3When an Emergency Alarm acknowledgment is received, the Emergency tone sounds and the green LED blinks. The display shows Emergency Alarm Successful.

OR

If your radio does not receive an Emergency Alarm acknowledgement, and after all retries have been exhausted, a tone sounds and the display shows Emergency Alarm Failed.

4Radio exits the Emergency Alarm mode and returns to the Home screen.

If your radio is set to Silent, it will not display any audio or visual indicators during Emergency mode.

Sending an Emergency Alarm with Call

This feature allows you to send an Emergency Alarm to a group of radios. Upon acknowledgement by a radio within the group, the group of radios can communicate over a programmed Emergency channel.

Procedure:

1Press the programmed Emergency On button or the Emergency footswitch.

2The display shows Sending Alarm, which alternates with your radio ID. The green LED lights up and the Emergency icon appears on the Home screen display.

3

When an Emergency Alarm acknowledgment is received,

 

 

the Emergency tone sounds and the green LED blinks. The

 

 

display shows Emergency Alarm Successful.

Advanced

4

Press PTT button to make the call. The green LED lights up

 

 

and the group icon appears on the display.

 

5

Wait for the Talk Permit Tone to finish (if enabled) and

 

 

speak clearly into the microphone.

 

 

OR

 

Features

 

Wait for the PTT Sidetone to finish (if enabled) and

 

 

 

speak clearly into the microphone.

 

6

 

 

Release the PTT button to listen.

 

7

When the channel is free for you to respond, a short alert

 

 

tone sounds (

if the Channel Free Indication feature is

 

enabled). Press the PTT button to respond.

OR

Once your call ends, press Emergency Off button to exit the Emergency mode.

8The radio returns to the Home screen.

If your radio is set to Silent, it will not display any audio or visual indicators during Emergency mode, or allow any received calls to sound through the radio’s speaker, until you press the PTT button to initiate the call.

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Motorola 4550, 4580 manual  Sending an Emergency Alarm with Call

4550, 4580 specifications

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