You can also maintain a minimum backlight level on the radio front display, depending on how your
radio is programmed.
NOTE: The backlight setting also affects the Menu Select buttons, the Navigation button, and
the keypad backlighting accordingly.
The backlight remains on for a programmed time before it automatically turns off completely or
returns to the minimum backlight level.
Procedure:
Perform one of the following actions:
• To turn the backlight on, press any key of the keypad, the Menu Select or Navigation
button, or any programmable radio controls or buttons.
7.28.7
Locking and Unlocking the Keypad and Controls
You can lock the keypad, programmable buttons, rotary knobs, and switches of your radio to avoid
inadvertent entry.
Check with your dealer or qualified technician for best selection to suit your usage.
Procedure:
1 Toggle the programmed Keypad/Control Lock button or switch to on.
The display shows Kypd/Ctrl Lock.
2 Toggle again to unlock the controls.
7.28.8
Turning the Controls and Buttons Tones On or Off
When and where to use: You can enable and disable the tones of Navigation buttons and controls if
needed.
Procedure:
• Turning the tones on or off using the preprogrammed Mute button:
a. To turn the tones off or on, press the preprogrammed Mute button.
• Turning the tones on or off using the radio menu:
a.
or to Mute.
b. Press the Menu Select button directly below Mute.
The display shows momentary Tones off, indicating that the tones are disabled or the
display shows momentary Tones on, and you hear a short tone indicating that the tones are
enabled.
7.28.9
Turning Voice Mute On or Off
This feature allows you to mute the voice transmission of the current zone and channel.
When and where to use:
MN001424A01-AW
Chapter 7 : Advanced Features
117
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