The following icons are used to distinguish different types of TETRA
and PBX/PSTN call events:
Icon Description
Received TMO call
Sent TMO call
Missed call. Call was not answered or cleared.
TETRA Alarm Call
Received TETRA DMO Call
Sent TETRA DMO Call
Caution: If you do not switch off your radio correctly (using the
Mode/Power key) the call history is deleted.
To display the call history
Select Menu > Phone > Call History.
To display the call information
Select a call in the call history list then press Open.
To make a call from call history
See Individual calls on page 64.
Group calls
Group (point-to-multipoint) calls are calls where you talk to other users within
a nominated group of radio users (a talkgroup). In a Group call only one
person can talk at any one time (known as half-duplex mode).
During Group calls the microphone at the top of your radio is active and all
received audio is routed to the loudspeaker.
Making a group call
1.
Press and hold the PTT button and speak into the top microphone.
The LEDchanges to solid red to indicate that your radio is transmitting,
and an audible tone is heard and your radio status text changes to 'Talk'.
62
SC20 series – 04/2016
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