt 8 7 6 5 4 3 2 1 Type T Positive Edge D auxiliary UC interface ccececcce 1 Tick the checkbox Aux Trigger Bit to enable the external trigger type Name meter Stepsweep Glidesweep E E 4 Current State 2 Select the trigger condition i e the auxiliary input bit 1 8 and the slope type positive negative edge 3 Click on OR to confirm the setting Hint If only the Auxiliary Trigger is enabled e without adding further states or steps to define a Auxiliary trigger setup sequence the software will only execute the active measurement s as soon as the trigger signal arrives Hint As soon as the
209. surement via FX SIL of 2 speakers AC impedance acoustic performance 2015 NTi Audio AG MBe KH FX Control User Manual c DCR measurement 1 speaker gt eneric Amplifier 1 sd OG Passive Speaker 1 Mic 2080 1 Controller Analog Generator OFF BAL dh impedant Analog Analyzer CL ew P FX 1 CH2 e FX SIL wring example for DCR measurement 1 speaker NOTE Fora DCR measurement you have to set the Analyzer Coupling to DC and the FX SIL property to DCR32ERange 2015 NTi Audio AG MBe Hardware 35 2 10 FX SIH option The FX SIH plug in board is used to measure either a the AC impedance of the connected loudspeaker via two high precision 0 1 Q shunt resistors or b the DC resistance of the connected loudspeaker by feeding a small current through the DUT NOTE An external amplifier is required to measure the loudspeaker impedance with the FX SIH board alternatively you may use the FX SIP board The maximum current through the FX SIH option is 10 A The Speakon output connector comprises four pins two for the signal and two for the sense line refer to the application example below FX SIH internal schematic Inbus 1 The FX SIH can be linked internally as follows es i trom Amar e Speakon IN to Inbus 1 2 gt
210. suring microphone is connected iv DeleteInputFile Is an optional parameter if it is entered the FFT log file will be deleted as soon as it has been processed by the software 2015 NTi Audio AG MBe Sequences 253 8 Select State 1 and edit the properties of the FFT measurement graph e Select a logarithmic Unit as e g dBSPL dBV Properties or dBu Header e The Size must be minimum 256k 51 Meter FFT Ch1 e f you want to prolong the acquisition length you may either increase the Size or the number of Sources Average Cycles A 7 PX 1 StatesList State 1 Me a Xx e Make sure that the Active selector is switched to Active On e On Domain Frequency Window BlackmanHarris Unit lt C dBSPL ly Limits d i Type Fixed e Points KE Detector Type Power Spacing Logarithmic Start 20 00000 Hz Stop 20000 00 Hz Average Type Normal zl Average Cycles Average Reset Write Full Res Results to file 2015 NTi Audio AG MBe 254 FX Control User Manual 9 Execute the sequence to acquire amp display the results Hint the whole procedure takes several seconds S1 Meter FFT Ch1 Bi x FX 1 StatesList State 1 Measurement Meter FFT Ch1 4112 837 Hz 66 45 dBSPL 40 50 60 70 80 100 300 400 500 600700800 1k 3k Ak 5k 6k 7k 8k 9k10k Hz Full Octave E x Third Octave Bx 25 15 10 4 E 3 20 31 40 5060 80100 200 2k 3k 4k 5k6k 8k10k 16k 20 30 4
211. t Limits Edit Data e Format gt the format in which the numerical results are displayed Format e Color gt selectable color of the corresponding curve Color e Pen gt selectable line style of the corresponding curve Pen AS e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly va straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the worksheet Result display The Meter XTalk results can be displayed either as a numerical value or in a bargraph Meter XTalk Ch2 E x Meter XTalk Ch 29 04 dB 20 52 dB Min 24 85 80 20 30 4050 70 100 200 300 500700 Ik dk Sk 4kSk Fk 10k 20k Hz 2015 NTi Audio AG MBe Measurements results calculations 165 8 4 8 PureSound NTi Audio s unique PureSound analysis measures the transient steepness of the received signal The measurement provides for instance the facility to identify audible imperfections or other irregularities which can not be detected by conventional test methods such as distortion analysis The schematic picture below explains the basic principle behind PureSound analysis e Six filters divide the transmitted signal into separate components e Every signal component is post processed by the PureSound algorithm gt As opposed to distor
212. t measurement function Meter THDN Ch1 o Clear the checkbox to hide the corresponding curve in the graph source B Fx 1 Measurement Meter THON Ch1 7 o Click on the button to amend the measurement function Active o o Click on the pad button to delete the corresponding curve Unit Ye o Click on the H button to amend the curve color Limit High o e Active Format o On gt measurement is active o Off measurement is inactive e Ext Fund Rejection THDN measurement only gt the width of the notch filter that suppresses the fundamental sine wave Example 2015 NTi Audio AG MBe Measurements results calculations 157 Properties d Side bands which are due to generator jitter very close to the Header fundamental sine wave can only be measured wth Narrow StepSweep THD Ch1 rejection o Narrow gt extremely sharp adaptive notch filter Sources o Wide gt filter with Q factor 1 6 a RIP 1 Measurement Ex m Unit the measurement unit in which the THD THDN result is Acie on BR expressed o V Unit dE o dBV Limits Edit Data o dBPa Format o dBSPL Green W o dBu o x o dB Linear o dBr Add Source Hint With the d r measurement it is possible to compare the input signal to a user defined reference level e Limit s o High Meter mode enter the upper tolerance limit for the THD THDN measurement o Edit Data Sweep mode gt edit the upper tole
