CTS HAC Tester User Manual - Crescendo Tech Services (CTS)
Contents
1. Info System Calibration Max of J ABM1 Sweet Spot mm dB A m dB ABM1 ABM2 Ouality x Y Inf nf Inf nf Inf e x Y ABM1 ABM2 Quality L Start gt mf Inf Inf Inf Inf Radial X Test Mode x x ABM1 ABM2 Quality Y Inf Inf Inf nf nf a Stepper Scan Center mm Frequency Response 2 In Templates Step Size X Y Tio mm o o lo 0 0 mm Scan Area Z L x wey T Coil HAC aaa 1620 0 420 0 T Coil Rating Interface ategory Failed Handset GSM est Signal 111025 Hz Tone wav Al 18 00 dBmo Auto Scan v Generator Level Scan Type Fig 5 1 Test Panel Info Information Panel to record test information and set up Interface RF interface used for Test Test Signal Test Signal used Scan Type Scan method Auto Manuel or Spot Test Testing Start Test at each direction Max Of Choose the report and result display regard to ABM1 ABM2 or Signal Ouality Chart Chart Panel to display distribution contour maps of the test results Report Evaluate T Rating and Create a Test Report in Word and Excel format 9 Reset Reset all the test results and ready for a new test ie a i ie Ts Crescendo Tech Services 28 User Manual 5 1 Test Info Click Info tab to enter all the related information of the test as in Fig 5 2 CTS HAC Tester rev4 1 vi Ele Edt View Operate Window Help EIH Crescendo Tech Services save CTS Demo 20090622 TIM2. Transducer In Mechanics This is a Demo Test for Y 4 1 4S 1 L aa 20 0 Jona lappy Testing Enjoy Handset GSM 11025 Hz Tone wav OOOO SS CACTS HAC Tester HAC Test Results 18 00 Auto Scan v Fig 5 2 Test Conditions and Information Besides User can use Load to recall saved Info File Save to store the Info into the system Click Clear will reset all the Info fields Ts Crescendo Tech Services 29 5 2 5 3 fs Crescendo Tech Services User Manual Interface User can run the test with their proper Air Interface for the HAC Test If User chooses CMU200 as the RF interface the System will automatically set the Signal Generator output level to the correct test levels 1 e 16 dBm0 for GSM and 18 dBm0 for CDMA If User chooses Handset Low for GSM or SK EVRC for CDMA User can only use 1025Hz Tone to run the tests Other Wideband test signals will not be able to meet the signal output level requirement due to the capacity of the Sound Card If User choose Direct interface the Generator output level will be dBV User then can change the output level according to test needs Test Signals The system provides total of 7 test signals for HAC test They are 1025Hz Tone P50 Male P50 Female White Noise Pink Noise Custom Signal 1 and Custom Signal 2 The Wide Band Signals take longer time for one test Therefore it is recommended to use them for Spot Test User c
3. 2 6 for detail Sound Card Settings Fig 2 6 MAYA44 v3 Setting Icon Ts Crescendo Tech Services 10 User Manual e The window shown in Fig 2 7 will pop up Set the parameters as identical as shown in Fig 2 7 Select ANA for Analog Select Mic to enable 42dB Gain LU Clock amp Fs setting Fu Em EN m Ensure 0 0dB Gain TH HU NWN NT NT TINT LLU LLUD AAN Ti m En Fig 2 7 MAYA 44 v3 Configuration e Sound Card Control Setting Finished Ts Crescendo Tech Services 11 User Manual 2 2 3 System Setup ZI nding euy zeuy euy CMU200 Computer Audio Out Audio In Serial Port O Fig 2 8 System Hardware Setup Cabling e Anal to HAC Probe e Ana2 to Control Box Mon e Gen to CMU200 Audio In or to Phone Directly or to Control Box Audio In e Control Box Audio Out to Helmholtz Coil e Serial Port to Control Box Serial Port oe User Manual 2 3 SW Installation and Setup 2 3 1 Install HAC T Coil Test System Software Insert the HAC T Coil Test System Software disc into CD Driver Run the setup exe to install the HAC T Coil Test System Software User may use the default setup to install the software 2 3 2 Running CTS HAC T Coil Tester On Desktop double click CTS HAC T Coil Tester shortcut to run the system The running UI is shown as Fig 2 9 CTS HAC Tester rev4 1 vi File Edit View Operate Window
