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MN004863A01-AN
Chapter 7: Advanced Features
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. The microphone remains active for the hot mic time specified in your radio's codeplug programming.
3. To exit Emergency Call, press and hold the preprogrammed Emergency button.
Turning off the radio also cancels the emergency state.
7.10.11
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.
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. Perform one of the following actions:
●
Press and hold the preprogrammed Emergency button for about a second to exit the Silent
Emergency Alarm mode.
●
Press and release the PTT button to exit the Silent Emergency Alarm mode and enter regular
dispatch or Emergency Call mode.
7.11
Fireground
The portable Fireground Communications System is designed for deployment at an incident scene.
It consists of central components that provide on-scene and in building radio coverage, and enhanced
personnel accountability and monitoring:
●
Your APX portable radios
●
Incident Management Software
●
Command Terminal
●
Radio Frequency (RF) Modem (Conventional Only)
●
Control Channel Radio (Trunking)
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