213. t function from the tree to the Worksheet or e click on the Numeric Display button in the worksheets ribbon and select the required measurement Examples Meter THD Ch1 KS CD Out Frequency Ch2 Meter Level Chi E X 48 001 50 Hz 95 21 dBSP 39 12 dB Hint Right click on the meter display to e de activate the measurement e amend the measurement unit for the next cycle e set the reference level for level relative measurements e Header editable name of the numerical display Header Sp Or e Meter Level Ch1 ctive select to temporarily disable the measurement Source e Unit gt selectable measurement unit a FX 1 Measurement Meter Level Ch1 e Limit High Low gt editable upper lower tolerance limit Active on e e Format the format of the Unit dBSPL numerical readout e g Limit High 100 dBSPL o 0 00 limits the number of digits behind the decimal Limit Low 22 oe separator of the measured result o e shows the numerical result in exponential i e scientific notation Example 61 96 dBV gt 6 196e 001 dBV 2015 NTi Audio AG MBe Measurements results calculations 187 8 6 2 Bargraph The bargraph display shows the numerical measurement next to a graphical indicator To activate a measurement and to show the related bargraph result display e right click on the Hl icon of the corresponding measurement function in the tree or e click on t
214. t interface circuit for LED gt 3mA external Power Supply FX100 Auxiliary Output 1 8 AS e GND 2015 NTi Audio AG MBe Hardware 23 Output interface circuit for PLC external Power Supply e g 24V R6 10k R5 Ak Output to PLC Ol FX100 NS Auxiliary Output 1 8 GO m GND Output to PLC GND Output interface circuit for relay controls external Power Supply FX100 Auxiliary Output 1 8 GND 2015 NTi Audio AG MBe a FX Control User Manual Auxiliary input wiring examples Input interface circuit for push button external Power Supply R3 an 0 H FX100 Auxiliary Input 1 8 GND Input interface circuit for PLC Signal from PLC e 9 24V R7 FX100 3 3V Auxiliary Input 1 8 R10 GND 2015 NTi Audio AG MBe Hardware 25 2 6 FX GEN board FX GEN is a 2 channel high precision analog audio generator e The two generator channels can be parameterized independently e g level frequency outstate internal link e In case of StepSweep or GlideSweep measurements both channels always start simultaneously e FX GEN must always be installed together with an FX ANA board NOTE The XLR BNC connectors of FX GEN e are permanently linked to each other e can be linked either to the generator or the Inbus FX GEN internal schematic Outbus 1 The generator channels 1 2 can be linked to e XLR BNC connectors 1 2 respectively e Outb
215. t is executed as follows 1 Establish the connections from the FX100 generator via the DUT Device Under Test to the analyzer 2 Switch OFF i e mute the generator output of the channel to be measured 3 Start the measurement The active test signal is thereby transmitted through the active channel while the level of the inactive channel is measured NOTE The interchannel XTalk can only be measured between the channels of the same analyzer board i e chn1 chn2 or chn3 chn4 Properties Properties Cl e Header gt editable name of the XTalk measurement display Header e Sources gt measurement function Meter XTalk Ch1 o Clear the M checkbox to hide the corresponding curve in the graph o Click on the button to amend the measurement function On e o Click on the pad button to delete the corresponding curve o Click onthe gt button to amend the curve color dB Limit High dB e Active Format o On gt measurement is active o Off measurement is inactive 2015 NTi Audio AG MBe 164 FX Control User Manual Properties e Unit gt the measurement unit in which the measured XTalk shall be Header expressed StepSweep xTalk Cht o dB o I e Limit s E a WX 2 Measurement Ex L o High Meter mode gt optionally enter the upper tolerance limit KEE on Y of the measurement Unit dB gt o Edit Data StepSweep gt optionally edit the tolerance limits t of the measuremen
216. t result displays or calculation items View Wiring New Front Numeric BGarGraph Line Line Graph Passed Text Sheet Panel Display Display Graph Collector Failed Display Panel Hint All buttons in the Worksheets ribbon can be found also via right click in the WorkArea when the Worksheets view Is active Views Opens a new worksheet aside from the existing ones Thus an overview of complex test setups or comprehensive measurements is possible e e Click on the corresponding tab to access the worksheet e Right click on a tab to o rename it o Close it or close all sheets but this one o switch it to floating dockable or tabbed e Place the required items e g generator analyzer panel or measurement display on any worksheet gt all items on all sheets are active e lfa specific item is placed several times on the worksheet s then all these items are connected with each other i e if the contents of one item is edited the connected items will change accordingly Adds a new test parameter settings panel to the active worksheet e Generator gt test signal parameters e Analyzer gt input settings e Measurement gt tolerance limits e Advanced gt special settings e g routing or headphone control Adds a Meter measurement display that shows the acquired results numerically Adds a Meter measurement display that shows the acquired results numerically and i
217. tation damages for loss of profits loss of data or information business interruption or any other commercial damages or losses arising out of or related to your use or inability to use the NTi Audio software or services or any third party software or applications in conjunction with the NTi Audio software or services however caused regardless of the theory of liability contract tort or otherwise and even if NTi Audio has been advised of the possibility of such damages In no event shall NTi Audio s total liability to you for all damages exceed the amount of ten US dollars USD 10 00 The foregoing limitations will apply even if the above stated remedy fails of its essential purpose Separate Provisions H any provision of this EULA shall be held to be invalid illegal or unenforceable the validity legality and enforceability of the remaining provisions shall in no way be affected or impaired thereby Privacy At all times your information will be treated in accordance with NTi Audio s privacy policy which is incorporated by reference into this license agreement and can be viewed at http www nti audio com privacy statement Controlling Law This license agreement will be governed and construed in accordance with the laws of Liechtenstein Europe excluding its conflict of law principles No amendment to or modification of this EULA will be binding unless in writing and signed by NTi Audio The English version of this EULA shall govern
