The MAX/MIN button is used to measure the maximum and
minimum level of sounds.Press the MAX/MIN button two
seconds,the meter will be go on measuring.
5)On/Off button
6)Tripod hole
：
fixed the meter on the tripod
7)Battery cover
V.Measurement Preparaion
(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, mark"BAT"appears. If it appears, battery
should be replaced with new one.
VI. Operating Precautions
(1) Wind blowing across the microphone would bring
additional extraneous noise.
Once using the instrument in the presence of wind, it is
a must to mount the windscreen to not pick up
undesirable signals.
(2) To achieve more accurate measurement, use an
extension cable to separate the Microphone from the
main body so that the effect of unexpected sound
reflection can be eliminated.
(3) Calibrate the instrument before operation if the
instrument was not in use for a long time or operated at
bad environment.
1) Windscreen
If you operate at wind speed over 10m/sec, please put
protective accessories in front of the microphone.
2)Display
SYMBOL FUNCTION
LCD
3digits
MAX/MIN
Maximum and Minimun Value
OVER
Over range
dBA unit
HOLD
Keep the reading
BAT
Low-Battery
3)"HOLD" button
Data Hold button: Press and hold the Button to trun on or off
data hold function
The hold function freezes the reading in the display.
4) "MAX/MIN"button
4
5
