Motorola XPR 4380 Manuale Utente

You can enable and disable the radio’s internal public address 
(PA) system.

Procedure: 
Press the programmed PA On/Off button to toggle the feature 
on or off.

You can enable or disable the audio routing between the 
connected public address (PA) loudspeaker amplifier and the 
radio’s internal public address (PA) system.

Procedure: 
Press the programmed Ext PA On/Off button to toggle the 
feature on or off.

Your radio is able to notify you of an incoming call via the horns 
and lights feature. When activated, an incoming call sounds 
your vehicle's horn and turns on its lights. 

This feature needs to be installed through your radio’s rear 
accessory connector by your dealer.

Press the programmed Horns/Lights button.

You hear a positive indicator tone, indicating the horns and 
lights feature is on.
OR
You hear a negative indicator tone, indicating the horns and 
lights feature is off.

You can enable and disable all radio tones and alerts (except 
for the incoming Emergency alert tone) if needed.

Press the programmed All Tones/Alerts button.

You hear a positive indicator tone, indicating all tones and 
alerts are on.
OR
You hear a negative indicator tone, indicating all tones and 
alerts are off.