MiniLINK - Farnell
Contents
1. MIniLin ser Manual NTI contact details NTI AG Im alten Riet 102 9494 Schaan Liechtenstein Europe Tel 423 239 6060 Fax 423 239 6089 E mail Web NTI AG All rights reserved Subject to change without notice Release 2 22e Oct 2007 Software V2 22 MiniLINK Minilyzer Digilyzer Acoustilyzer Minirator MiniSPL and Minstruments are trademarks of NTI Index 1 Introduction CE Declaration of Conformity International Warranty and Repair Warnings Installation Installation of MiniLINK USB Interface MiniLINK PC Software Installation Start the MiniLINK PC Software MiniLINK Firmware Upgrade Free Registration of your Test Instrument New ML1 amp DL1 Firmware Memory Function Start up Screen Power Saving Function Low Battery Indication Minilyzer ML1 specific Features SPL LEQ Logging SPL LEQ Filter Flat Filter THD N k2 k5 Distortion Analysis Polarity Test Function Induction Loop Mode Digilyzer DL1 specific Features Event Logger MiniLINK PC Software Read Out of Stored Test Results Visualizing the Test Results Copying of Test Results and Screenshots Save Test Results amp Screenshots Delete Test Results of Analyzer Memory Test Result Logging at the PC Remote Test Instrument Control with the PC MiniLINK Tools Troubleshooting 1 Introduction Congratulations and thank you for buying NTI s MiniLINK a product to support the docum2. Note Using one MiniLINK USB interface for more than one test instrument is not permitted After the installation of the USB interface into a Minilyzer or Digilyzer it has to remain inside this test instrument and is not allowed to be installed into another device Any actions against this term will cause the non validity of the warranty conditions Restrictions This warranty does not cover damages caused through accidents misuse lack of care the attachment or installation of any components that were not provided with the product loss of parts connecting the instrument to a power supply input signal voltage or connector type other than specified or wrongly polarized batteries In particular no responsibility is granted for special incidental or consequential damages This warranty becomes void if servicing or repairs of the product are performed by any party other than an authorized NTI service center or if the instrument has been opened in a manner other than specified in this manual No other warranty written or verbal is authorized by NTI Except as otherwise stated in this warranty NTI makes no representation or warranty of any kind expressed or implied in law or in fact including without limitation merchandising or fitting for any particular purpose and assumes no liability either in tort strict liability contract or warranty for products Repair of MiniLINK In case of malfunction take or ship prepaid your NTI Mini
3. MEM e Select VIEW DELETE Press the enter key 16 HENRY EnIT DEL ALL a H015 F HEEF DEL n HI1H LoGsFL o MOBB_FALANCE DEL o HUE T 3RD C CTS n HOBG_SCOFE 2 H EMVLULRHS HEHaOE ExT DEL ALL LIAO 1S_FsHEEF DEL o HI IM LonsFL B MOBB_FALANCE DEL o MDG T 3RD O CTS n HOBG_SCOFE o H EMLULRHS square HE HRY ERIT DEL ALL PHO 1S_FshHEEF DEL o HI IM LonsFL B HIBEB EALRhCE DEL o HUE T 3RD C CTS n H BB 5COFE o H EMLULRHS Recorded test results The stored measurements are listed in continuous order from top to bottom The latest recorded measurement is always on top of the list The remaining memory space is displayed in the right upper corner of the screen Display recorded test results e Select any record in the list using the cursor Press and hold the enter key e The recorded measurement is displayed on the instrument screen Note that at the same time the small square in front of the selected measurement changes color This measurement is now ready for the quick recall mode Quick recall mode ML1 only After leaving the memory overview the previously marked memory location can be displayed by pressing and holding the keys ESC ENTER This feature is very useful e g to compare the actual 1 3rd octave spectrum with a stored spectrum 17 Start up Screen ANALOG AUDIO ANAL YCER HLI ANMB ISADORE INITIALIZING SYSTEM ANALOG AUDIO ANALYEER HLI A
4. CO A low battery symbol is displayed in the 5 985142 fj MEM field of the menu bar to indicate that 1H B dBr a change of batteries is required REF 1D D dEu 19 4 Minilyzer ML1 specific Features The new Minilyzer ML1 specific features are described in the following capture SPL LEQ Logging Note The logging function is a free add on to the MiniLINK available after the registration of your test instrument see Free Registration of your Test Instrument The Minilyzer can record the SPL LEQ curve flow e g during an event for many hours The results can then be loaded to a PC and visualized as a level diagram using e g Microsoft Excel The stored results remain within the Minilyzer memory even in the event of a battery failure during the recording session LEVEL T LTBh 5E TUFTHER Start SPL LEQ logging After the ML1 is successfully registered WR RE you will find the additional LOG AS function in the LEVEL SPL memory menu This feature enables you to record the following test results Actual SPL and LEQ value e LEQ Overload At each recording interval SPL averaged minimum and maximum 20 LEUEL Ta LJTP TEETUFTHER Setting of recording time The maximum recording time END of the sound pressure level logging depends on the remaining memory and the selected test interval period T The logger may record a maximum of 1500 points over a custom defined time The test interv