218. tbus 1 Route To Outbus 2 Route To None l I I I e CH C Route To Channel 1 Route To Channel 2 l I l I a Outbus 2 2015 NTi Audio AG MBe Hardware NOS FX OS properties Properties wv The FX OS has no editable properties Slot 3 Outswitcher 1 00118 A 2 e Slot number OutSwitcher number PCB serial number PCB version PCB i index Application example agi m Cop rollgr Analog Analyzer Speaker impedanob ef IO Generic UO 4 3 FX OS application example swtched testing of a 4chn device 2015 NTi Audio AG MBe an FX Control User Manual 2 14 FX IS option The FX IS input switcher board is used to add 4 additional input channels to the FX100 analyzer e The link between an FXIS connector and the FX100 analyzer is established via the Inbus 1 2 e Any or all FX IS input connectors can be linked to any available analyzer channel e An individual bias e g Phantom power can be activated for each FXIS connector e Up to three FX IS boards can be installed in the FX100 max 12 switched input channels FX IS internal schematic Right click on any XLR input connectors to Inbus 1 e link it to Inbus 1 2 or any analyzer channel or FX IS e switch it to idle mode Furthermore an individual bias can be activated on each input connector Hint Only one of either Inbus 1 or 2 can be linked to one input conne
219. ted to amplifier output o Protected gt Speakon IN disconnected from internal circuit e g due to an overflow o DCR32ERange gt internal current source of the SIL is active is used to measure the DC impedance of the connected DUT in the range from 1 5 to 1500 2 2015 NTi Audio AG MBe 32 FX Control User Manual Safe operating area Load power W Load power W SIL safe operating area i Load power 100 7 10 2 0 7 0 12 0 17 0 22 0 27 0 32 0 Load Ohm Safe operating are for loads from 2 32 Q SIL safe operating area SIL Load power 100 Safe operating area 10 e l 0 0 50 0 100 0 150 0 200 0 250 0 Load Ohm Safe operating are for loads from 2 250 Q 2015 NTi Audio AG MBe Hardware 33 Application examples a AC lmpedance measurement 1 speaker gt eneric Amplifier 1 Passive Speaker 1 Mic 2988 1 Controller Analog Generator Analog Analyzer FX 1 ST CH q yo gih Wiring example simultaneous measurement via FX SIL of speaker AC impedance acoustic performance NOTE For an AC lmpedance measurement you have to set the Analyzer Coupling to AC and the FX SIH property to Amplifier b AC lmpedance measurement 2 speakers in parallel Ls L Controller TE ENE 4 4 Analog Generator Analog Analyzer DUT 1 Mic 1 BUT 2 Mic 2 Wiring example simultaneous mea
220. the graph with the left mouse button a e Header gt editable name of the line graph display Sasi e Name applies only for kept curves gt editable name of the corresponding kept es A E FX 1 Measurement GlideSweep Level Ch1 ax Curve Ss RS e Sources gt measurement function Edit Data E o Click on the button to activate another function o Click on the Ix button to delete the corresponding source a A mn I o Click on the M button to amend the curve color Name Copy of FX 1 Meas a i S i Rm e Active gt select Off to temporarily disable the measurement Color HotPink E D ren 5 e Unit gt selectable measurement unit Y axis se E i e Limits Edit Data gt edit the tolerance limits for the related measurement e Type gt not yet implemented e Format gt applies only for single value results Color gt selectable color of the corresponding curve e Pen gt selectable line style stroke of the corresponding curve Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points Add Source gt click on this button to select and place another measurement on the worksheet Glidesweep Harmonics Ch1 Sumi 70 200 300 500 8001k Jk 3k 4k5k6k 8k 200 300 S00 S001k 2k 3k 4k5k6k Sk Hz Hz
221. the source code of decrypt modify or create derivative works of the NTi Audio software or any services provided by the NTi Audio software or any part thereof C Termination This license is effective until terminated Your rights under this license agreement will terminate automatically or otherwise cease to be effective without notice from NTi Audio if you fail to comply with any term s of this license agreement Upon the termination of this license you must cease all use of the NTi Audio software and destroy all copies full or partial of the NTi Audio software Services The NTi Audio software may enable access to NTi Audio and third party services and web sites collectively and individually NTi Audio services Such NTi Audio services may not be available in all languages or in all countries Use of these NTi Audio services requires internet access and use of certain NTi Audio services may requires an NTi Audio ID may require you to accept additional terms and may be subject to additional fees By using this software in connection with an NTi Audio ID or other NTi Audio account you agree to the applicable terms of service for that account Disclaimer A NTi Audio and all our affiliates do not give any warranty guarantee or conditions for this software i e you bear the sole risk of using it This limitation applies to anything related to this software including breach of contract warranty guarantee or condition strict liabi
