- 5 -
5
5.4 94dB
Calibration
Carefully plug the microphone head into the 1/2
inch hole of the standard audio source (94dB,
@1KHz sine wave).
Turn on the power of the standard audio source
(94dB, @1KHz sine wave).
Press and hold
+
for more than 1
second and enter the 94dB correction function.
Press
for auto calibration.
Press
to select frequency weighting.
Use the
/
to manually adjust the
deviation value (±3.5dB).
Press
to quit the 94dB correction function.
* Auto correction range is 90.5~97.5dB.
* The meter has been calibrated as ex-factory. The
calibration period is recommended as 1 year.