4. Methods There are two ways of testing HAC T Rating for a wireless device Callbox Test Mode or Loop Test Mode In Callbox Test Mode Audio Signal passes through Call Box encoder and WD decoder This can be illustrated as Fig 6 1 This is a straight forward method and it emulates the real network performance 16dBm0 18dBm0 RF De Mod D A e s m e m m s m s s s s s s m s m m s e s m s m s s m s e e s s m m s Equivalent Signal Level gt m A Tx Gain V Internal Loop D a i Rx Gain ABM1 Fig 6 2 Signal Path in Loop Test Mode In Loop Test Mode Audio Signal passes an internal audio loop in WD for the test This can be illustrated as Fig 6 2 This can avoid any potential problem with sine tone with Vocoder Ts Crescendo Tech Services goi User Manual 7 Error and Trouble Shooting Frequently Asked Questions Manual Control of the Scanner does not Work Check the Motor Cables Connectors are properly installed Check the power core and Power Switch is ON Power Lit should be light up Press the Direction Buttons Scanner should move accordingly If not contact CTS for further trouble shooting Software Controlled Scanner Movement does not Work e Check the RS 232 Cable connection e If control still not working Power Cycle the Control Unit and the PC Normally it will clean up the communication line What to do if the Scanner hit the end of its travel and motor has skipped
5. Probe and DUT position are all correct click OK in the reminder window SW will automatically scan the area to find out the Sweet Spot and move to the Sweet Spot to conduct ABM1 ABM2 and Signal Quality The results will be displayed on screen After finishing the test Probe will move back to the Origin position GAS User Manual 5 7 Chart After Auto Scan tests of all directions User may view the contour maps of ABM1 ABM2 and Signal Quality SNR in Chart Panel Click the panel tap shown as in Fig 5 6 L He teem dn vay Fig 5 6 Contour Maps of ABM1 If User chooses Max of ABM2 it will show the distribution of ABM2 shown as Fig 5 7 This can be used for the noise pattern analysis E He Tres se Fig 5 7 Contour Maps for ABM2 Ts Crescendo Tech Services 34 User Manual User can choose Max of SNR to show the distribution of Signal Quality as Fig 5 8 When C15 HAC lester rovd 1 i Fie View Operate Window lt c s CTS HAC T Coil Tester V4 1 Test Chart info System Calibration nm S EP 2 nd Fig 5 8 Contour Maps for Signal Quality 5 8 Report When all the tests are done User can generate test report by click Report The System evaluates the HAC T Rating according to ANSI C63 19 and then generates a Word document as specified in the Report Folder in Info Tab The default report file name is in the pattern of CTS HAC Y Y
6. Y YMMDD hh mm doc The system also creates an MS Excel file with same name with extension of xls to export all the numeric test data which can be used for later comparison For Auto Scan Test a sample report is shown in Fig 5 9 ETS HAC T Coil Test Report ETS HAC T Coil Test Repar v Rapa Ras ne Line ALA STER Dwyn Mans Tang RT Ti Aging B AMSI CE 15 97 3s jem AE ABAD Spar Spot ABLA dRe Pele 08 Pens Fill Anil 2 G Y E h mE 15T T Redal YL T aD ae e Y z a 4 Uc ai an a Pafticiads Tich apneic A ETA Gobis THA Sh ti lt CEE tada Tech eric User Manual For Manual Scan and Spot Test a sample report is shown in Fig 5 10 It does not have contour map since these tests are conducted at Sweet Spots only CTS HAC T Call Test Repon Fig 5 10 Test Report for Manual Scan or Spot Test Tip The report generated by the system is an html format document All the graphics in the report are hyper linked to external graphic file So the report is NOT real portable There are two options to make it portable e Convert it into a pdf file and save it e Create a new Word document which is not html format and copy paste the contents into the new file and save 1t 5 9 Reset The Reset Button will reset all the test data and have the system ready for a new test Warning User will lose all the test results if Report is not created Ts Crescendo Tech Services 36 User Manual Test
7. be conducted with Wideband Test Signals Add Max of selection to choose HAC Rating and Result Analysis options Enhanced Generator Level control to be smart according to Standard requirement Add Info Panel Save Load and Clear functions for easy information management Add Reset Button Rev 3 0 Released July 24 2007 Implemented Wide Band Test at Sweet Spots Z Height Adjust changed in hardware Rev 2 0 Released June 22 2007 Implemented according to ANSI C63 19 2007 Included Contour Map of ABM 1 for all three directions Enhanced Test Report Content Added Contour Maps Output Test Data of Frequency Response and Scanning Data Rev 1 2 Released on May 22 2007 Ts Crescendo Tech Services Section 2 2 3 correct Scanner Control to Config User Manual Rev 1 1 Released April 20 2007 e Typo Corrections Rev 1 0 Released March 12 2007 e Original Document fs Crescendo Tech Services User Manual 1 HAC Test System 1 X Y Scanner 2 Z Height Adjuster 3 Scan Controller 4 HAC Probe Holder 5 HAC Probe 6 Tester Base 7 DUT Holder 8 DUT Stand 9 Helmholtz Calibration Coil Fig 1 1 CTS HAC T Coil Tester Ts Crescendo Tech Services ee User Manual Fig 1 2 CTS HAC Probe CTS HAC T Rating Probe is shown as in Fig 1 2 The unit includes a calibration data sheet should always stay with the probe a
