HP RM500SL manual Calibration of REM probe microphone

10.3 Calibration of REM probe microphone

Ensure the probe microphone assembly to be calibrated is plugged into the appropriate jack. See 2.3: Microphone connection and 10.2: REM calibration facts

1)Open the test chamber and elevate the speaker to its vertical position.

2)Press <Tests>, then highlight & <PICK> [Calibration] from the REM column.

3)Press the enlarged end of a probe tube as far as it will go, into the recessed opening at the top of the probe module.

4)Position the open end of the probe tube in front of the reference microphone inlet and press it between the posts as shown.

5)Hold the probe module 5 – 6 inches (12.5 - 15 cm) away from and directly in front of the loudspeaker. Orientation of the probe module is not critical.

6)Press <PICK> to calibrate. The resulting curve should be similar in shape to that shown but may be shifted ± 5 dB.

7)To change the calibration interval, highlight & <PICK> [Daily] or [Weekly].

FastFacts 10.3: Calibration of REM probe microphone

0611 RM500SL User’s Guide Version 2.8 Page 51