Audioscan Verifit User Manual Page 28
- Page / 155
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- Audioscan Verifit 1
- User's Guide 3.12 1
- Table of Contents 2
- 1 About Verifit 6
- SAFETY WARNINGS and NOTICES 7
- Environmental safety 8
- May 2015 10
- Electronic User’s Guide 12
- 2 Getting Started 14
- Microphone connection 15
- General care instructions 16
- Microphone care 16
- Battery pill use and care 17
- Monitor headphones 18
- External peripherals 18
- 3 General Operation 20
- Keypad keys 21
- Menus, lists and buttons 22
- Screen messages and Help 22
- Software updating 23
- 4 General Setup 24
- 5 Networking 26
- NOAH Service Port 27
- Testing the NOAH service port 28
- 6 Single computer connection 29
- Local printer setup 33
- Printing to USB memory 33
- Network printer setup 34
- Printing to a network file 34
- Storing and restoring data 36
- Data storage using NOAH 37
- 8 Test Box Measures - Setup 38
- Format 39
- 1996 or 2003 ANSI standard 39
- ANSI test frequencies 40
- Test box calibration facts 40
- 9 ANSI Hearing Aid Tests 45
- ANSI test results 47
- ANSI input-output curves 47
- ANSI telecoil terminology 48
- ANSI test loop test 50
- Telecoil test results 50
- 10 Other Test Box Measures 52
- Feedback suppression test 53
- Directional function test 54
- Directional ITE positioning 55
- Directional BTE positioning 55
- Multicurve procedure 57
- Multicurve results 57
- Battery drain test 58
- Manual control procedure 59
- 11 Sensory loss simulator 62
- 12 On-Ear Measures - Setup 63
- Max TM SPL setup 66
- ABR nHL to eHL setup 67
- Positioning the client 67
- Positioning the probe tube 68
- On-ear single or dual view 70
- SPL or HL scale 71
- Hide or show on-ear curves 71
- On-ear directional testing 73
- On-ear feedback test 74
- On-ear noise reduction test 74
- On-ear manual control 75
- 15 Occlusion Effect Test 78
- 16 RECD measurement 79
- Measure RECD 80
- RECD results 81
- ANSI S3.46(2013) RECD 82
- RECD protocols 82
- RECD facts 84
- 17 Insertion Gain 85
- Insertion gain in HL 86
- Audiometric data entry 86
- REUR measurement procedure 87
- REAR measurement procedure 88
- 18 Speechmap 91
- DSL 5.0 changes 92
- NAL-NL1 in Speechmap 92
- NAL-NL2 in Speechmap 92
- Camfit in Speechmap 93
- Using Speechmap 93
- Speechmap Setup 94
- Screen tour - aided screen 96
- On-ear or Test box mode 96
- Assessment data entry 101
- Assessment data choices 102
- Open fittings in Speechmap 105
- FM fitting and verification 107
- CROS fitting in Speechmap 108
- Stimulus levels 112
- Speechmap stimuli 112
- Microphone location effects 113
- Deep insertion compensation 114
- Speech signal analysis 114
- 21 Viewport 115
- Accessing Viewport tests 116
- Viewport Audibility test 116
- 22 Troubleshooting 123
- Test box speaker overdriven 125
- Invalid on-ear calibration 126
- Barcode scanner malfunction 126
- 23 Technical 129
- Specifications 129
- Sensory Loss Simulator 130
- 24 Glossary 132
- 25 References 137
- 26 Appendix 1 140
- 27 Appendix 2 143
- 1 Introduction 144
- 2 The test signals 144
- 2.1 Narrow-band signals 145
- 2.2 Broad-band signals 145
- 2.2.3 Real-speech signals 147
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