2Press eand select Yes to exit the Alarm List.

To revisit the Alarm List, press g to access the menu and select Alarm List.

Responding to an Emergency Alarm

Procedure:

When receiving an Emergency Alarm:

1In the Alarm List, f or h to the required alias.

2If the Channel Free Indication feature is enabled, you hear a short alert tone the moment the transmitting radio releases the PTT button, indicating the channel is free for you to respond.

3Press PTT button to transmit non-emergency voice to the same group that the Emergency Alarm was targeted to. The green LED lights up. Your radio remains in the Emergency mode.

4Wait for the Talk Permit Tone to finish (if enabled) and speak clearly into the microphone.

OR

Wait for the PTT Sidetone to finish (if enabled) and speak clearly into the microphone.

5Release the PTT button to listen. When the emergency initiating radio responds, the green LED blinks. You see the

Group Call icon, the group alias or ID, and transmitting radio alias or ID on your display.

6Your radio displays the Alarm List.

Emergency voice can only be transmitted by the emergency initiating radio. All other radios (including the emergency receiving radio) transmit non-emergency voice.

Sending an Emergency Alarm

This feature allows you to send an Emergency Alarm, a non-voice signal, which triggers an alert indication on a group of radios.

Procedure:

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

2The display shows Tx Alarm and the destination alias. The green LED lights up and the Emergency icon appears.

OR

The display shows Tx Telegram and the destination alias. The LED lights up solid green and the Emergency icon appears.

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

OR

If your radio does not receive an Emergency Alarm

Advanced Features

45

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Motorola XPR 5550 manual  Responding to an Emergency Alarm,  Sending an Emergency Alarm