5. such as the 1 3rd octave analysis or sweeps the results are stored in table form at the same time 15 Each recorded screenshot is automatically saved with a file name consisting of the test mode and a continuous running number xxx running number from 000 999 afterwards starting with 000 again e ML1 Mxxx test mode e g M075 Balance M076 LOGSPL e DL1 Dxxx test mode Note The stored measurements remain available in the memory even after removing the batteries for longer period of up to several years a Storing test results LEVEL FLAT SETUFI HER STORE AS LU ETE n E VIEW DELETE 1 0nni Hz LEUEL FLAT sETUP HER CAMMOT STORE 1 000442 HEHORY FULL D peur at ae LILILI A HAH m OU O U Bn n BD dEu DIU 20 0 Store screenshots numerical results Open the menu MEM Press the enter key Each recorded screenshot is automatically stored with a file name consisting of the test mode and a continuous running number Maximum memory Minilyzer ML1 39 Screenshots Digilyzer DL1 78 Screenshots without numerical data If no more memory is available the message CANNOT STORE MEMORY FULL appears b Display amp manage memory LEUEL FLAT SETUF HEN STORE Aas i DOOK jaos6_LULRHS HIEN IELETE 0 0 LJ LJ 4A HRH pE E Bn n BD dEu DIU 20 0 Open memory overview All previously stored measurements can be displayed in the memory overview screen Open the menu
6. C 60118 committee members recommendations Calibration CGS sETUPIHER An induction loop receiver transforms a ThBUrTTOR Lowe magnetic field strength to an electrical SERSITIUITY level The receiver sensitivity is specified mcm OBIINBEN within the technical data Before a valid LUNA da a measurement can be started the ML sensitivity setting must be adjusted accordingly 26 Filters LUL Fast 2T SETUF HER The ML1 has a built in A weighting and HInCHAS evo a ra a HP400 high pass 400Hz filter which 67 6 dB may be activated using the filter menu i For detailed test requirements please refer to the IEC 60118 standard The HP400 filter has an excellent rejection of mains frequencies which sometimes is a dominant part of the signal received by the induction loop receiver HAs bb 8 dELF Level Fast Level Slow WINEZHErrar SETUFTHEM Level of the magnetic field strength WIDeMAS 3 YT 3 measured in accordance to IEC60804 67 J dB sound pressure level time weighting with EE I F Wd l HAH 61 0 dELF the following integration times e Level Fast 125ms WINFNTErraT SETUP HEN NINe HAY RESET 2 3 67 4 dB Hr hb1 3 dEL5 e Level Slow 1s Level PPM VINETITERRLAT sETUrTHER Level of the magnetic field strength WIDeMAS 3 3 measured with a ppm like peak detector 78 3dB els Hii 10 1 dELP Integration time 10 ms dE NE EE NES O 4 dBLp dB Loop pea
7. MiniLINK PC software supports the transfer of customized start up screens to the test instruments The personally defined start up screen will be displayed instead of the factory logo every time the test instrument is switched on E Edit Tools p ML1 Memory Logging Delete Copy M DS LVLRMS MO06_LOGSPL gt gt RARLQE nubilo RAALYSER NLD M002 3RD DCTS MODI VU PPM 1 RRR TIRGRGAL DNNUNNUNN OU SRITIRLISIAG SYSTEN 45 Open the Set Startup Screen window by using the menu Tools gt StartupScreen at MiniLINK The panel Set Startup Screen displays a sample default factory startup screen The white center area 100 x 32 pixels can be customized by the user The remaining top amp bottom gray area is fixed and cannot be altered Guideline to define the new start up screen Use a pre defined picture The MiniLINK PC software will convert it to a 100x32 pixel black amp white picture automatically The following file types can be used as start up screens pcx bmp dic rle ico wmf Alternatively create a new start up screen yourself using any picture paint programs such as Microsoft Paint Set the file size to 100x32 p and insert any text or graphics for the start up screen Save the file bmp format Press the button Load Image to select the file containing the new start up screen The start up screen preview is displayed on the PC monitor
8. Minilyzer settings e IN XLR RCA Mode Cable The following problems may be detected quickly and easily in this way Wrong polarity caused by wrong or defective wiring inside the cable Cable problems unsymmetrical signals displayed with the balance indicator can lead to the accurate detection of various cable problems such as UBAL leads to a broken internal wire at a symmetrical XLR cable The balance indicator out of center leads to other cable problems as explained in detail in the NTI application note Signal Balance available for download at the NTI website ww nti audio com The level measurement is very useful for applications such as testing of multicore cables providing additional information about the cable quality 24 Induction Loop Mode The Minilyzer simplifies verifications and adjustments of AFILS Audio Frequency Induction Loop Systems AFIL systems are used in public buildings to increase the speech intelligibility for users of hearing aids Most hearing aids have a built in magnetic coil receiving audio signals generated by induction loop systems AFIL systems consist of a wire loop and a current amplifier generating a magnetic field into the hearing aid modulated by the audio input signal e g voice Adjustment and verification of AFIL systems is described in the IEC 60118 standard The Minilyzer together with an induction loop receiver is an ideal tool to accomplish the ne
