Motorola 4580 Manual De Usuario

When receiving an Emergency Alarm:

Press any button to stop all Emergency Alarm received 
indications.

If the Channel Free Indication feature is enabled, you 

will hear a short alert tone the moment the transmitting radio 
releases the PTT button, indicating the channel is free for 
you to respond.

Press 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.

Wait 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.

Release 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.

Once your call ends, press 

R

, then press Emergency 

Off button immediately to clear the Emergency Call received 
indications and exit Emergency mode.

The radio returns to the Home screen.

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

Press the programmed Emergency On button or the 
Emergency footswitch.

The 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.

NAG_6880309T15.book  Page 38  Tuesday, March 9, 2010  11:47 AM