D-0123003-B 05/2019
Sound Field Testing
The Sound Field speakers (Free Field) should be connected using optional or user supplied
amplifier and speakers. They should be calibrated annually as per ISO 8253-2, located at
least 1 meter from the patient ear and at the same height.
Device Maintenance
Annual re-calibration of the transducers used with the Avant Audiometer is
recommended. There are no user repairable components of this device. Refer to the
Installation Manual for care and cleaning instructions.
Performing Audiometric Testing
The screen shot below shows the controls which are available from the Audiometer main window.
The sections of the manual that follow explain how to use these tools to perform hearing
evaluations using your Audiometer.
1. Test selection tool bar
2. Ear selection
3. Output selector
4. Test Type Selector
5. Tone Type Selectors
6. Output Level Potentiometers
7. Masking interrupter and routing selector
9. Test Interrupter
10. Back
11. Help
12. Discard
13. Talk Over
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