User's Guide

LED indicators
Blue LED
The blue LED indicates either a missed event, such as a missed call or unread message, or your
Bluetooth® status (if enabled). Notifications alerting you to the missed calls, Callouts or unread
messages appear in the Shortcut Bar. See Notifications on page21.
LED Indication Description
Flashing on for 1 second, off for one second, on
for another second, then off for seven seconds
Missed event
One flash every 10s Bluetooth® function is enabled
Continuous rapid flashing Radio is in Bluetooth® discoverable
(visible) mode
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
Flashing orange Incoming telephone call or SDS/Status message
Intermittent four flashes
orange
Transmit Inhibit mode or Fallback mode are active
Emergency button
The button on your radio is typically programmed to activate an Alarm Call. See Emergency
operation on page25.
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 SC21 Series hand-portable radio