audioscan verifit - Page 4

Verifit
®
User's Guide Version 4.8 © November 2016
15 Test Box Measures - Setup................................................................................................................................................93
Test box screen...................................................................................................................................................................93
Format.................................................................................................................................................................................95
Scale....................................................................................................................................................................................95
Hide or Show test box curves.............................................................................................................................................95
ANSI test frequencies.........................................................................................................................................................96
Test box calibration facts...................................................................................................................................................97
Calibrating test box reference microphone........................................................................................................................97
Calibration check for coupler microphone........................................................................................................................98
Coupling for binaural/wideband tests................................................................................................................................99
Positioning HI for binaural/wideband tests........................................................................................................................99
Coupling for ANSI/IEC tests...........................................................................................................................................100
Positioning HI for ANSI/IEC tests...................................................................................................................................101
16 ANSI/IEC Hearing Aid Tests..........................................................................................................................................103
ANSI S3.22-2003 and ANSI S3.22-2009 facts................................................................................................................103
ANSI 2003 and 2009/IEC tests........................................................................................................................................103
ANSI test results...............................................................................................................................................................104
ANSI input-output curves................................................................................................................................................104
ANSI telecoil terminology...............................................................................................................................................105
ANSI telephone simulator (TMFS) test...........................................................................................................................105
ANSI test loop test............................................................................................................................................................106
Telecoil test results...........................................................................................................................................................107
17 Other Test Box Measures................................................................................................................................................108
Harmonic distortion..........................................................................................................................................................108
Noise reduction.................................................................................................................................................................108
Noise reduction stimuli....................................................................................................................................................109
Directional function test...................................................................................................................................................109
Directional ITE positioning..............................................................................................................................................110
Directional BTE positioning............................................................................................................................................110
Test box directional procedure.........................................................................................................................................111
Multicurve procedure.......................................................................................................................................................112
Multicurve results.............................................................................................................................................................112
Spectral analysis in Multicurve........................................................................................................................................113
Battery drain test..............................................................................................................................................................113
Manual control procedure................................................................................................................................................114
Sound level meter using manual control.........................................................................................................................115
18 Networking.......................................................................................................................................................................117
Networking standards.......................................................................................................................................................117
Network setup...................................................................................................................................................................117
Remote Operation.............................................................................................................................................................119
Changing the Remote Operation settings........................................................................................................................120
TeleAudiology..................................................................................................................................................................120
Changing the TeleAudiology settings..............................................................................................................................120
NOAH Service Port..........................................................................................................................................................121
Changing the NOAH service port....................................................................................................................................121
Testing the NOAH service port........................................................................................................................................122
Web Service Port..............................................................................................................................................................122
19 Single Computer Connection...........................................................................................................................................124
Automatic connection (recommended)............................................................................................................................124
Static connection..............................................................................................................................................................124
20 Printing and Storing Results............................................................................................................................................126
Storing data in NOAH......................................................................................................................................................126
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