Operation
Switching on the radio set
61
Operation
In this chapter, you can familiarise yourself with the operation of the radio set. Fre-
quent operation steps are described on the following pages.
Switching on the radio set
Take note of the safety information before switching on your radio set.
Long press the
‹Hang up› (11)
key.
The display and keyboard illumination is switched on.
The radio set carries out a self-test. This will take a few seconds.
The radio set is connected with the TETRA infrastructure (if this has been pro-
grammed).
The display shows the idle display.
Done, the radio set is switched on.
Switching off the radio set
NOTE
Battery will discharge while the radio set is switched off!
Electrical discharge of the battery due to quiescent current/bias current (while the
radio set is switched off) may impair the readiness for operation of the radio set!
Place the radio set in a charger to recharge the battery.
Charge the battery regularly if it is not in use for a prolonged period of time. In the
event of it not being used for an extended period of time, it may be useful to dis-
connect the battery from the device. Take note of the safety instructions for
storage and transportation of the battery.
Perform the following steps:
1.
Unlock keyboard (if necessary).
2.
Press the
‹Hang up› (11)
key for about three seconds.
The radio set cuts the connection.
The display and keyboard illumination is switched off.
The radio set switches itself off after a short time.
