audioscan Verifit VF-2 - Manual Control Procedure

Verifit
®
User's Guide Version 3.12  November 2015
3. Highlight and <PICK> [Battery type] and select from drop-down list.
4. Highlight and <PICK> [Hours per day] and select from drop-down list.
5. Highlight and <PICK> [Start test]
Manual control procedure
Manual control displays the reference microphone SPL, the coupler microphone SPL, their difference in dB
(gain) and coupler microphone signal distortion at any selected 1/12th octave frequency and at a selected input
level from 40 to 90 dB (in 5 dB steps) and at 0 dB (off).
1. Press <Tests>, then highlight and <PICK> [Test box measures], then highlight and <PICK> [Manual control]
2. Highlight and <PICK> the Level window, then highlight and <PICK> the desired stimulus level from the
drop-down list.
3. Highlight and <PICK> the Frequency window, then highlight and <PICK> the desired frequency from the
drop-down list. (Distortion measurement data is available only from 200-4000 Hz.)
4. Highlight and <PICK> [Start test] to start the test. [Start test] changes to [Stop Test]. To stop the
measurement, highlight and <PICK> [Stop test]. You may change Level and Frequency without stopping the
test.
61