222. the timeout period iv Run the measurement continuously or start it at a specific time stepSweep Step Sweep LevellChT ell 2015 NTi Audio AG MBe Application hints 271 C External GlideSweep analysis The FX100 Device is able to sample amp analyze an externally generated GlideSweep This feature is especially helpful for applications where the test signal can not be routed from the FX100 generator through the DUT e g MP3 players notebooks etc The transmitted GlideSweep must comprise a specific header that allows the FX100 analyzer to trigger correctly to the incoming signal and can be easily created under FX Control and saved on the DUT i Adjust the generator signal parameters of the GlideSweep i e bandwidth spacing start stop frequency fade in and length ii Create a sound file of the GlideSweep in wav or mp3 format and save it on the external device ili Adjust the analyzer GlideSweep settings i e e select the sense channel that shall trigger to the incoming GlideSweep signal e adjust the number of points e define the GlideSweep timeout if no FX100 proprietary GlideSweep preamble signal is received after initiating the measurement FX100 automatically aborts the acquisition after expiration of the timeout period NOTE lt is essential that the GlideSweep generator parameters of the analyzing FX100 are identical to those of the externally replayed GlideSweep signal iv Activate the required m
223. tion analysis PureSound analysis operates in the time domain Post processing PureSound measurements are typically used for the analysis of A Sinusoidal signals B Complex sound e Constant sine tone Meter mode e Mobile phone ringing tone e Linear GlideSweep e Machinery noise e Logarithmic GlideSweep The resulting steepness graphs represent a fingerprint of the original signal and can be used for correlation gt Peak s in the resulting steepness graphs indicate Ser ests irritating noise Hint StepSweep is not suited for PureSound analysis Properties GlideSweep Common Common l l e Analysis Range gt select the bandpass filters for steepness analysis Analysis Range High o Low 60 480 Hz Points we o Mid gt 240 2900 Hz Max Runs o High gt 2 20 kHz complies to the filters of RT 2M e Points GlideSweep only gt the number of steepness result values that are uploaded to the controller PC i e the resolution of the displayed steepness response curve see Example below e Max Runs GlideSweep only gt the number of times the PureSound test is repeated if the measurement results exceed the tolerance limits The system then compares the data of the executed cycles to eliminate all non recurring peaks e g stochastic ambient noise and thus considers only systematic events see Example below 2015 NTi Audio AG MBe 166 FX Control User Manual Meter PureSound Chi Channelx e Ba
224. tions 199 Default calculation items Hint The term Input hereunder refers to e acquired measurement results single values or curves e the output result of another calculation item A Calculated Passed Failed G Calculated Passed Failed Checks the input of the calculation item against generic tolerance limits Calculated Passed Failed NOTE The generic tolerance limits must be defined before the Calculated Passed Failed Mae Calculated Passed Failed item is added Input Limit High Max Calculated 1 dB Limit Low Min Calculated Power 1 dB X Interpolation Y Interpolation Errors kg Add to current view A Overall Passed Failed bd i S Overall Passed Failed Checks whether all input parameters i e results of the selected items are Passed Overall Passed Failed if one or more results are Failed the overall result is Failed too Name Overall Passed Failed Add Parameter Levell X 1 Measurement GlideSweep Level Ch1 a X HD ment Glidesweep Harmonics Ch1 Sum1 X Imped fient GlideSweep SpeakerImpedance Ch2 a X J Add to current view OK Cancel 2015 NTi Audio AG MBe 200 FX Control User Manual Q Unit Converter Unit Converter Opens a panel that allows to convert the unit of an acquired measurement the O Unit Converter panel includes the available constants that may be used for the calculation e g for converting the acoustic signal
225. to the extent not prohibited by local law in your jurisdiction 2015 NTi Audio AG MBe 12 FX Control User Manual 2 Hardware NOTE NTi Audio recommends annual calibration of FX100 A message on the unit s LCD indicates expiration of this period FX100 front panel 1 INT AUDIO les RESULT Failed PA Sake TESTI tote C un dl a ee eee 2 g FLEXUS FX100 AUDIO ANALYZER ON OFF 3 4 5 1 Display The LCD provides basic information on the instrument status and test results 2 PASS FAIL The green red light bars directly indicate the PASSED or FAILED test result indicator Mains switch Switches the instrument ON or OFF 4 Rotary encoder i Rotating the encoder e adjusts the volume of the monitor jack or e moves the cursor through the menu or e varies the selected menu entry ii Press the knob to select the highlighted menu entry 5 USB interface USB type A connector data transfer between memory stick and instrument e test parameters stick gt instrument e result data instrument gt stick 6 Headphone jack Provides the input signal unprocessed or filtered 2015 NTi Audio AG MBe Hardware FX100 rear panel The rear of the FX100 hosts the plug in boards that can be configured according to your requirements to Speaker CHO CHA t E r Auxiliary I O CH UNBAL FT Zer CH1 UNBAL E CH2 e Controlle Impedance gt by d CA
226. tor Equalization button in the Worksheets ribbon select the FX100 Device being employed and confirm via the OR button 2015 NTi Audio AG MBe 132 FX Control User Manual Properties wv 2 amp Properties e 2 amp Header Header Generator Equalization Generator Equalization Source Instrument GlideSweep Instrument Channel Channeli e Channel Channel e Bandwidth EEN Frequency Spacing Logarithmic 20 00000 Hz Start 10000 00 Hz 10000 00 Hz Stop 20 00000 Hz Points 100 Start Level 20 00 dev y 3 000 EE 3 000 dev ba Channel e Start Level 20 00 dBW Channel e Target Frequency 1000 000 Hz Smoothing Target Level 80 00 despL sl Target Frequency 1000 000 Hz Tolerance 2 000 dB Target Level 6 000 dev gt Max Iterations 5 Tolerance 0 500 dB ER Max Iterations 3 lw Stepsweep tasak e GlideSweep Instrument aoe Adjust the generator analyzer properties for SPL equalization key parameter settings highlighted Adjust the generator analyzer properties for amplifier equalization key parameter settings highlighted 2015 NTi Audio AG MBe Regulators egualization 133 Generator Equalization Run stop Apply Calculated Generator Level 66 36 dBV E Amplitude Equalization 0 5 1 1 5 2 S 2 5 3 3 9 20 30 50 70100 200300 500 ik 2k 3k4k5k 8k Hz Measured Level on Channel 95 90 85 lt san sad han AA sa an AA TA
