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0611 RM500SL User’s Guide Version 2.8 Page 57
12.2 Manual control measurements
FastFacts 12.2: Manual control measurements
12.3 Sound level meter using REM probe
FastFacts 12.3: Sound level meter using REM probe
The manual control feature enables the RM500SL to be used as a sound level
meter to perform C-weighted, A-weighted or 1/12
th
octave analysis of sound as
measured by the probe and reference microphones. A and C-weighted
measurements are limited to frequencies above 100 Hz and the averaging time
and update rate are 384 ms.
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 & <PICK> [Manual control] in the REM column.
3) Highlight and <PICK> the Level window, then highlight and <PICK> 0 dB
stimulus level from the drop-down list.
4) Highlight and <PICK> the Filter window, then highlight and <PICK> 1/12
th
octave, A-weighted, or C-weighted from the drop-down list.
5) For 1/12
th
octave filter, highlight and <PICK> the Frequency window, then
highlight and <PICK> the desired frequency from the drop-down list.
6) 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.
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.