6.9.9
Sending An Emergency Alarm and Call with Hot Mic
This feature allows you to send an Emergency Alarm and Call with hot mic to a group of radios.
When and where to use: Your radio must be programmed for this type of operation.
Follow the procedure to send Emergency Alarms and Call with hot mic on your radio.
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 acknowledgment. The display shows ACK RECEIVED.
• You receive no acknowledgment. The display shows NO ACKNOWLEDGE.
If unsuccessful, a tone sounds to indicate that the selected channel does not support emergency
and rejects to launch emergency mode.
2 Hold the radio vertically 1 to 2 inches (2.5 to 5.0 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.
6.9.10
Sending a Silent Emergency Alarm
When and where to use: This feature allows you to send an Emergency Alarm to the system without
triggering any audio or visual indicators.
This activated microphone state is also known as “hot mic”.
NOTICE: If you press the PTT button during hot mic, and continue to press it after the hot mic
duration expires, the radio continues to transmit until you release the PTT button.
Procedure:
1 Press the preprogrammed Emergency button.
The display shows no changes, the LED does not light up, and you hear no tones. The silent
emergency state continues until you perform the next step.
2 Press and hold the emergency button until a tone sounds to exit the silent alarm mode.
If silent emergency alarm is used with emergency call, pressing the PTT button exits the silent
mode and initiates the emergency call.
6875947M01-HM
Advanced Features
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