Operational overview
Keys, buttons and knobs
Emergency button
Press and hold (2 seconds) to initiate an Alarm Call.
If the radio is powered off, press and hold (3 seconds) to power on and
initiate an Alarm Call. It may take several seconds for the radio to
complete its power on process before initiating the Alarm call.
PTT (press-to-talk) button
Press and hold to transmit (speak) during a Group call.
Release to receive and listen to other radio users.
Cancel/Home key
Press and hold (2 seconds) to power on.
In the Home screen, press and hold (4 seconds) to power off.
Press and hold (2 seconds) to return to the Home screen from any other
screen.
Press to end a phone call.
Select/Send key
Press to initiate a phone call.
Press to select a menu or option.
Navi-knob
Rotate to adjust the volume.
Navigation keys
Press to scroll lists, menus, talkgroup folders and status messages.
8
SC20 series – 07/2017
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