8. to move upward Press the Release Handle to lower the Probe Position c T Turn Probe Fine Adjust Fig 3 3 Probe Height Adjustment and Probe Orientation Control 3 3 Change Probe Direction Turn the Turn Probe 90 can change the Probe from Axial direction to Radial direction or back forth See Fig 3 3 Ts Crescendo Tech Services 25 User Manual 4 Test Setup 4 1 DUT Mounting Put the DUT Holder on top of the Stand Use the suction lock the Holder Release the Grabbing Arms Place the DUT on Holder and slide the Arms to hold DUT See Fig 4 1 Use the Space Level Gauge to level the DUT surface Place the Holder so the Scanner located at approximately in the mid position Position the Holder so that DUT align with X Y direction Fig 4 1 Position DUT on Holder 4 2 Adjust Probe Height Use the 2mm Spacer Level Gauge as shown in Fig 4 2 to ensure the HAC Probe is at 2mm above DUT surface This will ensure the Probe center is 10mm above DUT surface Fig 4 2 Spacer Level Gauge Ts Crescendo Tech Services 26 User Manual 4 3 Reset Origin Use Manual Remote Control to move the Probe centered at the center of Receiver Sound Port Then press the Set O to reset the Origin position 4 4 Select Scan Center If the scan center 1s not at the Origin user can move the probe to the target position of the center If using Manual Control to move the Probe press Stop button to read the lo
9. to the MIC Direct Input Jack of the Sound Card Connect the Speaker Output of the Sound Card to the driving point of DUT 2 1 6 Assemble DUT Holder Assemble the DUT Holder as shown in Fig 2 1 Fig 2 1 DUT Holder 2 2 Sound Card Installation The instruction illustrated here is exclusively for MAYA 44 v3 0 shown as Fig 2 2 If user uses other brand sound card please refer to the Instruction Manual of the card used for related information Fig 2 2 MAYA 44 v3 0 Sound Card 2 2 1 Install Sound Card in PC Follow the instruction of the Sound Card to install the Sound Card into one of the PCI interfaces in the PC Be sure to fasten the card steady Ts Crescendo Tech Services User Manual 2 2 2 Install Sound Card Driver Insert the Sound Card Installation disc into CD Driver Follow the instructions to properly install the Sound Card Driver Sound Card Setting After the installation please set up the Sound Control of the PC as following e Go to Control Panel select Sounds and Audio Devices e In Audio and Voice Tabs choose MAY A44V3Ch34 for Playback Choose MAY A44V3Ch1234 for Recording Shown as in Fig 2 3 Volume Sounds Audio Voice Hardware Volume Sounds Audio sounds and Audio Devi Sounds and Audio Devices F M Sound playback These settings control volume and advanced options for the voice o Default device playbac
10. turns e Normally when this happens the Controller will have mismatch of the location of the scanner User needs to reset the Origin to recapture the coordinates e Warning Although this device has been designed to minimize the damage of the motion elements when over travel happens it 1s highly recommended that user pay close attention not doing so often Whenever this happens user should immediately stop the motion by either push the Stop Button or switch off the Control Unit There is no sound coming out of the DUT e First check the cables from Sound Card to DUT e Check the DUT setting Making sure that the DUT audio path is set up properly e Check the PC Sound Out Level Control Make sure that speaker is not Muted and the Volume is at Maximum e If it still not working user may need to restart the Program PC to reinitialize the Sound Card PC There is no Signal from the Measurement e Measure the DC impedance of the Probe Make sure that the impedance is about 90002 If not the Probe is broken and need a replacement e Check the cable connection to Sound Card 1s correct e Check the PC Sound Input selection is corresponding to Cable connecting channel e If it still not working user may need to restart the Program PC to reinitialize the Sound Card PC Ts Crescendo Tech Services 38 User Manual The sensitivity of HAC probe changes too much e Sometimes when the doing the HAC Probe calibration with Helmho