9. Press the button Send to Device to transfer the file to the device The audio analyzer is switching off and on automatically so you can check out the new start up screen by yourself immediately Sample start up screens ANALOG AUDI rut ANALOG AUDIO ANALYZER HLi LRSHSELI ANALYZER HLL AUDIO RENTAL THOMAS SHITH AME ISADORE i ANMB ISADORE i INITIALIZING SYSTEM INITIALIZING SYSTEM AG 7 Troubleshooting a Numeric data import of txt files to Excel Problem The numbers are recognized as text only at the import of numeric test results to e g Microsoft Excel so you cannot create tables or use the data for further calculations Solution The MiniLINK data files uses blanks inbetween test results and the as decimal separator Please set the decimal separator to at the import procedure of these numeric test results into e g Microsoft Excel Alternatively you can use copy gt paste in the big view mode select the menu Edit gt Copy Text and paste the data into an open Excel document b Registration Problem The registration of your instrument does not work Solution Check out the latest available firmware and software releases on the web site http registration nti audio com VersionCheck phpr In case you are using older releases please download the latest versions and try the registration again 47 Overview Minstruments Products Minilyzer ML1 Analog A
10. S db File Edit Loos Help ML1 Memory Logging Hb ond oe AQ ENA ipai amp Cp serial number of connected audio analyzer 31 Visualizing the Test Results All stored screenshots are shown in the MiniLINK tab ML1 Memory 0 8 sI sI ed AB B 5 d og t ud 8 2 d l 8 i Big view of screenshots A double click on the screenshot will enlarge this screenshot In this mode the menu allows printing saving or copying of the screenshot or the numerical test results Any available numeric table is listed below the big view screenshot The displayed screenshots can directly be copied into reports for documentation e Select the menu Edit gt Copy Bitmap to choose the graphics or select the menu Edit gt Copy Text to choose the numerical measurement data Insert the clipboard into the reporting document with Ctrl V such as Excel Alternatively import the stored txt file including the numerical measurement data e g to Microsoft to Excel by using the Excel import assistant In the 1 3rd octave measurement screen the following additional numeric data is displayed below the big view screenshot e 1 3 octave frequencies e Level 32 Additional display of Minilyzer test results Logged sound pressure level records are displayed with the SPL LEQ LOG DATA screenshot The detailed test records are saved behind the screenshot Double click onto this
11. UDIO RENTAL THOMAS SHITH ANMB ISADORE i INITIALIZING SYSTEM Delete single memory Each stored result can be deleted individually from the memory e Select the DEL field beside the memory location to be deleted Pressthe enter key e The memory location is deleted from the device memory Delete all memories The complete memory can be deleted with the field DEL ALL Exit the memory overview press the ESC key twice or select EXIT The start up screen remains displayed by pressing and holding any button during the start up of the unit This supports e g the read out of the instrument serial number from your device The serial number starts with three letters such as e g ANK675A0A2 After the successful registration of the ML1 DL1 the start up screen may be customized See details in Customizing start up screen later in this user manual 18 Power Saving Function During the operation of the ML1 DL1 with AUTO POWER OFF 10 HIN the MiniLINK PC software the ML1 DL1 AUTO LIGHT OFF 3 SEL is powered from the PC and the following LCD CONTRAST i HULTIFLE SETUF WISHELE power saving functions are disabled Inb L nF HODE bese PRESS ESC TO ERIT SETUP Auto Power Off Auto Light Off After the PC software MiniLINK is switched off the ML1 DL1 is continuously further powered from the PC but the power saving features are enabled again Low Battery Indication VITE FLAT SETUP
12. al period T can be defined by the user in the format hh mm ss Review logging records When checking the recorded data in the SPL LEQ memory overview the SPL LEQ LOG LOG DATA DATA screen is displayed The result table is stored together with this screenshot and can be read out by using the MiniLINK PC software Note During the ML1 SPL LEQ logging the change of settings is not possible 21 SPL LEQ Filter LEWEL A LITO SETUP HEH CALTE k 00 05 28 99 3 dB HET 58 5 dESFL For most of the ML1 applications the sound pressure level measurements require the use of the A weighting filter To prevent wrong filter settings Causing wrong non usable test results the default filter setting of the LEVEL gt SPL mode is A weighting A WTD Note Each time the LEVEL SPL mode is selected the A weighting filter is pre set by default Flat Filter LEWEL FLAT SETUP HEN 60 04 Hz 2 3 TH f FLAT SETUF HEN 1 00ni Hz 2 t 3 43 4 dB End 92 5 dE The previously used filter description Linear has been changed to the proper english term Flat for no filter setting The THD N menu measures additionally the 2nd 3rd 4th amp 5th harmonics distortion simultaneously Select the individual test to be displayed below the main THD N test result 22 Polarity Test Function The polarity test function detects the correct cable and speaker polarity in combina
