Motorola XPR 4380 ユーザーズマニュアル

In addition, each alarm has the following types: 

Regular 

 Radio transmits an alarm signal and shows audio 

and/or visual indicators.

Silent 

 Radio transmits an alarm signal without any audio or 

visual indicators. Radio receives calls without any sound 

through the radio’s speaker, until you press the PTT button to 

initiate the call.

Silent with Voice 

 Radio transmits an alarm signal without 

any audio or visual indicators, but allow incoming calls to 

sound through the radio’s speaker.

Only one of the Emergency Alarms above can be assigned to 
the programmed Emergency button or the Emergency 
footswitch.

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 green LED lights up.

When an Emergency Alarm acknowledgment is received, 
the Emergency tone sounds. The green LED blinks. 
OR
If your radio does not receive an Emergency Alarm 
acknowledgement, and after all retries have been 
exhausted, a low-pitch tone sounds.

Radio exits the Emergency Alarm mode.

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.

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

The green LED lights up.

When an Emergency Alarm acknowledgment is received, 
the Emergency tone sounds. The green LED blinks.

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