2.7.7
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 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.
2.7.8
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.
2.7.9
Change of Channels during Emergency
For ALL Emergency transmissions, when changing channels:
• If the new channel is also preprogrammed for Emergency, you can change channels while in
Emergency operation. The emergency alarm or call continues on the new channel.
MN000255A01-BL
Chapter 2: Advanced Features
77