Technical data

4 Operation
13
ARGUS 3u plus /3u NT
4 Operation
Power Key:
- To switch the ARGUS ON/OFF
- To start up again after a power down
- to switch on the display backlighting
In battery mode to save power, the
backlighting will switch off automatically after
5 seconds.
- To switch the ARGUS OFF
(must be pressed somewhat longer)
If it is turned off while the power supply
is connected, the unit will begin to charge
the accumulators. (s. Seite 133 Accu
servicing)
Confirmation key:
- Select menu or continue
Menu control:
- Open the menu list
- Scroll through lists
- Select a menu
- Select a function in an
open menu
Receiver inset
LEDs
Soft keys
Menu control
Confirmation key
Layer 1 measurement
Pickup / Hang up
Calling
Power
Microphone
Fastener for
shoulder strap
Numerical keypad
LCD display
4x16 characters