13. cessary measurements Induction Loop Receivers There are various induction loop receivers available from different AFILS components manufactures All known types work together with the ML1 Some receivers have a built in A weighting filter which must be disabled to prevent measurement errors Activation of the Induction Loop Mode e Enter the setup page of the ML1 AUTO POWER OFF 10 HIN inn a SITO LIHT OPES ace Change the position Ind loop mode to LED CONTRAST ENABLE HULTIPLE SETUP DISHELE Ind LOOF HODE Press ESC key to exit the setup page FRESS ESC TO EXIT SETUP After this the ML1 restarts in the induction loop measurement mode To return to the common ML1 measurement mode disable the induction loop mode in the setup page again 25 Induction Loop Measurement Menu LUL Fast The Minilyzer restarts with an specific new 2 Y 3 AFILS measurement menu including Level fast weighted Bb B dELF Level slow weighting Level PPM e THD N e F Sweep frequency sweep e 1 3rd Oct spectrum analyzer e Scope Calibrate Units mA m dBL The magnetic field strength is measured in A m Ampere per meter AFIL systems use 400mA m as a reference level The logarithmic unit of the magnetic field strength is dBL dB Loop and has a reference level of 400mA m Magn field strength 400mA m dBL 20 log 1 The designator of the unit dBL is not standardized jet but resulted of IE
14. e interval gt Min Minimum SPL value during one interval gt Max Maximum SPL value during one interval Time LEQ LAeq ACT dBSPL Min dBSPL Max dBSPL OVLD 15 16 36 82 1 61 4 60 8 64 1 0 15 16 37 81 8 85 2 60 8 106 2 0 IStI5 3B 100 4 oak 2th 0 Kr 8 a 8 o 4 ad s sd 0 2 8 6 9 0 8 4 z ond 0 X 3 a 6 0 25 8 6 8 0 3 6 0 8 0 od ad 8 d 0 To log online results please e Select the requested measurement function at the test instrument e Select the Logging screen in the MiniLINK PC Software menu e Select the required log time intervals Press the START button to start the test result logging Pressthe STOP button to end the logging process e Press the SAVE button to save the record to file Additionally the present screenshot displayed on the MiniLINK PC software can be directly copied to clipboard by pressing the marked icon with the mouse button Paste the screenshot into any files by pressing CTRL V 40 Remote Test Instrument Control with the PC MiniLINK supports the remote control of the analyzer from a PC Just click on the displayed test instrument and all keys can be operated with the below listed keys at the PC keyboard or using the mouse Click into these areas to change the screen selection e g SPL e RTA On Off Ctrl P ESC Light Ctrl L Arrow keys amp enter Shift or shift or the above indicated areas allow to change the scree
15. e update Firmware update of connected unit necessary Confirm the displayed message box showing Update Instrument Firmware and select the new firmware version xj for Minilyzer ML1 ids CA Programme MiniLINK Firmware M L 1 dA_V3 XX h ex istory C Usi e Firmware v e Ely for Digilyzer DL1 pem DL1eD D2 xx hex applicable firmware for the connected device Dateiname Dateityp bin 7 Abbrechen After confirming the selected device firmware the test instrument firmware is updated automatically Note In case of any problems during the firmware upgrade such as power failure etc the upgrade procedure can be repeated anytime 13 Free Registration of your Test Instrument The new firmware includes additional bonus features enabled after the registration of the test instrument at the NTI web site Overview of available bonus features Instrument Function Display ML Sound pressure logging LEUEL L9TB SE TUFT HER SPL LEQ with additional CALTE B MN memory menu 73 CELL PUES LOG AS xxx LOGSPL Pleads HOGG LoGSFL T7771 FAST RITE 4 20 B dE DIU ein ML1 Customized start up screen meer ANALOG AUDIO AL hoa ANALYZER HLL DL1 AUDIO RENTAL THOMAS SHITH AME ISADORE INITIALIZING SYSTEM After the startup the MiniLINK software automatically suggests the registration of non registered connected instruments Online registration The test instrument needs t
16. entation of test results from the Minilyzer ML1 the Digilyzer DL 1 and the Acoustilyzer AL 1 please refer to the AL1 user manual This manual describes the PC Software MiniLINK and includes the new firmware features of the Minilyzer and Digilyzer Further information about the analogue acoustical and digital handheld analyzers can be found in the NTI web site The MiniLINK package includes the following 1x MiniLINK USB interface 1x Battery cover for Minilyzer ML1 black 1x Battery cover for Digilyzer DL1 blue 1x CD PC software driver firmware for ML1 DL1 1x USB cable 1x MiniLINK user manual CE Declaration of Conformity We the manufacturer NTI AG Im alten Riet 102 9494 Schaan Liechtenstein Europe hereby declare that the product MiniLINK released in 2003 conforms to the following standards or other normative documents EMC Directives 89 336 92 31 93 68 Harmonized Standards EN 61326 1 This declaration becomes void in case of any changes on the product without written authorization by NTI Date 01 07 2003 Signature d Leeks Position of signatory Technical Director C c 4 International Warranty and Repair International Warranty NTI guarantees the functionality of MiniLINK against defects in material or workmanship for a period of one year from the date of original purchase and agrees to repair or to replace at its discretion any defective unit at no cost for either parts or labor during this period