227. ts are displayed Type Fixed e Color gt selectable color of the corresponding curve Format e Pen gt selectable line style of the corresponding curve e Interpolation o Linear gt the displayed result curve is drawn by connecting neighbored points directly via straight lines o Steps gt the displayed result curve is drawn by drawing horizontal lines between neighbored points e Add Source gt click on this button to select and place another measurement on the worksheet Result display The Meter phase results can be displayed either as a numerical value or in a bargraph Meter Phase ch Meter Phase ch 125 53 deg 4 5911 rad Min 3 3176 Mac 6 2787 The StepSweep phase results are displayed in a graph StepSweep Phase Ch1 D 3060 80100 200 300 500 S001k 2k 3k 4k5k6k 8k10k Hz 2015 NTi Audio AG MBe 162 FX Control User Manual Stepsweep Phase Ch1 30 0 50 100 150 200 5060 80100 200 300 800 1k 2k 3k 4k5k6k 8k10k Hz Interchannel phase measurements wth parameter Scale set to 0 top and 180 bottom 2015 NTi Audio AG MBe Measurements results calculations e 8 4 7 XTalk interchannel The amount by which the voltage of one channel interferes with the alternate channel gives the interchannel crosstalk ee XTalk 20log sateen dB eaten 100 Y ActiveChn Vactivechn FX GEN FX ANA Om LC 1 our HS A typical XTalk measuremen
228. tsampleRate CR Meter AESInputSampleRate 8001 29 Hz 48001 29 Hz 8 4 17 Settling FX100 applies an automated settling procedure to ensure that the acquired results are stable and relevant Some static and dynamic parameters of this procedure can be edited manually if required please refer to chapters Meter StepSweep 2015 NTi Audio AG MBe Measurements results calculations tet 8 4 18 Units The units of the FX100 measurement functions can be divided into two groups absolute and relative units a Absolute units Unit A dBFS dBFSp dBPa dBSPL dBu dBup dBV dBV Pa dBVp deg Deg C Deg F Feet FFS FFSp Hz Meter mV Pa Ohm Pa s FS FSp rad S V Vp Vis W Explanations Ampere current only available for calculation items decibel full scale for digital Audio decibel full scale peak for digital Audio decibel Pascal for acoustic measurements decibel sound pressure level for acoustic measurements decibel relative to 0 7746 V for Voltage measurements decibel relative to 0 7746 V peak for Voltage measurements decibel relative to 1 0 V for Voltage measurements decibel Volt per Pascal microphone sensitivity decibel Volt peak for Voltage measurements degree angle for Phase measurements degree Celsius temperature only available for calculation items degree Fahrenheit temperature only available for calculation items Feet distance on
229. tude Equalization l a I o Logarithmic the generated frequencies are distributed logarithmically over the X axis o R10 R20 R40 R80 gt the generated frequencies are distributed according to the ISO standard over the X axis Start start frequency of the generated StepSweep e g 20 Hz Start frequency may be gt Stop frequency Stop gt end frequency of the generated StepSweep e g 20 kHz e Stop frequency may be gt Start frequency e Points gt number of generated frequencies between the start stop frequencies Start Tone On gt a 1 kHz start tone with fixed duration of 1 second is generated prior to the StepSweep execution 200 0000 Hz 8000 000 Hz Logarithmic e e Weighting An individual weighting of the generated frequency sweep signal can be applied to each channel It is possible for example to equalize the generator output or to apply a user defined amplitude profile In either case the equidistant frequency sweep steps are not affected e YAxisUnit o Linear gt the generated signal level between StepSweep points is interpolated linearly Logarithmic the generated signal level between StepSweep points is interpolated logarithmically e Amplitude equalization O O O O Enable activates the generator equalization Data View gt shows the current values of the generator equalization file Data Copy copies the contents of the generator equalization file to the clipboard Data P
230. ulation Item Function Min e Displacement 3 UN Kept Curve Name flow __ Cancel Calculated Passed Failed Calculated Passed Failed Name Calculated Passed Failed Input i Measurement GlideSweep Level Ch2 Limit Low ow x Limit High High x X Axis to Y Axis Errors Y Add to current view 20k O 2015 NTi Audio AG MBe Tolerance limits Optionally click on the Ed button in the top bar of the Passed Failed panel to Calculated Passed Failed H x show e tolerance limits green band a ASSED e last acquired result curve green line e failed measurement points green rectangles Calculated Passed Failed 200 300 400500 800 ik 2k 3k Ak Sk 6k7k8k 10k Hz Semi automated tolerance FX 1 Measurement Glidesweep Level Chi update procedure option a Execute steps 1 to 4 as described Calculation Item Max GlideSweep Level Ch1 already exists above 255 Do you want to replace it b Record more curves in the Line Graph Collector c Inthe properties of the Line Graph Collector click again on the button Create Calculation Hem select the required Function e g Max and optionally amend the Displacement d As soon as you confirm via the Create button a pop up will appear that asks you whether the existing Calculation Item shall be overwritten Click on OK to confirm Consequently the old tolerance limits will be replaced by n
