audioscan Verifit VF-1 - Viewport Test Box Feedback Test

Verifit
®
User's Guide Version 3.12  November 2015
6. Press <Continue> to close [Noise reduction] and move to [Feedback].
Viewport Test box feedback test
1. On the Viewport screen, highlight and <PICK> [Feedback].
2. For Test box tests, connect the monitor headphones and position them, with the hearing aid, in the test box
as shown in Feedback Suppression Test. Set the volume control on the monitor headset for minimum gain
(rotate toward rear of test box) and close the test box.
3. Highlight and <PICK> Test 1. With the hearing instrument’s feedback suppression off, force the instrument
into feedback by rotating the monitor headset’s volume control toward the front of the test box until the
feedback bar shows red during parts of the speech passage. Then press <Continue>.
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