Audioscan Verifit 2 Manuel d'utilisateur télécharger pdf (Page 75)

Verifit

User's Guide Version 4.2 © June 2015

4. Click the Filter window, then select 1/12th octave, A-weighted, or C-weighted from the drop-down list.

5. For 1/12th octave filter, click the Frequency window, then select the desired frequency from the drop-down

list.

6. Click [Start test] to start the test. [Start test] changes to [Stop Test]. To stop the measurement, click [Stop

test]. You may change Level and Frequency without stopping the test.

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Audioscan Verifit 1
User's Guide 4.2 1
Table of Contents 2
1 About Verifit 6
47 – 63 Hz 1.35 – 0.53 A 7
Component Description 9
Audioscan update USB stick 9
Quickstart setup guide 9
Test Box 10
Accessories 12
SAFETY WARNINGS and NOTICES 13
Environmental safety 14
Electronic User’s Guide 18
2 Getting Started 20
Microphone connection 21
General care instructions 23
Microphone care 24
Mouse and keyboard 24
Monitor headphones 24
External peripherals 26
3 General Operation 28
Network connection 30
Menus, lists and buttons 32
Screen messages and Help 32
Software updating 32
4 General Setup 34
5 On-Ear Measures - Setup 36
On-ear calibration facts 37
Max TM SPL setup 40
ABR nHL to eHL setup 40
Positioning the client 40
Positioning the probe tube 41
42
On-ear single or dual view 43
SPL or HL scale 43
Hide or show on-ear curves 43
7 Speechmap 45
NAL-NL1 in Speechmap 46
NAL-NL2 in Speechmap 46
Camfit in Speechmap 47
Using Speechmap 47
Speechmap Setup 47
Screen tour - aided screen 50
On-ear or Test box mode 50
Speechmap screen choices 55
Data entry 57
Open fittings in Speechmap 60
CROS fitting in Speechmap 63
FM fitting and verification 66
Speechmap stimuli 68
Stimulus spectra 69
Microphone location effects 70
Deep insertion compensation 70
Speech signal analysis 71
On-ear directional testing 72
On-ear feedback test 73
On-ear noise reduction test 73
On-ear manual control 74
11 WRECD measurement 76
WRECD protocols 78
WRECD results 78
WRECD facts 80
12 Occlusion Effect Test 81
13 Sensory loss simulator 82
14 Insertion Gain 84
Insertion gain in HL 85
Audiometric data entry 86
REUR measurement procedure 87
REAR measurement procedure 88
15 Test Box Measures - Setup 91
Format 93
ANSI test frequencies 94
Test box calibration facts 95
Coupling for ANSI tests 98
16 ANSI Hearing Aid Tests 101
ANSI test results 102
ANSI input-output curves 102
ANSI telecoil terminology 103
ANSI test loop test 104
Telecoil test results 106
17 Other Test Box Measures 107
Directional function test 108
Directional ITE positioning 108
Directional BTE positioning 109
Multicurve procedure 111
Multicurve results 111
Battery drain test 112
Manual control procedure 113
18 Networking 116
Remote Operation 118
NOAH Service Port 119
Testing the NOAH service port 120
Web Service Port 120
Static connection 122
Storing data in NOAH 124
Printing results 124
Printing setup 124
Printer connection 125
Printer types 126
HP printer 126
Custom printer 126
File output 127
Page setup 127
Network printer 131
Web browser screen capture 131
Session setup 132
21 Troubleshooting 135
Test box speaker overdriven 137
Invalid on-ear calibration 138
Invalid binaural equalization 139
22 Technical Specifications 140
Sensory Loss Simulator 144
June 2015 145
23 Glossary 147
24 References 152
25 Appendix 1 155

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Audioscan Verifit 2 Manuel d'utilisateur Page 75

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