A Red LED
B Yellow LED
C Green LED
Solid red
Radio is transmitting.
Blinking red
Double blinking red
Radio is in Emergency Mode.
Rapidly blinking red
Radio has failed the self test upon powering up or
encountered a fatal error.
Solid yellow (Conventional Only)
Channel is busy.
Blinking yellow
Radio is receiving a secured transmission.
Solid green
Radio is powering up, or is on a non-priority channel
while in the Scan List Programming mode.
Blinking green
Radio is receiving an individual or telephone call, or is
on a Priority-Two channel while in the Scan List
Programming mode.
Rapidly blinking green
Radio is on a Priority-One channel while in the Scan
List Programming mode.
Multi-function Knob - Concentric
Ring LED
The concentric ring LED   blinks green when the MFK is
using the secondary feature. See Multi-Function Knob
(MFK) on page 38 to understand the functionality of MFK.
If Intelligent Lighting is activated, the concentric ring LED
does not blink green when the MFK is in the secondary
mode.The LED turns into solid color of orange, red or
green depending on the status of Intelligent Lighting. See 
English
 55