
38
Structure and function
Illuminated indicators
Illuminated indicators
The radio set signals certain operating conditions by means of illuminated indicators.
Left signal LED
The left signal LED indicates the status relating to the TETRA radio connection.
Left signal LED on the radio set
Meaning of signals
Colour
Status
Meaning
OFF
The radio set is off.
red
flashing quickly
(once per second)
The radio set is searching the radio network of the
TETRA infrastructure.
flashing slowly
(once every 3
seconds)
The radio set cannot find a radio network.
lit
No TETRA network, or TETRA deactivated (a
parameterizable 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 now 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 now set up: Unit transmitting
(TMO / DMO).
Summary of Contents for FT4
Page 1: ...TETRA Radio Set Funkwerk FT4 S Operating Manual...
Page 27: ......
Page 30: ...26 Conformity and approvals EC declaration of conformity...
Page 70: ...66 TETRA basics TETRA connection types...
Page 142: ...138 Personal emergency signal functions Shutting down...
Page 148: ...144 Technical data Side connector...
Page 149: ......