© PCE Instruments
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6
Turning the meter on/off
To turn the meter on/off, short-press the
key. After powering on the meter, the measurement
will start automatically with the following standard settings:
Measurement range
: 30 … 80 dB
Time weighting: fast
Measurement mode: Lp
Frequency weighting: A
6.1
Automatic Power Off
If the meter is not used for more than 10 minutes, it will turn off automatically. This function cannot
be disabled.
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Backlight
To turn on the backlight, short-press the
key. Press the same key again to turn off the
backlight.
8
Maximum value
To view the maximum value, press and hold the “MAX“ key for two seconds.
On the measuring display, the maximum value of the current measurement is displayed. The bar
graph shows the current reading. To continue with the normal measurement, short-press the
“MAX“ key.
9
Setting the measurement range
To set the measurement range, use the
keys. The following measurement ranges can be
set:
30 ... 80 dB
50 ... 100 dB
60 ... 110 dB
80 ... 130 dB
If the measurement range is exceeded, “OVER“ will be displayed. If it is fallen below, “UNDER“
will be displayed.
10 Setting the frequency weighting and measuring function
To set the frequency weighting and the measuring function, repeatedly press the “A/C“ key until
the desired settings have been selected.
Possible settings:
LAp, LCp, LAeq, LAe and LCpeak
10.1
LEQ setting
After selecting the measuring function LAeq, set the measurement time. Use the arrow keys to
set the displayed time.
With the “MAX“ key, you can go from hours to minutes and from minutes
to seconds. When the settings have been made, press the “MAX“ key again. The LEQ
measurement will start directly.
To leave this measuring mode, press the “A/C“ key.
11 Time weighting
To select “FAST“ or “SLOW“, repeatedly press the “FAST/SLOW“ key until the desired time
weighting is displayed.
