
MEASURING
INSTRUMENTS
Page 5 of 8
2 DESCRIPTION OF THE CONTROLS
Figure 1 - Main parts of the sound level meter
3.1
Probe / microphone
3.2
Fast / slow switch
3.3
Resistance for setting the noise level
3.4
Start switch
3.5
Measurement / setting switch
3.6
Off-scale LED
3.7
Screen
3.8
Calibration
3.9
D.C. output (0
~
2V)
3.10
Output / input
3.11
Weighting LED
3.12
Function LED
3.13
Weighting / Memory button
3.14
Function selection LED
3.15
Function selection button
3.16
Battery cover
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