11. 4 2 Analyzer Calibration Zp mdmo ruy CMU200 Computer Audio Out Audio In Serial Port O O Fig 2 13 Cal Anal There are two Analyzers need to be calibrated Anal and Ana2 Anal is with 42 dB gain of pre amplifier Ana2 is a direct input line First Calibrate Anal Connect Anal to Gen as shown in Fig 2 13 Select the field of Calibration and Select Analyzer Calibration A dialog window pops up to confirm the cable connection The Gen outputs a level of 60dBV 1 KHz tone for Amal calibration The system will automatically calibrate the Analyzer and save the Calibration Data into the system hy User Manual gt D o o E yo ken er _ NO Next Calibrate Ana2 zeuy euy CMU200 Computer Audio Out Audio In Serial Port O O HE Fig 2 14 Cal Ana2 e A dialog window pops up to adjust the cable connection e Disconnect Anal Warning This has to be disconnected before proceed Otherwise it is HIGH RISK to damage the Sound Card Input when high voltage is injected e Connect Ana2 to Gen as shown in Fig 2 14 e The Gen outputs a level of 20dBV 1 KHz tone for Amal calibration e The system will automatically calibrate the Analyzer and save the Calibration Data into the system 2 3 4 3 Calibrate Test Signals Use the same Cable setup as Fig 2 14 Select Cal Test Signals DO NOT use Anal Channel e Select Cal Test Signals e The system will pop up a reminde
12. C Probe is at Axial Test Direction Position the HAC Probe at the Scan Center position and make sure it is 2mm above DUT surface Click the Axial Z Test Start to start the test When the Probe and DUT position are all correct click OK in the reminder window SW will automatically scan the area to find out the Sweet Spot and move to the Sweet Spot to conduct ABM1 ABM2 Signal Quality and Frequency Response tests The results will be displayed on screen Note the Frequency Response is referenced to the level at 1 KHz After finishing the test Probe will move back to the Origin position 5 6 2 Radial Y Test Turn the HAC Probe to Radial Test Direction Make sure the HAC Probe is at the Origin and it is 2mm above DUT surface Click the Radial Y Test Start to start the test When the Probe and DUT position are all correct click OK in the reminder window SW will automatically scan the area to find out the Sweet Spot and move to the Sweet Spot to conduct ABM1 ABM2 and Signal Quality The results will be displayed on screen After finishing the test Probe will move back to the Origin position 5 6 3 Radial X Test Ts Crescendo Tech Services The HAC Probe stays at Radial Test Direction Turn DUT Holder 90 Anti Clockwise is required to make coordinate consistent Make sure the HAC Probe is at the Origin and it is 2mm above DUT surface Click the Radial X Test Start to start the test When the
13. Help 91 lt lt 7s CTS HAC T Coil Tester V4 1 Max of JABML Motion Control Test Chart Info System Calibration Y Sweet Spot mm dB A m dB ABM1 ABM2 Quality Q s Start ff um me RAEE adia es x Y ABM1 ABM2 Quality start nf Inf Inf Inf Inf E Radial X Test ABM1 ABM2 Quality Mode Set O x Inf Inf P Inf Inf nf Axial Z Test Y Stepper A Scan Center mm Frequency Response 2 yn AER Size X Y lo 0 0 2 TW Hl mm scan areaz H WO dias lll TWW smag 120 0 eno p mee Baill In Templates LL T Coil Rating Interface Category Failed Handset GSM Test Signal APEE 1025 Hz Tone way Generator Level Scan Type 7 18 00 demo AutoScan v Fig 2 9 Test System Running Window Ts Crescendo Tech Services el ye User Manual 2 3 3 RS 232 Control Port Setup Rev 4 1 can automatically detect the serial ports available to the PC If there is only one port is available program will automatic use this port as the control interface of the scanner If there more than one port at present 1t will pop up a selection window and list all the ports for user to choose Please choose the correct port and click OK See Fig 2 10 E Get Searial Port vi Front Panel File Edit View Project Operate Tools Window Help ASRL3 INSTR a Fig 2 10 Serial Port Selection for Scanner Control If there is NO Serial Port at present it will pop up a warning wi
