B&K Precision 732A - Manual - Manual (Page 9)

8
Display: dBA
Time weighting: FAST
Measurement mode: MAX MIN Mode function disable.
Level range: 50 to 100dB
(2) Insert the microphone housing carefully into the insertion hole of the
calibrator.
(3) Turn on the switch of calibrator and adjust the CAL potentiometer of the unit.
The level display will indicate the desired level .
All products are well calibrated before shipment.
Recommended Recalibration cycle : 1 year.
VII. MEASUREMENT PREPARATION
(1) Battery Loading
Remove the battery cover on the back and put in one 9V Battery.
(2) Battery Replacement
When the battery voltage drops below the operating voltage, this symbol will
appear . Replace 9 Volt battery.
(3) AC Adapter Connection
When the AC adapter is used, insert the plugs of the adapter into the DC 9V
connector on the side panel.
VIII. OPERATING PRECAUTIONS
(1) Wind blowing across the microphone would bring additional noise.
When using the instrument in the presence of wind, always use the
windscreen to eliminate unwanted noise.
(2) Calibrate the instrument before operation if the instrument was not in use for
a long period of time.
(3) Do not store or operate the instrument at high temperature and high humidity
environment.
(4) Keep the microphone dry and avoid severe vibration.
(5) Please take out the battery and keep the instrument in a low humidity
environment when not in use.
IX. MEASUREMENT
(1) Open battery cover and install a 9V battery in the battery compartment.
(2) Turn power on and select the desired response Time and Weighting. If the