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The display shows LOW PWR and the low power icon or the display shows HIGH PWR and the high
power icon.
7.24.4
Controlling the Display Backlight
You can enable or disable the radio display backlight as needed, if poor light conditions make the
display or keypad difficult to read.
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 and Navigation button
backlighting accordingly.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 programmable radio controls or buttons. To turn the
backlight on, press any key of the keypad, the Menu Select or Navigation button, or any
programmable radio controls or buttons.
7.24.5
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.
2 Toggle again to unlock the controls.
7.24.6
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:
Procedure:
•
Turning Voice Mute off or on using the preprogrammed Voice Mute button:
a. To turn the feature off or on, press the preprogrammed Voice Mute button.
The display shows momentary VMUT OFF, and you hear a short tone, indicating that the feature is
disabled or the display shows momentary VMUT ON, and you hear a short tone, indicating that the
feature is enabled.
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Chapter 7 : Advanced Features
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