25
Operating elements
(see fold-out page)
1 Measuring microphone with wind protection
1a Threaded attachment for microphone and microphone extension cord
2 LC display
3 Button „REC“ to record measuring values
4 Button „SETUP“ for basic settings
5 Button „FAST/SLOW“ for measuring time switching
6 Button „MAX/MIN“ for display of the maximum/minimum values
7 Button „LEVEL“ for switching the measuring range
8 Button „Light“ for display illumination
9 Button „A/C“ for rating curve
10 „Hold“ button to freeze a measuring value
11 ON/OFF button
12 Treaded socket for tripod
13 Battery compartment on the back side
14 Socket for power pack unit connection
15 Mini-USB port for interface cable
16 Analogue output
17 CAL calibration potentiometer
Display symbols (2)
A MAX/MIN Recording of the maximum/minimum values
B Bar graph Analog display with range indication
C TIME/DATE Date/time display
D Measuring value
E Clock symbol Active auto power OFF function
F BAT Battery replacement display
G REC Active data recording
FULL Internal data memory full
H dBA Weighting filter for A line (=hearing)
dBC Weighting filter for C line (=linear)
I HOLD The current reading is held
J AUTO Automatic measuring range setting is active
K FAST Fast time benchmarking (125ms/measuring operation)
SLOW Slow time benchmarking (1s/measuring)
L OVER Measuring range is exceeded
UNDER Measuring range is undercut
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