6
Microphone
Display panel
Power switch
Instantaneous of sound pressure level
Press the key to starts accumulating noise exposure.
Press the key and hold 3 seconds to stops accumulating noise
exposure.
DOSE is a parameter used to quantify noise exposure
measured in a period with the unit of % noise exposure .
The total time means accumulated running time, the
colon will blink and display will show hours and minutes.
CAL screw
Battery cover
11
Carrying clip
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