Controlling The Display Backlight; Locking And Unlocking The Controls; Turning The Controls And Buttons Tones On Or Off - Motorola APX 4000 User Manual

speaker routing or press the Menu Select
button directly below Exit to exit the screen
without making any changes.
The radio returns to the Home screen. The
profile name on the Home screen indicates the
current selected radio profile.

Controlling the Display Backlight

You can enable or disable the radio's display
backlight as needed, if poor light conditions make the
display or keypad difficult to read.
Depending on how your radio is preprogrammed, you
can also maintain a minimum backlight level on the
radio's front display.
Note: The backlight setting also affects the Menu
Select buttons and Navigation button backlighting
accordingly.
The backlight remains on for a preprogrammed time
before it automatically turns off completely or returns
to the minimum backlight level.
Perform one of the following actions:
• To toggle the backlight on or off, press the
preprogrammed Light/Flip button.
To turn the backlight on, press either the Menu
•
Select or Navigation button, or any
programmable radio controls or buttons.

Locking and Unlocking the Controls

You can lock your radio's programmable buttons and
MFK to avoid inadvertent entry. Check with your
dealer or qualified technician for best selection to suit
your usage.
1 Toggle the preprogrammed Keypad/Control Lock
button to on.
2 The display shows Kypd/Ctrl Lock.
3 To unlock the buttons and MFK, toggle again.

Turning the Controls and Buttons Tones On or Off

You can enable and disable the tones of Navigation
buttons and controls if needed.
• Turning the tones on or off via the preprogrammed
Mute button:
a) To turn the tones off or on, press the
preprogrammed Mute button.
• Turning the tones on or off via the radio menu:
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