Audioscan Verifit 2 User Manual

Audioscan verifit, User's guide 4.2

Table of contents

Document Outline

1 About Verifit
- Product description
- Accessories
- Associated items and supplies
- SAFETY WARNINGS and NOTICES
- Environmental safety
- Declaration of Electromagnetic Compatibility (EMC)
- Warranty, Trademarks, Acknowledgments
- EC Declaration of Conformity
- Electronic User’s Guide
- How to Avoid Undesirable Side Effects
2 Getting Started
- Office setups
- Unpacking and connecting
- Microphone connection
- General care instructions
- Microphone care
- Mouse and keyboard
- Monitor headphones
- External peripherals
3 General Operation
- Switching ON/OFF
- Input device operation
- Network connection
- Printer connection
- Menus, lists and buttons
- Screen messages and Help
- Software updating
4 General Setup
- Date and time setup
- Display settings
- Saving test setup
5 On-Ear Measures - Setup
- External sound-field speaker setup
- On-ear calibration facts
- Calibration of on-ear probe microphone
- Calibration check for probe module
- Max TM SPL setup
- ABR nHL to eHL setup
- Positioning the client
- Positioning the probe tube
6 On-Ear Measures Screen Setup
- On-ear single or dual view
- Graph, table or 2cc target format
- SPL or HL scale
- Hide or show on-ear curves
7 Speechmap
- Speechmap facts
- DSL 5.0 in Speechmap
- NAL-NL1 in Speechmap
- NAL-NL2 in Speechmap
- Camfit in Speechmap
- Using Speechmap
- Speechmap Setup
- Screen tour - unaided screen
- Screen tour - aided screen
- On-ear or Test box mode
- SII calculation in Speechmap
- Using custom stimuli in Speechmap
- Creating WAV files for Speechmap
8 Speechmap Fitting Procedures
- Speechmap screen choices
- Data entry
- Fitting to targets for soft speech
- Fitting to targets for average speech
- Adjusting the Maximum Output Level
- Open fittings in Speechmap
- Verifying Frequency Compression/ Frequency-Lowering Hearing Instruments in Speechmap
- Binaural fitting in Speechmap
- CROS fitting in Speechmap
- T-Loop fitting and verification in Speechmap
- Tele-test fitting and verification in Speechmap
- FM fitting and verification
- How to Verify with Calibrated 'S' and 'SH' Stimuli
9 Speechmap Technical Details
- Wideband measurements in Speechmap
- Speechmap stimuli
- Stimulus spectra
- Microphone location effects
- Deep insertion compensation
- Speech signal analysis
10 On-Ear Instrument Measures
- On-ear directional test overview
- On-ear directional testing
- On-ear feedback test
- On-ear noise reduction test
- On-ear manual control
- Sound level meter using on-ear microphones
11 WRECD measurement
- Calibration of WRECD Transducer
- Measure WRECD
- WRECD results
- WRECD protocols
- WRECD facts
12 Occlusion Effect Test
- Occlusion effect measurement
13 Sensory loss simulator
- Sensory loss simulator description
- Sensory loss simulator operation
14 Insertion Gain
- Insertion gain in SPL
- Insertion gain in HL
- Audiometric data entry
- REUR measurement procedure
- REAR measurement procedure
- SII calculation in Insertion gain
- CROS fitting using Insertion gain
15 Test Box Measures - Setup
- Test box screen
- Format
- Scale
- Hide or Show test box curves
- ANSI test frequencies
- Test box calibration facts
- Calibrating test box reference microphone
- Calibration check for coupler microphone
- Coupling for binaural/wideband tests
- Positioning HI for binaural/wideband tests
- Coupling for ANSI tests
- Positioning HI for ANSI tests
16 ANSI Hearing Aid Tests
- ANSI S3.22-2003 facts
- ANSI 2003 Linear and AGC tests
- ANSI test results
- ANSI input-output curves
- ANSI telecoil terminology
- ANSI telephone simulator (TMFS) test
- ANSI test loop test
- Telecoil test results
17 Other Test Box Measures
- Harmonic distortion
- Noise reduction
- Directional function test
- Directional ITE positioning
- Directional BTE positioning
- Test box directional procedure
- Multicurve procedure
- Multicurve results
- Spectral analysis in Multicurve
- Battery drain test
- Manual control procedure
- Sound level meter using manual control
18 Networking
- Networking standards
- Network setup
- Remote Operation
- Changing the Remote Operation settings
- NOAH Service Port
- Changing the NOAH service port
- Testing the NOAH service port
- Web Service Port
19 Single Computer Connection
- Automatic connection (recommended)
- Static connection
20 Printing and Storing Results
- Storing data in NOAH
- Printing results
- Printing setup
- Printer connection
- Printer types
- HP printer
- Custom printer
- File output
- Page setup
- Windows-shared printers and folders
- Network printer
- Web browser screen capture
- Session setup
- Storing and restoring session files
21 Troubleshooting
- Self test failures
- Initialize Function
- Inconsistent levels in speech stimulus
- Test box high distortion or noise
- Test box curves inconsistent
- Test box curves differ from specifications
- Test box speaker overdriven
- No test box reference mic. detected
- Invalid test box calibration
- Unable to calibrate test box microphone
- No on-ear ref. mic. detected
- Invalid on-ear calibration
- Unable to calibrate on-ear microphone
- Sound-field speaker overdriven
- Invalid binaural equalization
22 Technical Specifications
23 Glossary
24 References
25 Appendix 1
- Manufacturer Disclosure Statement for Medical Device Security