audioscan Verifit VF-2 Test System Manuals

Manuals and User Guides for audioscan Verifit VF-2 Test System. We have 1 audioscan Verifit VF-2 Test System manual available for free PDF download: User Manual

audioscan Verifit VF-2 User Manual

audioscan Verifit VF-2 User Manual (158 pages)

Brand: audioscan | Category: Measuring Instruments | Size: 8 MB

Table of Contents

Table of Contents
2
1 About Verifit

6
2 Getting Started

14
- Unpacking and Connecting
  14
- Microphone Connection
  15
- General Care Instructions
  16
- Microphone Care
  16
- Battery Pill Use and Care
  17
- Mouse, Keyboard, Barcode Scanner
  18
- Monitor Headphones
  18
- External Peripherals
  19
3 General Operation

21
- Input Device Operation
  21
- Barcode Data Input
  21
- Keypad Keys
  22
- Menus, Lists and Buttons
  23
- Screen Messages and Help
  23
- Software Updating
  24
4 General Setup

25
- Date and Time Setup
  25
- Display Settings
  25
- Saving Test Setup
  25
5 Networking

27
- Networking Requirements
  27
- Networking Setup
  27
- NOAH Service Port
  28
- Changing the NOAH Service Port
  28
- Testing the NOAH Service Port
  29
6 Single Computer Connection

30
- Automatic Connection (Recommended)
  30
- Static Connection
  30
7 Printing and Storing Results

32
8 Test Box Measures - Setup

39
9 ANSI Hearing Aid Tests

47
- ANSI S3.22-1996 Facts
  47
- ANSI S3.22-2003 Facts
  47
- ANSI 1996 Linear and AGC Tests
  48
- ANSI 2003 Linear and AGC Tests
  48
- ANSI Test Results
  49
- ANSI Input-Output Curves
  49
- ANSI Telecoil Terminology
  50
- ANSI Telephone Simulator (TMFS) Test
  51
- ANSI Test Loop Test
  52
- Telecoil Test Results
  52
10 Other Test Box Measures

54
- Harmonic Distortion
  54
- Noise Reduction
  54
- Feedback Suppression Test
  55
- Directional Function Test
  56
- Directional ITE Positioning
  57
- Directional BTE Positioning
  57
- Test Box Directional Procedure
  58
- Multicurve Procedure
  59
- Multicurve Results
  59
- Spectral Analysis in Multicurve
  60
- Battery Drain Test
  60
- Manual Control Procedure
  61
- Sound Level Meter Using Manual Control
  62
11 Sensory Loss Simulator

64
- Sensory Loss Simulator Description
  64
- Sensory Loss Simulator Operation
  64
12 On-Ear Measures - Setup

65
- External Sound-Field Speaker Setup
  65
- On-Ear Calibration Facts
  65
- Calibration of On-Ear Probe Microphone
  66
- Calibration Check for Probe Module
  67
- Max TM SPL Setup
  68
- ABR Nhl to Ehl Setup
  69
- Positioning the Client
  69
- Positioning the Probe Tube
  70
13 On-Ear Measures Screen Setup

72
- On-Ear Single or Dual View
  72
- Graph, Table or 2Cc Target Format
  73
- SPL or HL Scale
  73
- Hide or Show On-Ear Curves
  73
14 On-Ear Instrument Measures

75
15 Occlusion Effect Test

80
- Occlusion Effect Measurement
  80
16 RECD Measurement

81
- Calibration of RECD Transducer
  81
- Measure RECD
  82
- RECD Results
  83
- Ansi S3.46(2013) Recd
  84
- RECD Protocols
  84
- RECD Facts
  86
17 Insertion Gain

87
- Insertion Gain in SPL
  87
- Insertion Gain in HL
  88
- Audiometric Data Entry
  88
- REUR Measurement Procedure
  89
- REAR Measurement Procedure
  90
- SII Calculation in Insertion Gain
  91
- CROS Fitting Using Insertion Gain
  91
18 Speechmap

93
- Speechmap Facts
  93
- DSL 5.0 in Speechmap
  93
- DSL 5.0 Changes
  94
- NAL-NL1 in Speechmap
  94
- NAL-NL2 in Speechmap
  94
- Camfit in Speechmap
  95
- Using Speechmap
  95
- Speechmap Setup
  96
- Screen Tour - Unaided Screen
  97
- Screen Tour - Aided Screen
  98
- On-Ear or Test Box Mode
  98
- SII Calculation in Speechmap
  99
- Using Custom Stimuli in Speechmap
  99
- Creating WAV Files for Speechmap
  101
19 Speechmap Fitting Procedures

103
20 Speechmap Technical Details

114
- Speechmap Stimuli
  114
- Stimulus Levels
  114
- Microphone Location Effects
  115
- Deep Insertion Compensation
  116
- Speech Signal Analysis
  116
21 Viewport

117
- Viewport Setup
  117
- Accessing Viewport Tests
  118
- Viewport Audibility Test
  118
- Viewport Test Box Directional Test
  119
- Viewport Test Box Feedback Test
  122
- Viewport On-Ear Feedback Test
  123
22 Troubleshooting

125
- Self Test Failures
  125
- Initialize Function
  125
- Test Box High Distortion or Noise
  126
- Test Box Curves Inconsistent
  126
- Test Box Curves Differ from Specifications
  126
- Test Box Speaker Overdriven
  127
- No Test Box Reference MIC. Detected
  127
- Invalid Test Box Calibration
  127
- No On-Ear Ref. MIC. Detected
  127
- Invalid On-Ear Calibration
  128
- Sound-Field Speaker Overdriven
  128
- Invalid RECD Transducer Coupler Calibration
  128
- Invalid RECD Real Ear Measurement
  129
- Barcode Scanner Malfunction
  129
23 Technical Specifications

132
24 Glossary

135
25 References

140
- Manufacturer Disclosure Statement for Medical Device Security
  143
26 Appendix 1

143
- Audionote 2.1 VERIFIT and RM500SL Test Signals and Analysis
  146
27 Appendix 2

146

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