231. urement 150 frequency measurement 146 FXAES 29 FXANA 27 FXGEN 25 FXIS 44 FXOS 42 FXSIH 35 2015 NTi Audio AG MBe Properties 49 75 112 FXSIL 31 FXSIP 38 gain measurement 154 generator 79 GlideSweep analyzer 114 harmonics measurement 156 impedance measurement 173 level 81 level measurement 14 7 mainframe 12 Meter settling 138 phsse measurement 160 PureSound measurement 165 speaker impedance measurement 173 StepSweep analyzer 112 StepSweep settling 141 THD measurement 156 Xlalk measurement 163 PureSound max runs 114 measurement 165 points 114 resolution 114 test signal 93 Q Quick access toolbar 49 56 R Range analyzer 102 GlideSweep 103 Rear panel 12 auxiliary I O interface 21 Reference level 277 Reference dBr 105 Reflections 114 Regulator 124 generator equalization 130 GlideSweep range 129 level 125 THD 125 Relative distortion 156 level 147 reference 105 Relatvie response 61 2015 NTi Audio AG MBe Index Remote control 47 Renewal conditions 64 Repeat 136 185 Reporting 273 Request support 65 Result data copy amp paste 187 display 186 logging 64 193 194 normalized display 222 Result display 186 bargraph 187 buttons 61 graph 187 impedance 173 normalized 222 numerical 186 Passed Failed 192 speaker impedance 173 Ribbon 49 Help 65 Logging 64 Stat 57 View 58 Wiring 59 Worksheets 61 Rms 203 Rotary encoder 16 Routing 70 analyzer 27 DF 41 digital an
232. uring a sequence e The external program is called as soon as the sequence has reached the corresponding point e If the checkbox has been ticked the sequence halts until the external program is finished 2015 NTi Audio AG MBe 238 FX Control User Manual Delay Halts the sequence during a user defined time ie Select the menu Delay and optionally edit the Step Name Enter the duration of the delay Click on OK to confirm your definition Delay execution during a sequence e As soon as the sequence comes to the corresponding point it halts for the defined duration e lf the operator clicks on Cancel gt sequence is stopped aborted Activate Sheet Brings the selected worksheet to the front d Activate Sheet execution during a sequence Select the menu Activate Sheet optionally edit the Step Name Click on the gt button and select the required worksheet Click on OK to confirm your selection Delay ES Step Name Delay 1 Delay 4000 ms Activate Sheet El Step Name ActivateSheet 1 Sheet Sheet 2 D 4 Quick Print send directly to the default printer As soon as the sequence is at the corresponding point the selected worksheet is automatically shown in the front view Level Ch1 a x Channel 1 20 00 dev 51 Meter FFT Ch2 Data Output Exports selected data to a user defined target file in csv format 1 2 3 Select the menu Data
233. us 1 2 respectively e DC Measurement FX GEN Furthermore it is possible to link the XLR BNC connectors 1 2 via the Outbus to the analyzer inputs 1 2 respectively Thus it is possible to measure the bias of the input of a connected device gt readback measurement To edit the internal wiring of the FX GEN board switch to the Hardware amp Wiring view e click on the El symbol of a generator channel and select the required status or Outbus 2 e amend the corresponding settings via the properties see below Furthermore you may amend the following generator properties e ON OFF gt output connector active or muted e BAL UNB gt balanced or unbalanced operation CH 1 D Hint The Banana plug is permanently connected to GND chassis S S OFF UNB A 3 D lt ON BAL y 8 f AC e E Route to Analyzer Route to Xir Bnc Route to Outbus Route to DC Measurement 2015 NTi Audio AG MBe 26 FX Control User Manual FX GEN properties Properties Slot 6 Dac 1 00028 D 2 12 Analog Generator Channel 1 Cutput On e Outstate Balanced Routing lr bnc Out Bus None 0 None ee Analog Generator Channel 2 Output of e Routing Outbus Deg e The FX GEN board has the following properties e Slot number DAC number PCB serial number PCB version PCB index e Output gt On or Off muted e OutState gt Balanced or Unbalanced e Routing gt intern
234. usted analog reference level will not be changed Range Meter StepSweep The input range represents the sensitivity of the FX100 analyzer Proper adjustment of the input range is essential to e avoid clipping and e ensure accurate measurement results Automated ranging Auto ranging is recommended if the input signal level is unknown prior to the measurement In this mode a special circuit in FX100 e continuously monitors the input signal level i e also during the measurement e automatically adapts the analyzer sensitivity Channel 1 10 4640 Vp Channel 2 20 00 dBvp Manual range Manual ranging is recommended e if the input signal shows a rapidly changing level and or e to speed up the measurement The operator has to manually enter an appropriate analyzer range prior to the measurement The input range must be defined in terms of a peak measurement unit i e Vp dBVp or dBup Channel Channel NOTE The input range is divided in fixed stages i e a manually entered value may be rounded to the next higher stage The GlideSweep input range must be adjusted separately 2015 NTi Audio AG MBe Analyzer settings 103 5 3 GlideSweep range Proper adjustment of the GlideSweep range i e the sensitivity of the FX100 analyzer is essential to e avoid clipping and e ensure accurate measurement results The GlideSweep range must be adjusted prior to the signal acquisitio
