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10
SOUND CALIBRATION
This procedure requires an optional 2-Point Acoustical Cali-
brator (850016):
1. Using the directions that accompany the Acoustical Cali
-
brator, ensure that the calibrator is operational and is
equipped with the ½” microphone adapter.
2. Insert meter’s sound probe into the calibrator.
3. Turn the calibrator
on
and select 94 dB.
4. Turn the meter
on
and use the
FUNCTION
button to se-
lect the Sound–Level meter function.
5. Press
HOLD
and
MAX/MIN
simultaneously for 3 seconds
and release.
The meter enters Calibration Mode and displays two values.
The upper value is the calibration point. The lower value is
the current reading.