17. er date Please observe the common ESD protection measures at the installation of the MiniLINK PCB interface 2 Installation Installation of MiniLINK USB Interface The following instructions must be observed to avoid the any damages on the instrument during installations a Preparation connector b ESD Precautions Remove the battery cover and all batteries from the device Remove the MiniLINK PCB from the ESD Bag Any static voltages must be removed prior installation Therefore you shall touch the lower left side battery contact with your fingers during the MiniLINK PCB installation Place the USB interface onto the left side of the battery case d Insert the USB interface Move the USB interface slowly down until the front corner at the USB connector is positioned below the test instrument housing front corner positioned below housing e Plug in the USB interface Push the USB _ interface gently onto the mounting move down simultaneously connector at the left side of the battery case After plugging in the connector the upper battery case edge must be visible This proves the USB interface has been installed correctly mounting connector f Remove the protecting foil lift the rear protecting foil Remove the protecting foil from the backside of the USB interface Hold the USB interface with one hand and lift the rear protecting foil si
18. f all numerical event logger data to the computer Please note the specific DL1 event logger display masking feature is not applicable All event records are memorized at anytime 29 6 MiniLINK PC Software The MiniLINK PC software enables the transfer of stored measurements from the Minilyzer Digilyzer to the PC and the online data logging To start the software follow the windows path Start Program MiniLINK The analyzer switches on automatically and the following screen is displayed on the monitor Acoustilyzer The test instrument is powered by the USB interface and therefore switches on by itself During the operation with the connected USB interface the batteries should not be removed from the device 30 Read Out of Stored Test Results The analyzer memory is automatically transferred to the PC and visualized with small screenshots at the MiniLINK memory window Note The MiniLINK memory window remains empty when no test results are stored within the instrument Otherwise use the PC mouse to click onto the ML1 Memory tab to initiate and update the data memory window The test instrument display at the PC is synchronized to the actual LCD screen display of the connected audio analyzer The title bar reads the serial number and firmware version of the test instrument MiniLINK PC firmware of software release connected audio synchronized display version analyzer l I CEENHEED YET SITE
19. gging Delete vx Copy E m BITSTAT D104 CH s D Arrows indicating additional numerical test results are stored together with this screenshot FIN LOGGER POUR 037 CH STATo NSA 36 Example Display of Digilyzer Event Logger results The following numeric test results can be recorded and displayed in the event logger mode Test configuration Time relative to logging start Event Count number of irregularities of the digital input signal during each recording interval Group listing the event category Event exact description of signal irregularity Info detailed listing of recorded events at channel A and B i EVENT_LOG File Edit gt Event Logger Results gt Input source S PD gt PPM OVTH eee TIME EventCount 0 00 01 20 0 00 02 20 0 00 03 20 0 00 04 10 0 00 04 10 0 00 05 16 0 00 05 4 0 00 06 20 0 00 07 20 0 00 08 20 0 00 09 1 0 00 09 14 Dye presa 1 0 00 12 2 Group Event INTEGRITY WORDLEN INTEGRITY WORDLEN INTEGRITY WORDLEN AUDIO MUTE INTEGRITY WORDLEN AUDIO MUTE INTEGRITY WORDLEN INTEGRITY WORDLEN INTEGRITY WORDLEN INTEGRITY WORDLEN CARRIER UNLOCK INTEGRITY WORDLEN CARRIER LOCK AUDIO MUTE 0010 0010 0010 0005 0005 0008 0002 0010 0010 0010 0007 0001 B B td td td td td td td moo 0010 0010 0010 0005 0005 0008 0002 0010 0010 0010 0007 0001 v 37 Save Test Results am