235. ut State but only if the Remote Enable was asserted REMS Remote State The FX100 will stay in REM state e as long as it is not disconnected from the PC e until the PC Software sends a Go To Local request e until the PC Software sends a user input The FX100 interprets any user input in this state as a Return To Local local message There is no special Return To Local button lf a Local Lockout request is received from the PC Software the state is changed to the Remote with Lockout State Note that the Remote Enable is asserted when the FX100 is in the Remote State 2015 NTi Audio AG MBe Application hints 279 LWLS Local With Lockout State In the Local with Lockout State the user can change between any pages and can do any operations The state changes to the Remote with Lockout State on e any SCPI message e a trigger message e an Initiate Clear request RWLS Remote With Lockout State If this state is entered the FX100 Device returns immediately to the test page from any other position in any other page In the RWL state any user input is locked except headphone settings source channel volume and the user cannot change to any local state This gives the PC software the full control over the FX100 Device For any user inputs the PC Software must send a Go To Local request Then the FX100 Device changes to the LWL state 2015 NTi Audio AG MBe 13 Support If you have specific questions or
236. ut connector o AES Output Monitor gt the analyzer is internally linked to the generator output e Impedance o 110 Ohm gt impedance of input connectors 110 Q o 75 Ohm gt impedance of input connectors 75 Q o Hi Z impedance of input connectors gt 10 kQ e Indicate OV at x smpl gt if an overflow OV occurs in the digital audio signal the active measurement panel s will indicate this event as soon as the overflow exceeds the user defined number of samples Sync input Impedance e Hi Z gt impedance of Sync Ref Input connector gt 10 kQ e 75 Ohm gt impedance of Sync Ref Input connector 75 Q 6 1 2 Carrier status The AES carrier status provides information on the correctness of the digital audio data transmission Carrier Carrier i sync sample Rate e Sync gt LED indicates whether the analyzer is synchronized to the input signal Q bois y y y p g m Sample rate gt indicates the detected sampling rate e g o EI o o o standardized frequencies gt 32 44 1 48 88 2 96 176 4 193 kHz or o customized sampling rate gt No standard SR Error flags e Coding gt LED indicates that a bi phase error has occurred and the data sampled from the biphase stream may not be correct e Parity gt LED illuminates if the digital audio data was received with odd parity which indicates a potential transmission error e Invalid CH1 2 gt LEDs indicate that the digital audio signal of the c
237. vary from those of a linear GlideSweep 3 Only available if a SIL or SIH option is installed GAME E Only available for external GlideSweep transmission 9 Only available if FX AES board is installed 2015 NTi Audio AG MBe 146 FX Control User Manual 8 4 1 Frequency The frequency measurement detects amp analyzes the frequency of the dominant input signal component Meter mode only Properties Properties e Header gt editable name of the numerical frequency Header measurement display meter Frequency Ch1 e Source gt measurement function if it shall be amended click on the button Source wy IER 1 Measurement Meter Frequency pai e Active o On gt measurement is active o Off gt measurement is inactive Unit Hz e Unit Limit Low Hz o Hz gt Hertz Limit High Hz o ppmr gt deviation in ppm relative to the current reference frequency Format o e Limit s o Low gt optionally enter the lower tolerance limit of the frequency measurement o High gt optionally enter the upper tolerance limit of the frequency measurement Hint lt is possible to enter no limit only the upper or the lower limit or both limits e Format the format in which the numerical results are displayed Result display The frequency measurement results can be displayed either as a numerical value or in a bargraph Meter Frequency Chi a Meter Frequency Ch1 1000 026 Hz Min 394 8417 Max
238. vel Calculated Generator Level 23 51 dBV Calculated FX100 output level that results in lt 80 dB THD at the DUT input pins gt Generic Amplifier 8 Equalizer A Controller Analog Generator Analog Analyzer Required wring for device testing 2015 NTi Audio AG MBe Regulators egualization 129 7 2 GlideSweep range An accurate GlideSweep measurement requires that the input range i e sensitivity of the FX100 analyzer has been adjusted properly prior to the signal transmission For this purpose FX Control provides an automated procedure that evaluates the optimum individual input ranges for the analyzer channels Recommended procedure 1 Establish the test setup and wiring 2 Adjust the generator GlideSweep properties e g output level start amp stop frequency 3 Click on the 9 S P Range button in the Worksheets ribbon select the FX100 Device being employed and confirm OK gt the GlideSweep Range panel opens 4 Adjust the regulator properties i e e the analyzer channel s to be regulated e the headroom i e additional offset to the minimum required input range Properties Header GlideSweep Range Source oe FX 1 Analyzer Channels e ik Headroom 6 000 dB 5 Make sure that the generator outputs are not muted and start the procedure Run and Apply Range GlideSweep Range Run and Apply Range Calculated G
239. weep data Properties Active gt enable the channel s for the impulse response measurement Unit gt Unity 1 1 Start Stop define the zoom range of the impulse response graph GlideSweep ImpulseRespon F E x A Channel 1 Active On T Start 30 00 ms gt Limits optionally enter the lower upper tolerance limits for the measurement Write Full Res Results to file o Active On gt Full resolution mode is active Stop 0 100 5 El Limits Edit Data Write Full Res Results to file o Active Off Full resolution mode is disabled Result display The impulse response results are displayed in a graph whereby the grey vertical line indicates the end point of the active time window GlideSweep ImpulseResponse Ch1 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 E 2 0 1 0 2 0 3 lt FX 1 Measurement GlideSweep ImpulseResponse Ch1 0 4 11 62 ms 0 2233 Unity 0 5 0 6 0 7 0 8 0 9 1 3e 3 2e 3 10e 3 12e 3 14e 3 16e 3 18e 3 20e 3 22e 3 S 2015 NTi Audio AG MBe 176 FX Control User Manual 8 4 14 ETC The ETC Energy Time Curve is directly calculated from the acquired GlideSweep data Properties GlideSweep ETC e Active gt enable the channel s for the ETC measurement A channel 1 e Unit the unit of the Y axis Active Off e e CB e Start Stop define the zoom range of the ETC graph start 30 00ms e Limits gt optionally enter the lower
