HP RM500SL manual Manual control measurements, FastFacts 12.3 Sound level meter using REM probe

12.2 Manual control measurements

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.

FastFacts 12.2: Manual control measurements

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 1/12th 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 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> 1/12th 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.

FastFacts 12.3: Sound level meter using REM probe

0611 RM500SL User’s Guide Version 2.8 Page 57