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4. Initial Operation
4.1 Putting in the battery
1
Open battery compartment at the back of the instrument.
2
Insert 9V block battery. Ensure +/- is correct.
3
Close battery compartment.
5. Operation
5.1 Switching on/off
Switch on meter: press .
- All segments light up briefly and the meter switches to the
measurement mode (measurement range 50 - 100dB).
Switch off meter: press .
5.2 Setting the meter
The following functions can be set:
Function Description Setting options
Time weighting Sets measurement time Fast or Slow
Frequency weighting Sets weighting A or C
Level Switches over 30 to 80dB
measurement range 50 to100dB
80 to 130dB
30 to 130dB (Auto range)
Hold function Switches on MAX / MIN
Max Hold/Min Hold Function
Light Switches on display light On/Off
4. Initial Operation
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