240. ww nti audio com 282 FX Control User Manual Ya jack 20 1 1 3rd octave band 251 A Abort measurement 182 277 Abort sequence 228 Abs 203 AC coupling 103 Activate sheet 235 adB 203 Advanced 256 AES 119 analyzer domain 102 board 29 carrier status 120 channel status 121 clock 122 generator domain 81 hardware amp wiring vew 70 input sample rate 179 input settings 119 output settings 119 sync input sample rate 180 sync status 122 AES17 filter 106 Align items on worksheet 58 Amplifier 38 59 D class filter 41 Amplitude equalization 99 profile 83 93 99 sweep 83 112 Analysis range PureSound 165 Analyzer analog 2 bias 104 coupling 103 digital 29 domain 102 GlideSweep 114 GlideSweep range 103 input range 102 properties 101 settings 101 Application button 49 54 hints 259 Arrange items 58 Audio file 64 150 177 194 Aux input 235 output 235 Auxiliary WO interface 21 182 228 235 pin assignments 21 trigger 182 228 235 wiring 21 A weighting 106 B Balanced analyzer 27 generator 25 82 Bargraph 61 187 Bias 104 analyzer 27 input switcher 44 Black burst 122 BNC 82 analyzer 27 digital analyzer 29 digital generator 29 generator 25 Boolean operators 203 output 235 Brickwall filter 106 Bridge mode 36 Build report 235 example 273 template 2 73 Ca Calculated Passed Failed 61 example 205 Calculation button 61 examples 205 2015 NTi Audio AG MBe
241. xis to Errors J Add to current view OK Cancel The software limits are now ready for application gt as soon as you run a measurement the acquired data will be checked against the Low High limits and the Passed Failed result is displayed Click on the button ki in the top bar of the Passed Failed panel to show the Calculated Passed Failed E Hx e tolerance limits green band e last acquired result curve green line PASSED e failed measurement points green rectangles Calculated Passed Failed 120 20 30 4050 70 100 200 300 500700 ik 2k 3k 4k5k 7k 10k 20k Hz Normalized result alternate display mode Calculation Item TE Calculation Item It is also possible to display the result curve in a normalized O way where only the deviations of the acquired measurement wn m ee data from the Golden Sample are shown i e flat line Add Parameter perfect compliance of the measured device with the Golden t Golden sample x Sample Do il Measurement GideSweepevelCht gll Formula Xi sl i Execute steps 1 to 7 as above Result Unit as li Create a generic calculation item e g labeled Deviation pa aaa ES es iii Select the Golden Sample and the current measurement as inputs and enter the Formula that subtracts these two inputs from each other Calculated Passed Failed Iv Select the Result Unit dB and click on OK Name Calculated Passed Failed I
242. y Panel Calculation litical Y Previous Result aiii Bandwidth B hartrare 3 Coupling Chi oe o B Channel 1 12 00 asil El Lon ac E Highest Harmonic E B ee Channel 2 9 000 dev oFF E PureSound z a Si Channel 3 mg dev oFF e Analysis Range Channel 4 9 000 dev oFF Points Max Runs 2015 NTi Audio AG MBe Software 53 Step 3 Activate the measurements Optionally add new sheets to the WorkArea e g to host the measurement result displays and rename them Drag 4 drop a measurement from the toolbox to the WorkArea or click on a button in the ribbon and select the required measurement Use the regulators to adjust or equalize the generated test signal or to optimize the analyzer input range Add a calculation item to calculate special results out of the acquired data Record reference data and define the tolerance limits Fx StartupProject FX Control 2 2 1 Click on button to add a new _ worksheet ze R ls Du it f Panel Disp lecto Sa Calculation d 4 SS TIE Right click on tab A to rename it Toolbox 5 dle GlideSweep Speakerlmpedance Ch A Hardware Fx 1 A Ei Sources KO Generator E Tei FX 1 Measuremen x np D Analyzer Ki Active On E Measurement Click on item ES Meter to show its Reference roperties KE StenSweep R prop Type VoltageValue Glides fF hae 1 0000 Y El Reeg sn 100 200 so vale External THD SE a a lh OE Shunt Resistor 1 00
243. ysis and not level distortion etc measurements are possible with Linear GlideSweep transmission Level Ate Aan Gei 206 1k zk dk Sk Sk 10k ik 40k f Hz Level dB 20 30 200 400 op 800 k ik ik ik ib A A3 A4 f Hz Examples of generated logarithmic linear GlideSweep test signals 2015 NTi Audio AG MBe KOH FX Control User Manual Generator properties Bandwidth Frequency 20kHz Logarithmic 20 00000 Hz 20000 00 Hz Spacing Start Stop Fade In Length Fade Qut Total Length Max Length Highest Harmonic 4 Channel 1 YAxisUnit Logarithmic e Disable Edit Superposed AAA Level Fade In signal Hint External Export gt click on the Generate The Fade In signal duration should be about 5 x 1 fstart 9 fs Bandwidth The bandwidth of the FX100 analyzer can be limited to 20 kHz in order to prolong the maximum GlideSweep duration e 20kHz gt max 40 seconds GlideSweep duration e 80kHz gt max 10 seconds GlideSweep duration Frequency e Spacing o Linear gt the rate at which the sweep moves over the frequency axis is linear NOTE level or distortion measurements are not possible with linear GlideSweep transmission o Logarithmic gt the rate at which the sweep moves over the frequency axis is logarithmic e Start gt start frequency of GlideSweep must be lt stop frequency e Stop gt stop frequency of GlideSweep

Download Pdf Manuals

Related Search

Related Contents

Ensemble n°272  Betriebliche Situationsbeschreibung: Härterei  hAonitor Measurement Reports 7 Adngsrtrtqhgniftrggggency  Digitus DA-50100 equipment cleansing kit  User Guide - CIE  Manuel d`installation - Instructions Manuals  

Copyright © All rights reserved. Failed to retrieve file