Funkwerk FT4 Operating Manual page 5

Individual calls ........................................................................................................... 84
Duplex mode ........................................................................................................ 85
Two-way call (direct through) ............................................................................... 88
TETRA Emergency Calls .......................................................................................... 90
Special features .................................................................................................... 90
Triggering a TETRA emergency call .................................................................... 91
Terminating a TETRA emergency call .................................................................. 92
Messaging ................................................................................................................. 93
Message types ..................................................................................................... 93
Composing an SDS text message ........................................................................ 94
Composing an SDS text message from a template .............................................. 96
Transmitting an SDS text message .................................................................... 100
Transmitting a status message ........................................................................... 102
Setting the volume .................................................................................................. 103
Key lock ................................................................................................................... 105
Locking the keys ................................................................................................. 105
Unlocking the keys ............................................................................................. 106
Open listening mode ON/OFF during a call ............................................................ 106
Muting the microphone during a call ....................................................................... 107
Brief instructions for selected functions ................................................................... 107
Personal emergency signal functions
Will-dependent emergency signal functions ............................................................ 113
Control elements ................................................................................................ 113
Alarm types ......................................................................................................... 114
Time sequence ................................................................................................... 115
Will-independent emergency signal functions ......................................................... 116
Alarm types ......................................................................................................... 116
Triggering the loss alarm .................................................................................... 116
Pre-alarm ............................................................................................................ 117
Time sequence ................................................................................................... 118
Localisation functions .............................................................................................. 120
Localisation of the radio set in case of alarm ..................................................... 120
Tracking of the radio set in an alarm situation .................................................... 120
Warden control mode ......................................................................................... 121
Technical alarms and faults .................................................................................... 121
Technical alarms ................................................................................................ 121
Technical faults ................................................................................................... 122
Programming ........................................................................................................... 122
................................................................ 113
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