16
⒂ Calibration potentiometer(CALL)
For external standard level calibration adjustments.
Tripod mounting screw
Battery cover
Microphone
1/2 inch Electret Condenser microphone
5. CALIBRATION PROCEDURES
①Make the following switch settings:
Frequency weighting: A-weighting
Time weighting: FAST
Level range: 50 ~100dB
②Insert the microphone housing carefully into the
1/2 inch insertion hole of the calibrator(94dB @
1KHZ).
③Turn on the switch of calibrator and adjust the
CALL potentiometer of the unit 94.0dB is
displayed.
Komentáře k této Příručce