14. User Manual CTS HAC Tester User Manual V4 1 a n an L A AAR ts SS Crescendo Tech Services San Diego CA Crescendo Tech Services User Manual Table of Content O ira nyn y A A eee A AEE eee RH eee ER eee ree 4 HAC Test o ISC ls 6 2 Taa Y o Y GR GO Yd o dd Y O AW En FLAS GU ON O ARNO notes 7 2 HAC TC Onl Tester Installation uan Gei Od o wd Gw Ml GN dedd wo E 21 Assemb Y Canero E 2 o Mount Z SUPPO cau Y a Cd OO YN GG FD OO FA GYN Fy Y 7 R e msa HAC eco TTT 7 2 1 4 Connect scan Controller ii y P E E TTT 8 2 1 6 ASS 01 0 THR 1 Haa Te dre RF Y FI HRN 8 22 sound Card Installation a do aaa 8 22 1 Install Sound Card IM PC i LI ibi 8 2 Install sound Card DINO uu a I xd Y Ub LI pote Sek A 9 223 SUSE tia 12 2 3 SW Installation and CLUD se iii ill daa A DN DOG Fan 13 2 3 1 Install HAC T Coil Test System Software sse eee 13 E Running CIS FACT CoL Vester ia A iia 13 2 3 3 IIA Ont Ol POR Se AA dca Remain aaa 14 2 3 4 System HLT Le so od 15 3 o EYANS A HYR FYW YND 23 3 1 Scammer COnir0 line ene un A ricas 23 3 1 1 NES A E YR RR RA T HF FI A N 23 3 1 2 PERME CONTO lao ue id 23 De AdB PODS SMe ihien Y ER A ne ED DT O 25 3 3 Chance Probe Direc HOLL daci n 25 4 TES Sy UN EFE a FR FF ice 20 4 1 DUMAS A iad 26 Az PIS EPO We HO A AE 26 4 3 FFOL O i NG AO o a a A A ec 2 4 4 Selecto canrC AAA ela GE OC o steele ind 27 4 5 Define Scanning Range and Step SIZE ooonncccineccccccccononononccnnno
15. an choose or modify Custom Signal 1 or Custom Signal 2 Custom Signals should be stored in the folder located at C CTS HAC Tester Config Test Signals with the same name as Custom Signal 1 wav or Custom Signal 2 wav 30 User Manual 5 4 Scan Type There are three methods to conduct HAC Test Auto Scan Manual Scan or Spot Test 5 4 1 Auto Scan The system will scan the area defined by Scan Size and Step Size It will record all the test data ABM2 ABM2 Signal Quality and Frequency Response in the area It also indicates the progress of the scanning test see Fig 5 3 When finishing the scanning it will find out the sweet spots for each test direction for Test Report amp HAC Scan for Max vi i Fig 5 3 Auto Scan Status 5 4 2 Manual Scan Manual Scan allows User to manually search for the Sweet Spot The System will pop up a Test Monitor Window to track the Peak level shown as Fig 5 4 User controls the Scanner with the Control Box When the Max Value is located Press Finish button The system will record the Sweet Spot and HAC test result amp Manual Se r Sweet Spot vi cs 5 4 WW poet lean Lape W perate Tools WINdow Help OUT L o JO 8 12 4 34 38 26 26 Fig 5 4 Manual Scan Monitor Ts Crescendo Tech Services 31 User Manual 5 4 3 Spot Test When user already knows the Sweet Spot locations User can run Spot Test to evaluate the HAC performance For ea
16. cation before running test 4 5 Define Scanning Range and Step Size User may define the Scanning Range within the Scanner Limit if it is not the default value 10mm x 10mm User may define the Scan Step if it is not the default value Imm The minimum step is 0 5mm CTS HAC Tester rev4 1 vi File Edit View Operate Window Help gt 2 m1 lt lt 7rs CTS HAC T Coil Tester V4 1 Mation Control Test Chart Info System Calibration Max of ABM1 Y Sweet Spot mm dB A m dB Axial Z Test 7 x ABM1 ABM2 Quality Q start ff pm m O 3 X C D Inf a mf Inf Radial Y Test Terr uality y Start fl E y 7 Inf Y 4 Mode Set O Radial X Test ABM1 ABM2 Quality o Inf Inf nf Stepper Scan Center mm Step Size X Y E lo foo gllo mm goo S _ ll TWW Scan Area2 LJ Wi T Coll HAC PH T Coil Rating En Interface Category Faled Handset GSM v S L Test Signal s S OO 9 1025 Hz Tone wav Rese stop A 20 i Generator Level Scan Type 100 Jl 18 00 dBmo Auto Scan v Fig 4 3 CTS HAC T Coil Tester Control Panel Ts Crescendo Tech Services 2 User Manual 5 Conduct HAC Test When conducting HAC Test it is recommended to following the following sequence unless user understands the test mechanism and the data report of the SW See Fig 5 1 CTS HAC Tester rev4 1 vi SEs File Edit View Operate Window Help ETDD 70 US HAC T Coil Tester V4 TR Motion Control Test Ch rt
