Audioscan Verifit 2 Manuel d'utilisateur Page 16
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Verifit
®
User's Guide Version 4.2 © June 2015
Systems, Inc.
Acknowledgments:
DSL 5.0 is used under license from Western University which is solely responsible for its content. We
acknowledge the support received from past and present staff at the National Centre for Audiology at Western
University in implementing the DSL method.
CAMFIT is used under license from Prof. Brian C.J. Moore, University of Cambridge, UK. We are indebted to
the University of Memphis hearing instrument Research Laboratory for permission to use some of their recorded
speech material.
NAL-NL1 is used under license from the National Acoustics Laboratories, Australia.
NAL-NL2 is used under license from Hearworks Pty Ltd, Australia.
Software licenses:
Audioscan distributes selected software components under various open source licenses. These licenses
generally give you the right to copy and change the affected component's software source code. For details, see
the license files distributed with the software, or contact Audioscan.
16
- 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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