8
CALIBRATION
The meter will arrive properly calibrated and
ready for use, and should keep it’s calibration for
a significant period of time. The meter should be
recalibrated if:
• If the meter has not been used for a long time.
• If the meter has been operated in an
extreme environment.
Note...
You will need a standard acoustic calibrator
(94 dB, 1KHz Sine Wave) to recalibrate the
meter.
1. With the meter turned off, press and hold
down
MIN/MAX
.
2. While continuing to hold
MIN/MAX
, press
POWER
to turn the meter on. “CAL 94dB”
will flash.
3. Insert the microphone carefully into
the calibrator.
4. Press ▲ or ▼ to adjust the reading until the
display shows 94 dB.
5. When the displayed reading correctly reflects
the calibration point, press
MIN/MAX
to finish.
6. To exit the calibration process at any point,
press
POWER
to cancel the procedure. The
meter will return to Normal Mode.