17. ch direction User needs to fill in the dimension of the Sweet Spot before the running the test see Fig 5 5 P CTS HAC Tester rev4 1 vi File Edit View Operate Window Help nip gt amp u lt lt 7s CTS HAC T Coil Tester V4 1 Max of ami Test Chart Info System Calibration Sweet Spot mm dB A m JE x Y ABM1 ABM2 Quality pe TIS Ox i A Inf l Inf nf inf Inf a Radial Y Test iy X Y ABM1 ABM2 Quality start lp nf anf inf inf E 9 Radial X Test Y ABM1 ABM2 Quality Mode Set O x Motion Control vf Axial Z Test Y Stepper Scan Center mm Frequency Response 2 pa Size 0 0 jm Pe SS tn I scan areaz HRL wO a Ml TWW sma 120 0 gno Lad iba BE In Templates T Coil Rating Interface Category Faled Handset GSM Test Signal ry PRE MU tU 111025 Hz Tone wav Generator Level Scan Type 4 18 00 demo AutoScan w Fig 5 5 Spot Test amp Selection of Max Value Search 5 5 Max Of When running the HAC test User can define the report data whether is based on Max of ABM1 ABM2 or Signal Quality See Fig 5 5 This provides the flexibility for test and analysis of the magnetic field for engineering The selection can also be toggled after the auto scan finished Ts Crescendo Tech Services E User Manual 5 6 HAC Test 5 6 1 Axial Z Test It is always recommended to conduct the Axial Z Test first because of the Sweet Spot position report method Make sure the HA
18. er of the Scan Controller Press any button corresponding to the direction the Scanner will move accordingly Release the button Scanner will stop See Fig 3 1 Fig 3 1 Scanner Control Box with Manual Controls Note The Manual Control motion will not automatically give the position of the probe When motion is stopped user may press the STOP button in SW Panel to get the exact location of the Probe from the readings of Scan Center See details in 3 1 2 Warning When manually controlling the Scanner please always watch for the motion limit of the Slides Although there is design protection to minimize the damage of the Scanner User should always avoid to running the slides to its limits This will ensure a longer life time and maintain the accuracy of the system 3 1 2 PC Remote Control PC Remote Control can be used to control the motion of the Scanner All the controls are shown in the Fig 3 2 Motion Control Controls the motion direction and stops the motion When STOP 1s pressed Scanner will stop any motion and Probe position will be displayed in the field Scan Center Mode User can set the motion in two modes Continuous or Stepper Ts Crescendo Tech Services 23 User Manual Continuous When an Arrow button is pressed the Scanner will move continuously until STOP button is pressed When stopped Probe position will be automatically displayed in the field of Scan Ce
19. k or recording device you selected Y 2 MAY 444 3 Chag Voice playback Volume Advanced O Default device a A 1 MAYA44 V3 Ch12 Sound recording A Default device Volume Advanced 4 3 MAYA44 143 Ch1234 v i Voice recording Volume Advanced A Default device 4 3 MAYA44 V3Ch1234 M MIDI music playback is Default device Volume 2 Microsoft GS Wavetable SW Synth y Volume About _Testhardware _ T Use only default devices Cancel Fig 2 3 Sound Card Channel Selection e Click Volume icons for Sound Playback and Sound Recording Set the volume to Max Set mute feature identical as if Fig 2 4 Si Master Volume Options Help Options Help Master Wave SW synth CD Player Microphone Balance Balance Balance Balance Balance Pp 0 9 g 4 g Wnlurme y Volume Mute all Dl e Mute e Mute 2 MAYA44 V3 Ch34 User Manual e Click the Advanced button in Sound Playback field Select Stereo Headphones in Speaker Setup shown as in Fig 2 5 This will give a better impedance match if user drive component directly Output Load 32 Ohms Advanced Audio Properties Speakers Performance Selectthe speaker setup thatis most like the setup you have on sour computer speaker setup Stered Headphones Cancel Fig 2 5 Speaker Setup e Double Click the icon indicated in Fig
20. ltz Coil The sensitivity changes significantly more than 2 dB Please check the probe alignment first before accept the new calibration data Normally the sensitivity is around 60 5 dBV A m Ts Crescendo Tech Services ae User Manual 8 Contact amp Technical Support CTS is committed to provide professional solutions to our customers We look forward to a long term partnership with our customers If you have any issue regarding CTS products please do not hesitate to contact us We will be at your service to meet your satisfaction at any time Crescendo Tech Services 12313 Katydid Circle San Diego CA 92129 U S A Tel Fax 1 858 780 9881 Email solution crescendotek com http www crescendotek com 9 Acronym ABM Audio Band Magnetic ABM1 Desired Audio Band Magnetic Field ABM2 Undesired Audio Band Magnetic Field ANSI American National Standard Institute CTS Crescendo Tech Services dB A m dB reference to 1 A m dBV dB reference to 1 V dBm0 The power in dBm measured at a zero transmission level point DMM Digital Multi Meter DUT Device Under Test HAC Hearing Aid Compatibility IEEE Institute of Electrical and Electronics Engineers PC Personal Computer S N Signal Noise Ratio SW Software 10 References ANSI C63 19 2007 Methods of Measurement of Compatibility between Wireless Communications Devices and Hearing Aids IEEE 3 Park A
