Motorola XPR 5550 - Manual (Page 82)

Advanced Features
English
70
Turning Horns/Lights 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.
Procedure:
Press the programmed Horns/Lights button to toggle horns
and lights feature on or off.
OR
Follow the procedure below.
1 g to access the menu.
2 f or h to Utilities and press g to select.
3 f or h to Radio Settings and press g to select.
4 f or h to Horns/Lights and press g to select.
5 Press g to enable Horns/Lights. The display shows 9
beside Enabled.
OR
Press
g to disable Horns/Lights. The 9 disappears from
beside Enabled
Turning the Public Address System On or Off
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.
Turning the External Public Address System 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.
Setting the Squelch Level
You can adjust your radio's squelch level to filter out unwanted
calls with low signal strength or channels that have a higher
than normal background noise.
Settings: Normal is the default. Tight filters out (unwanted)
calls and/or background noise. However, calls from remote
locations may also be filtered out.
Procedure:
Press the programmed Squelch button to toggle squelch level