Design and function
Illuminated indicators
23
Operating conditions of the left-hand signal LED on the radio set
Meaning of signals
Colour
Status
Meaning
off
The radio set is switched off.
red
flashing quickly
(once per second)
The radio set is searching the radio network of the
TETRA infrastructure.
lit
No TETRA network, or TETRA deactivated (a pro-
grammable behaviour of the radio set in the
charger).
green
flashing slowly
Idle status, the radio network is available.
flashing quickly
The connection is now set up: no voice communi-
cation.
lit
The connection is set up: Voice connection or
data transmission is active.
orange
flashing slowly
The radio set is connected with the TETRA infra-
structure. The connection has been set up in
“local site trunking” mode.
flashing
Connections in direct mode (DMO) are not possi-
ble at the moment. The selected channel is busy.
lit
The connection is set up: Unit transmitting
(TMO/DMO).
Operating conditions of the right-hand signal LED on the radio set
Meaning of the signals
No.
Designation
Function
23
Right-hand signal LED
The right-hand signal LED takes priority in
signalling an alarm condition (pre-alarm/
alarm) when in the personal alarm signal
mode or the charging status while the
battery is being charged.
