User's Guide

Tri-colour LED
The tri-colour LED indicates the operational state of the radio.
LED Colour Description
Solid green Radio is powering on or in a call and receiving
Solid red Radio is in a call and transmitting
Intermittent flashing
red
Attempting to connect to the network or incoming telephone
SDS/Status message or battery low warning
Flashing orange Incoming telephone call or SDS/Status message
Intermittent four
flashes orange
Transmit Inhibit mode or Fallback mode are active
Emergency button
The red button on your radio is typically programmed to activate an Alarm Call. See Emergency
operation on page26.
Press and hold (2 seconds) the Emergency button 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.
14 SC20 Series hand-portable radio