Audioscan Verifit User Manual Page 20
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Verifit
®
User's Guide Version 3.12
May 2015
3 General Operation
This section describes the use of the built-in keypad, a QWERTY keyboard (not included) or a computer mouse
to control the Verifit and enter data. It also describes the use of an (optional) barcode scanner to enter data from
printouts produced by Audioscan analyzers and provides instructions for updating the Verifit operating software.
Input device operation
The Verifit may be operated by means of the built-in keypad, an external mouse or an external QWERTY
keyboard. These devices are used to summon on-screen menus and select items from them, to operate on-screen
buttons and to input data. The scroll wheel on this type of mouse will scroll through long lists in list boxes and
in Help. Clicking the right mouse button generates an image of the keypad which may be operated by the
mouse. Clicking the left mouse button when the mouse pointer is on a graph will display a screen cursor with a
digital readout of X and Y co-ordinates. Clicking again will dismiss the cursor. Note that mouse speed can be
changed by selecting Setup and Display.
Function Keypad QWERTY Mouse
Summon Help menu <Help> F1 Right click
Summon Setup menu <Setup> F2 Right click
Summon Test menu <Tests> F3 Right click
Summon Session menu <Session> F4 Right click
Switch between Ears or
A/B Data or Help index and Help page
<Left/Right> F5 Left click or Right click
for keypad image
Print <Print> Print Scrn Right click
Move across screen columns
Arrows Arrows
Move mouse
Move within a screen column Arrows Arrows Move mouse
Select a highlighted item or operate a
screen button
Round key (<PICK>
key)
Numeric
Enter Key
Left click
Enter numeric data Select point on chart Numeric
keypad
Left click on a point on
chart
Enter text Not possible Any key Not possible
Proceed from current state <Continue>
Enter ↵
Click Continue
Revert to previous state <Cancel> Esc Click Cancel
Barcode data input
In Speechmap, Viewport and Insertion gain tests, audiometric data in barcode form on an Audioscan analyzer
printout may be entered by scanning the appropriate barcode. In Speechmap, air and bone threshold, UCL,
RECD, audiometric transducer, age, and ABR nHL to eHL conversion factors are encoded. In Insertion gain,
threshold and audiometric transducer type are encoded. The type of data and the ear (left, right or left/right) is
shown below the barcode. Only data for the displayed ear are imported (data for both ears in dual view).
Barcodes may be scanned in any order and it does not matter if the barcode is 'upside down'.
1. Select Speechmap, Viewport or Insertion gain from the Tests menu.
20
- 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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