20. k 27 TH f FLAT SETUF HEN 1 0001 H2 2 7 3 62 9 dB LUL 8 01 dEL EE 1 Bn n PORE DIU 20 0 ann gD DDEHz B 14d EL H0 0 lum PO i100H2 ik ilk 1 3 Octave irira OCT FLAT SETUF HEN eS 0H2 didEL SCOPE FLAT SETUF HEH A d D dm 5 DIU D i1DDBm s DIU 1 000kH2 Total harmonic distortion noise Please refer to the Minilyzer user manual for more details Frequency Sweep recording Please refer to the Minilyzer user manual for more details The frequency tracking will not work if mains frequency components dominate the input signal Activating the HP400 filter will attenuate all main frequency components and a frequency recording is possible 1 3rd octave spectrum analyzer This function shows the spectrum of the input signal in 1 3 octave bands Please refer to the Minilyzer user manual for more details The ML1 input ranging is not necessary in the induction loop mode and therefore not included Time domain of the input signal in A m Please refer to the Minilyzer user manual for more details 28 5 Digilyzer DL1 specific Features Starting with the DL1 firmware D2 00 the Digilyzer includes the features already described in New ML1 amp DL1 Firmware such as e Memorizing of screenshots and measured data e Online logging Customizing of start up screen Event Logger Starting with the firmware D2 10 the Digilyzer supports the read out o
21. lyzer or Digilyzer with the installed USB interface packed in the original box to the authorized NTI representative in your country For contact details see the NTI web page Jwwint audio conf Make sure to include a copy of your sales invoice as proof of purchase date Transit damages are not covered by this warranty Warnings Alas The MiniLINK USB interface is designed for the installation into one ML1 or DL1 It shall not be removed and used in any other device The mounting connector may be damaged due to multiple plug in off actions The pin1 of the XLR input connector and the RCA connector are grounded The connection of the test instrument via the USB interface to the PC causes a test instrument connection to the PC ground Please observe these ground connections at any measurements of high power amplifier outputs otherwise the device under test or the test instrument may be damaged The way to safely test any power amplifier output is to connect the speaker and terminals to the balanced instrument pins 2 and 3 Do not use pin1 Otherwise the USB cable has to be removed for the measurement The Minilyzer RCA connector should not be used for any power amplifier measurements with connected USB cable NTI recommends that any sensitive measurements with low levels or good THD N values are carried out without the USB cable connected The test results can be stored in the audio analyzer and transferred to a PC at a lat
22. morized test results in the test instrument can be deleted as follows Directly in the test instrument memory overview e Select the screenshot in the MiniLINK memory screen and press DEL on the PC keyboard or using the delete function of the MiniLINK memory menu e Selecting the delete function when saving the screenshots test results to the PC Test Result Logging at the PC MiniLINK allows the continuous online logging of test results The actual test results of the test modes Minilyzer ML 1 Digilyzer DL 1 e Level RMS REL SPL Bitstatistic e THD N vu PPM e Level RMS Level Peak e Balance e THD N can be logged online in customer defined time intervals This test data is saved into the MiniLINK PC software directly At the end of the logging process press the SAVE button to save the test results in ASCII format to your PC The saved data file name is e g ANK675 PcLog Level SPL The logging function is ideally suited for long term monitoring or troubleshooting e g in repair or broadcast applications 39 icon for direct copying of present screenshot i 3 MiniL INK V2 10 ML1 ANUB46A0A2 V3 11 File Edit Tools Help ML1 Memory Logging Interval 1sec gt Selected Filter A Weighting acc IEC 60651 Aaj gt Time Weighting Fast gt Initial Integration Time 00 00 11 gt Mic Calibration 20 mV Pa gt Selected Range 60 to 140 dBSPL gt ACT Mean SPL value during on
23. multaneously hold the USB interface with the other hand simultaneously g Press the USB interface to the housing h Complete the test instrument close battery cover 10 Press the USB interface gently together with the battery case It should be mounted properly in the test instrument and stick to the battery case The USB interface is mo unted permanently inside the ML1 DL1 and must not be removed again Insert the batteries and use the new enclosed battery cover to close the battery case Use the blue colored case for the Digilyzer and the black one for the Minilyzer The USB interface installation is completed and the test instrument is ready for operation MiniLINK PC Software Installation a Switch on the PC with a windows operating system MiniLINK supports Windows 98 SE 2000 ME and XP b Insert the enclosed MiniLINK CD into the CD drive c The MiniLINK software installation starts automatically Follow the instructions on the screen If the CD auto start is disabled on the PC follow the instructions below e Click on Start gt Run at the windows taskbar e Type d setup assuming d is the letter of the CD drive e Confirm with ok After completing the software installation the MiniLINK CD shall remain in the CD drive for the next step Note If the MiniLINK PC software has been previously installed on the PC the old
