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4 Operation
Telephony
- Pickup or hang up
- Simplified overlap signalling: Press
the telephone key twice.
Layer 1 Measurement:
start the Layer 1 measurement
(Level/Voltage)
Number Pad:
- Entry of the digits 0....9 and of the
special characters *, # (e.g. the call number or
numerical entry in a function)
- Direct function call
(see Seite 25)
Softkeys:
The function of the 3 softkeys varies with the
situation.
The current function of each softkey is shown in
the highlighted fourth line of the display.
Connectors on the end:
•
9 V-
Connection for the external power supply. When the
power supply is plugged into this connector, the
rechargeable batteries will be disconnected.
After it is switched off, the ARGUS will automatically
recharge the accumulators(s. Seite 133 Accu servicing).
14
ARGUS 3u plus /3u NT
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