Motorola SL7550 用户手册

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页码 114
Advanced Features
English
85
Controlling the Display Backlight
You can enable or disable the radio’s display backlight as
needed. The setting also affects the Menu Navigation Buttons 
and keypad backlighting accordingly.
Press the programmed Backlight Auto button to toggle the 
backlight settings.
OR
Follow the procedure below.
1
c
 to access the menu.
2
or 
v
 to Utilities and press 
to select.
3
or 
v
 to Radio Settings and press 
c
 to select. 
4
or 
to Backlight Auto.
5
Press 
c
 to enable backlight. The display shows 9 beside 
Enabled.
OR
Press 
c
 to disable backlight. The 9 disappears from 
beside Enabled.
The display backlight and keypad backlighting are automatically 
turned off if the LED Indicator is enabled (see Turning the LED 
Indicator On or Off 
on page 87).
NOTE: At Step 4, you can also use 
<
 or 
>
 to change the 
selected option.
 Wallpaper Mode
Your radio displays the Wallpaper background on home screen. 
The user can select from 5 default wallpapers.
Procedure:
1
c
 to access the menu.
2
or 
v
 to Utilities and press 
to select.
3
or 
v
 to Radio Settings and press 
c
 to select.
4
or 
v
 to select Display.
5
or 
to Wallpaper and press 
c
 to select.
NOTE:  At Step 5, you can also use 
<
 or 
>
 to change the 
selected option.
Screen Saver Mode 
The screen saver feature allows the radio to save radio battery 
time. A Screen Saver Pre Duration is used to track the radio 
activities before entering screen saver mode. 
Radio starts Screen Saver Pre Duration upon power up. 
Radio enters into screen saver mode when 
Screen Saver Pre Duration timer expires, the radio exits
 
screen saver mode and responds to related transaction 
normally upon any user input and over the air transaction. 
NAG-LACR.book  Page 85  Wednesday, May 2, 2012  2:47 PM