21. nd its box If the probe is broken a new probe needs to be installed for measurement If the calibration data is in doubt a new calibration is needed Special care is needed when using the probe Please do not twist the Probe cable It may damage the cable connection When installing the Probe be careful of the surroundings It needs some clearance for the Probe movement When the Probe 1s not in use please store it back to its protective box 2 Installation 2 1 HAC T Coil Tester Installation 2 1 1 Assemble X Y Scanner Assemble the two Linear Stages into an X Y position with the flange supplied Properly tighten the screws 2 1 2 Mount Z Support Install the Z support on top of Y Axis Let the HAC Probe pointed to X direction Assemble the HAC Probe Holder 2 1 3 Install HAC Probe Loose the HAC Probe Holder screw Slide the HAC Cable through the gap Insert the HAC Probe extension tube into the Holder Align the marker with the gap Tighten the screw The Probe should be at Z direction and can be twisted to 90 freely 2 1 4 Connect Scan Controller Connect the Motor Cable Connectors to X Y Jack Connect the Controller to PC Serial Port with RS 232 None Modem cable Note the PC Port Number to be used for PC Ts Crescendo Tech Services e User Manual Setup Connect the power core to 100 240VAC Turn on the Power and test the Manual Control Buttons of the Scanner Motion 2 1 5 Connect Cables Connect the HAC Probe Cable
22. ndow to alert User And the Program will be stopped Please connect to serial port cable properly and restart the program Ts Crescendo Tech Services 14 User Manual 2 3 4 System Calibration A System Calibration vi File Edit View Project Operate Tools Window Help LA Cal Generator Cal Analyzer Cal Test Signals Cal HAC Probe Cal Encoder Monitor Tool Handset GSM x Stop f 1025 Hz Tone way Fig 2 11 Sound Card Calibration Setup Click System Calibration from the main window Then click Calibrate User can then select which part of the system needs to do the calibration as shown in Fig 2 11 Ts Crescendo Tech Services 15 User Manual 2 3 4 1 Signal Generator Calibration gt gt o ge er N euy Sound Card Connecto CMU200 Computer Audio Out Audio In Serial Port O O Fig 2 12 Calibrate Generator Connect Gen to a DMM Digital Multi Meter as shown in Fig 2 12 Select Generator Calibration System generates a 1 KHz sine tone from Sound Card target at 20dBV 100mV Read the signal level in dBV and enter the value in the pop up window and then hit OK Until you see 20 0dBV from the reference Analyzer DMM the SW will automatically update the Calibration Data and reconfirm the Sound Card Output Level When the Output level is 20 0dBV SW will save the Calibration Data and turn off the signal output 16 User Manual 2 3
23. nnncnnncnnnnnocccconnnnnnnnnanaanonos 2 5 Conduct Ha Testa art rW EN HR RC REN SF 28 5 1 ER i T Osta TN 29 5 2 ina 102 E AT 30 5 3 ER I RAE Y FYR eat AN PI EA NE AR EA ed A A RF A OY AN 30 5 4 A 31 5 4 1 o EN OA 31 5 4 2 VAT de RR Y RE FEN 31 5 4 3 DOLLS 32 5 5 UE lr MOTO FT ERE es HR NW THI NN YN 32 5 6 TENOR a 33 5 6 1 PATA R OOO E RY HR A Y WN 33 fs Crescendo Tech Services E O 0 CN User Manual 5 6 2 AAA O AY DG CO du 33 5 6 3 Rata Testa 33 5 7 O 34 5 8 A elute adel potas ta al teak ata dU 35 5 9 e EF RR PC AR NF A FA CF eee EEE E 36 TRC STING Re eo PEO ee a ee 37 Error and Trouble Shooting iii dd diet 38 Contacts KT Re Te EA Go A 40 ACTO MA O iio es 40 RTN SY FYR HU eRe Re eo ane cr ne eee ace ene FIYR FFA Y eer 40 fs Crescendo Tech Services User Manual Change History Latest Update at Top Rev 4 1 Released June 22 2009 Changed Scan Area from Square to Rectangular with user defined sizes in three directions Program will be installed and running at CACTS HAC Tester folder Serial Port Auto Detection Report Template in MS Word Rev 4 0 Released March 28 2009 Add Helmholtz Calibration Coil function to do the HAC probe calibration Add CMU Vocoder Calibration procedure Add Monitor Tool for quick audio test Add Interface for user to choose the CMU Vocoder and ensure the Test Injection Level meet standard requirement Add Manual Scan and Spot Test Auto Scan test can