24. n selection of the enabled measurement function 41 MiniLINK Tools The MiniLINK PC software includes many useful tools as follows e LCD Fullscreen Update Firmware Crossgrade Firmware e StartUp Screen sist nel File Edit Tools Help LCD Fullscreen Update Firmware Crossgrade Firmware StartupScreen ML1 Mt Delete M D6 LOGSPL gt gt M D5 LVLRMS MD04 LVLSPL M O3 SCOPE MO00_THD_N gt gt MOD2 3RD DCTS MOO1VU_PPM_1 TIME SWwEEP gt gt 42 LCD Fullscreen The actual test instrument display can be shown on the PC monitor in a full screen mode To enter the full screen mode e Select the menu Tools FullScreen at MiniLINK or click onto the symbol To exit the full screen mode Press the Q button on the PC keyboard or simply click into the screen with your PC mouse icon for large screen display A 3 MiniL INK V2 10 ML1 ANU846A0A2 V3 11 File Ecit Tools Help ML1 Memory Logging lei ks MOD LOGSPL gt gt MOOS LVLRMS MOOS LVLSPL MOO3 SCOPE M002 3RD DCTS MOOI VU PPM_1 MOOO THD N gt gt TIME SWEEP gt gt n UG 43 Firmware Update NTI provides free updates of the test instrument firmware and the MiniLINK PC software at the NTI website www nti audio com To check out any available online updates follow these instructions Connect your PC to the web amp start the MiniLINK PC software e Connect the in
25. o be connected to the PC Proceed with the above automatic registration or alternatively select the MiniLINK menu Help gt Register Offline registration Register your device at http Key in your details and the serial number of the device Read out the instrument serial number from your device by starting the instrument and keeping any button pressed The start up screen remains displayed The serial number starts with three letters such as ANK675A0A2 After successfully registering your device you will receive an e mail with your registration key within a few minutes Please insert this key in the MiniLINK menu Help gt Register The test instrument needs to be connected to the PC 14 3 New ML1 amp DL1 Firmware Starting with the following firmware versions the ML1 and DL1 includes many additional new features Minilyzer firmware V3 00 Digilyzer firmware D2 00 The most important one is the memory function The new Minilyzer and Digilyzer features are described below Please note that all new features applicable for the audio analyzers ML1 and DL1 are shown and explained by using the Minilyzer ML1 Memory Function MEM memory function menu bar HLEUEL FLAT SETUF HEH 50 04 Hz B 31 BH HB dBu 4A HEH 15 0 9 0 dur DIU 10 0 The menu bar includes the new memory field to store a measurement as screenshot on the device itself At test functions with many numerical test results
26. ollowing numeric test results can be recorded and displayed in the time sweep mode Test configuration Time relative to logging start THD actual min amp max of selected time interval Level actual min amp max of selected time interval Frequency actual min amp max of selected time interval EH TIME_SWEEP File Edit Time Sweep Data Selected Filter Time DD DD DD DD DD DD Os DD DD DD DD DD THD 62 62 E ps 44 43 43 744 00 48 eB 31 00 T7394 50 54 9 47 Sin 00 80 70 40 60 60 40 70 40 40 max Lvl RMS dBu D 80 80 90 00 50 40 20 20 40 10 90 10 50 34 34 35 42 pus d a 54 94 48 46 46 44 00 00 90 I 30 00 00 D 40 00 00 00 44 44 44 00 Da 35 Additional display of Digilyzer test results The event logger records are displayed with the EVENT LOG DATA screenshot The detailed test records are saved behind the screenshot Double click onto this screenshot to enlarge the screenshot and display the event logger records These data are stored in a different memory bank than the other stored measurements Therefore this screenshot is displayed in a different color at the last position EVENT LOG DATA EA MiniLINK V1 20 DL1 DNN403A0A1 D2 10 File Edit Tools Help DL1 Memory Lo
27. p Screenshots The displayed screenshots can be saved as bitmap files bmp to the PC s hard drive Any available numeric test data will be saved as text files txt The format of the saved data are test results separated by blanks and the point used as decimal separator The file names are the first six 6 digits of the device serial number and the screenshots name For example the screenshot MO11 FSWEEP recorded e g with a Minilyzer S N ANK675 is saved as ANK675 MO11 FSWEEP bmp and ANK675 MO11 FSWEEP txt This enables to store various test results of more audio analyzers on the same PC Save the stored test results as follows e Select the screenshots to be saved in the memory field Press the SAVE button or select in the menu File gt SAVE e The following menu below will be displayed Select the configuration and press SAVE File Ecit Tools Help ML1 Memory Logging Qeieta ey d iecaerrer Tue Selected files MOO2 3RD DCTS t Delete files in instrument memory after save iv Delete files after save s All Selected files Save Cancel b 38 When saving the screenshots to the PC the same memorized values can be deleted at the test instrument automatically Just select in the above displayed menu Delete files in instrument memory after save to empty the test instrument memory simultaneously Delete Test Results of Analyzer Memory The me
