Motorola XPR 4580 - Manual (Page 77)

Advanced Features
English
65
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.
Controlling the Display Backlight
You can set the radio’s display backlight intensity to either Low,
Medium, High, or Off, to light up the display and the Menu
Navigation Buttons backlighting accordingly. The setting also
affects the keypad backlighting on a keypad microphone.
Procedure:
Press the programmed Backlight button to set the backlight
intensity. Each press changes the display backlight setting to a
new setting.
OR
Follow the procedure below.
1 S to access the menu.
2 P or Q to Utilities and press N to select.
3 P or Q to Radio Settings and press N to select.
4 P
or
Q
to Backlight and press
N
to select.
5 A 9 indicates the current setting.
6 P or Q to the required setting and press N to select.
7 The display lights up accordingly and the screen returns to
the previous menu.
The display backlight, buttons and/or keypad backlighting are
automatically turned off if the LED indicators are disabled (see
Turning the LED Indicators On or Off on page 69).