
10
Calibration Procedures and Operating Precautions
Calibration Procedures:
Press and hold the button and then power on
the meter. The LCD will display the “ ”
symbol.
1.
Insert the microphone housing carefully into the
insertion cavity of the calibrator.
2.
Press the ( ) or ( ) button to increase or
decrease the number.
3.
Press the button to finish. If you want to abort
during a setup process, press the power button
to cancel.
4.
*Our products are all well calibrated before shipment.
It’s recommended to re-calibrate every 1 year.
Operating Precautions:
Wind blowing across the microphone can greatly
affect the reading. When using the meter in the
presence of wind, it is advised to use the included
windscreen.
1.
Calibrate the meter before operation if the meter
has not been in use for a long period of time or if
operated in a bad environment.
2.
Do not store or operate the meter in a high temperature and high
humidity environment.
3.
Keep the microphone dry and avoid severe vibration.
4.
Please take the batteries out and keep the meter in a low humidity
location when not in use.
5.