24. nter Stepper When an Arrow button is pressed the Scanner will only move the distance specified in the Step Size then stop When stopped Probe position will be automatically displayed in the field of Scan Center Set O Whenever the power of the Scan Control box is turned on the current Probe position 1s defined as Origin of the system User may redefine the current location as a new Origin by press Set O button Scan Center Defines the Scanning Center location It also indicates the current location when adjust Scanner position Step Size Defines the motion distance of each move and the step sizes when conducting scan test The minimum step is 0 5mm while default is Imm Scan Area Defines the Scanning Area with Rectangular shape User needs to define it for all three scanning directions Default is Z 20x20 Y 10x30 X 30x10 Wie flotion Control Y ser Mode Scan Center mm Step Size X fio mam lo o joo mm Lo WDD 2 Lix 20 0 2 0 Stepper Fig 3 2 PC Remote Motion Controls Ts Crescendo Tech Services a User Manual 3 2 Adjust Probe Height The HAC Probe height can be adjusted with a manual slide rail shown as in Fig 3 3 The Position Lock can fix the Probe at a proper height Then use the Fine Adjust to adjust the exact height of the Probe e Unlock the screw for the position lock e Press the Handle
25. r for cable connection Then click OK e The system will automatically calibrate all 7 test signals and store all the data to the system for test usage The calibration may take a few minutes to finish Ts Crescendo Tech Services Ren User Manual Note Custom Signals have to be named as either Custom Signal 1 wav or Custom Signal 2 wav Other names will not be recognized by the test system The test signal files have to reside at this folder CACTS HAC Tester Config Test Signals 2 3 4 4 Calibrate HAC Probe zy nding euy zeuy muy CMU200 Computer Audio Out Audio In Serial Port O O Fig 2 15 Calibrate HAC Probe Setup Connect all the cables for Cal HAC Probe as shown in Fig 2 15 Bm Make sure the HAC Probe is aligned at the ke center of the Helmholtz Calibration Coil as shown in Fig 2 16 Fig 2 16 HAC Probe Alignment for Calibration In the SW window select Cal HAC Probe Ts Crescendo Tech Services _19 User Manual A pop up message will remind user of the calibration setup The system will first to build up the calibration magnetic field at OdB A m by monitoring with Ana2 When magnetic field is settled system will remind user to position the HAC probe at the calibration position of Helmholtz Coil Center Make sure that the Probe is in the same direction of Helmholtz Coil s axial Click Continue the System will measure the HAC Probe output level and s
26. tore the probe sensitivity to the system 2 3 4 5 Calibrate Call Box Encoder Sensitivity TI mMdmMO guy CMU200 Computer Audio Out Audio In Serial Port Fig 2 17 Calibrate Call Box Encoder Sensitivity Connect the Cables as shown in Fig 2 17 Use Ana2 only DO NOT use Anal Make a call to Wireless Device from Call Box Select Vocoder on CMU200 to Cal Decoder Select Cal Encoder from the System The system will first measure the Output level from Decoder for Decoder Calibration and save the data Ts Crescendo Tech Services Ruk User Manual e The System will remind User to change Vocoder to Cal Encoder Then click Continue e The System will then generate 20dBV signal to do the calibration and save the data to the system 2 3 4 6 Monitor Tool cd mdmg euy CMU200 Computer Audio Out Audio In Serial Port O Fig 2 18 Monitor Tool a ee User Manual System Calibration vi The Monitor Tool is designed for easy use of conducting any audio test It provides a Sine Tone generator and a Real Time Voltage Monitor with Ana2 User can use it for a quick verification in any audio tests 2 3 4 7 Finish Calibration When Calibration is finished select Stop The Calibration window will disappear and return to the Main Test Window Ts Crescendo Tech Services 22 User Manual 3 Operation 3 1 Scanner Control 3 1 1 Manual Control Turn on the pow
27. venue New York NY 10016 5997 USA 8 June 2007 AduioTrak Inc User s Manual for MAYA 44 V3 Version 1 0 20050705 Ts Crescendo Tech Services 40
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