HP RM500SL Manuale Utente Scaricare il pdf (Pagina 51)

0611 RM500SL User’s Guide Version 2.8 Page 51

10.3 Calibration of REM probe microphone

FastFacts 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].

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HP RM500SL Manuale Utente Pagina 51