0611
Verifit User’s Guide Version 2.8
Page 67
13 REM Manual Control
13.1 Section overview
FastFacts 13.1: REM Manual Control
13.2 Manual control measurements
FastFacts 13.2: Manual control measurements
Manual control displays the reference microphone SPL, the probe microphone
SPL, their difference in dB (gain) and probe microphone signal distortion at any
selected 1/12
th
octave frequency and at a selected input level from 40 to 90 dB (in
5 dB steps) and at 0 dB (off). With the stimulus turned off, the probe module
becomes a dual channel sound level meter with a choice of 1/12
th
, A and C filters
in both channels.
This section covers the following topics:
13.2: Manual control measurements
13.3: Sound level meter using REM probe
1)
Refer to
10: Real-Ear Measurement Setup
to prepare the system for use and
for proper positioning of the client and the probe tube.
2)
Press <Tests>, then highlight and
<PICK> [Manual control].
3)
Highlight and <PICK> the Level
window, then highlight and <PICK> the
desired stimulus level from the drop-
down list.
4)
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 200-2500 Hz.)
5)
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.