28. screenshot to enlarge the screenshot and display the numeric test records e TimeSweep mode The Minilyzer is able to record the results within the time sweep mode All numeric data is recorded and available by double clicking on the TIMESWEEP DATA screenshot The time sweep records are stored in a different memory bank than the other stored measurements Therefore this screenshot is displayed in a different color at the last position SPL LEQ LOG DATA TIMESWEEP DATA Arrows indicating additional numerical test results are stored together with this screenshot 33 Example Display of SPL LEQ Logging test results E M000_LOGSPL File Edit MO Oe NEN Level SPL Selected Filter Time Weighting Initial Integration Time Mic Calibration Selected Range AGT Min Max Mean SPL value during one interval A Weighting acc ER bo fo 40 to 120 dBSPL 00 00 00 20 mV Pa Minimum SPL value during one interval Maximum SPL value during one interval LEQ LAeq ACT dBSPL Min dBSPL Max dBSPL OVLD 7 ae x 6 1 2 r 0 2 6 8 9 J 03 Cn J C2 M 34 n 1 Jw Ku IEC 60651 ne The SPL LEQ logging function provides the following test results Test configuration Time relative to logging start Actual SPL and LEQ value At each recording interval SPL averaged min and maximum LEQ Overload Example Display of numeric time sweep test results The f
29. strument with the USB cable to the PC e Select the menu Help gt Look for Updates at MiniLINK Follow the download instructions Alternatively you can check for any new firmware and software releases at the web site http registration nti audio com VersionCheck phpf e Select the menu Tools gt Update Firmware at MiniLINK Select the new firmware version in the displayed screen below ix for Minilyzer ML4 ML1dA V3 xx bin Directory History CA Programme MiniLINK Firmware C Leld zJ Firmware v Ely for Digilyzer Pe DL1dA_D2 xx bin applicable firmware for the connected device Dateiname TE 7 7 bin Dateityp c bin M Abbrechen After confirming the selected device firmware the test instrument firmware is updated automatically Note The firmware update deletes the internal device memory In case of any problems during the firmware upgrade such as power failure etc the upgrade procedure can be repeated anytime 44 Firmware Crossgrade The Acoustilyzer AL1 and the Minilyzer are based on the same hardware platform with different specific firmware installed The available crossgrade packages allow to install the ML1 firmware into the AL1 or to install the AL1 firmware into the ML1 The Crossgrade function can be enabled by installing the option ML1 AL1 Crossgrade Note The firmware crossgrade deletes the internal device memory Customizing the Startup Screen The
30. tion with the Minirator MR1 The Minilyzer provides the following test configurations a Speaker polarity test POLARITY SETUF HEM Feed the speaker system with the polarity II E Nl RCA s FULL A HID 2 Y 3 test signal of the Minirator and adjust the level at MR1 or amplifier that the test POS I T I VE signal is good to hear USE HR1 POLARITY SIGNAL Minilyzer settings POLARITY sETUP HER III LR RCA d e IN MIC INT using the internal mic of the Minilyzer ML 1 2 1 3 e N XLR RCA using an external mic such as the MiniSPL POSITIVE USE HR1 POLARITY SIONAL Note Choose the polarity test frequency range e FULL MID for tests with wide band speakers e WOOFER for tests with woofers Please note the polarity testing is a simplified measurement of a very complex signal phasing Drivers speakers and cross overs cause severe phase shifts of the audio signal The polarity of various speakers within the same cabinet can be different This is not a problem nor caused by bad speaker design Polarity testing is useful for checking the correct wiring of similar speaker systems 23 b Cable polarity test POLARITY sETUP HER II HLRe RCA iim i POSITIVE LUL 0 8 dEu USE HR1 POLARITY SIONAL Use the polarity test signal of the Minirator to feed the cable under test The Minilyzer analyzes the signal polarity at the other end of the cable
31. udio Analyzer Minirator MR PRO Analog Audio Generator Less noise e More sound Acoustilyzer AL1 Acoustical Analyzer MiniSPL Measurement Mic MiniLINK Digital Audio Analyzer PC Interface amp Software Digilyzer DL1 www minstruments com MI E 1000 WE 10 07
32. version will automatically be removed You need to run the set up program again for a new installation d Use the attached USB cable to connect the test instrument to the PC Windows recognizes the new hardware component automatically and starts the hardware installation assistant Follow the instructions of the installation assistant Please select the CD drive as source for the USB driver when asked by the installation assistant 37 17 In case the warning messages Digital signature not found Do not install driver not certified driver or similar come up Don t listen to Microsoft listen to us and continue with the installation 11 Start the MiniLINK PC Software After the successful driver installation the MiniLINK software can be started the audio analyzer needs to be connected with the PC a To start the software follow the windows path Start gt Program gt MiniLINK b The analyzer switches on automatically and the following screen is displayed on the monitor File Edit Tools Help ALI Memory Logging aED R2 AL1 Acoustilyzer c The MiniLINK software checks the installed test instrument firmware and suggests an automatic firmware upgrade of the analyzer if required 12 MiniLINK Firmware Upgrade The MiniLINK software checks the installed firmware version of the connected test instrument and suggests an automatic firmware upgrade if required i MiniL INK Firmwar
Download Pdf Manuals
Related Search