Audioscan Verifit User Manual Page 87
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Verifit
®
User's Guide Version 3.12
May 2015
barcode scanner and Input device operation.
To enter data from a barcode see Barcode data input and:
1. Press the barcode trigger and center the red line on the barcode from a distance of 6 – 8 in. (15 – 20 cm). The
scanner will beep and the Barcode entry poster opens.
2. Highlight and <PICK> [Done] to accept the data indicated on the poster.
To enter assessment data and parameters manually:
1. Highlight and <PICK> [Audiometry].
2. Highlight and <PICK> [Transducer], then highlight and <PICK> from the list.
3. Highlight and <PICK> [REUR], then highlight and <PICK> to toggle selection.
Measured REUR should be used with a soundfield threshold because individual REUR is part of the threshold.
Average REUR should be used with headphone or insert phone thresholds because individual REUR isn’t part of
these thresholds.
4. When all selections have been completed, press <Continue>.
5. Enter HL threshold values using a mouse or keypad. Left click the mouse on the audiogram form to enter a
point. Click again to delete the point. On the keypad use the arrow keys to change frequency and level and
press <PICK> to enter or delete a threshold point.
6. Press <Continue> when all points have been entered.
The HL for the highest frequency is used for aided targets at higher frequencies.
REUR measurement procedure
Performing a REUR test erases all existing REAR and REIG data associated with the current test ear. REUR
should be measured only if Transducer = Soundfield. Otherwise it is more accurate to use average. See
Audiometric data entry.
1. Press <Tests>, then highlight and <PICK> [On-ear measures], then highlight and <PICK> [Insertion gain].
2. Referring to On-Ear Measures - Setup and On-Ear Measures Screen Setup, prepare the system, position the
patient and insert the probe tube.
3. If REUR is set to Average, highlight and <PICK> [Audiometry] then highlight and <PICK> [REUR] to
toggle to [Measure]. Press <Continue> to advance to the Threshold entry poster. You may enter threshold
data at this time (see Audiometric data entry) or press <Continue> to proceed with the measurement.
87
- 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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