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ADVANCED FEATURES 
Emergency Operation 
Sending an Emergency Alarm and Call with Hot Mic 
139 
This feature allows you to send an Emergency Alarm 
and Call with hot mic to a group of radios. 
Your radio must be programmed for this type of 
operation. 
 
Procedure: 
1. Press the preprogrammed Emergency button. 
If successful, the display shows EMERGENCY on 
the current zone and channel. A tone sounds and 
the LED blinks red momentarily. 
The radio exits Emergency Alarm and enters the 
Emergency Call state when one of the following 
scenarios occur: 
•  You receive the dispatcher acknowledgement. 
The display shows Ack received. 
• You receive no acknowledgement. The display 
shows No acknowledge. 
2. Hold the microphone vertically 1 to 2 inches (2.0 
to 2.5 cm) from your mouth. 
3. The microphone remains active for the hot mic 
time specified in your radio's codeplug 
programming. 
4. To exit Emergency Call, press and hold the 
preprogrammed Emergency button. 
Turning off the radio also cancels the emergency 
state.