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Frequency without stopping the test.
Sound level meter using on-ear microphones
The manual control feature enables the RM500SL to be used as a sound level meter to
perform C-weighted, A-weighted or 1/12th 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 On-Ear Measures - 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> [On-ear measures], then highlight and
<PICK> [Manual control].
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> 1/12th octave, A-
weighted, or C-weighted from the drop-down list.
5. For 1/12th 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.
User's Guide Version 3.4 © June 2011
RM500SL
®
62
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