Use the preprogrammed Transmit Power Level
switch to toggle the power level between low and
high power.
The display shows LOW PWR and the low power icon
or the display shows HIGH PWR and the high power
icon.
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.
Note:
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 any
programmable radio controls or buttons.
Locking and Unlocking the Controls
You can lock the programmable buttons, switches
and rotary knobs of your radio 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 or switch to on.
2 The display shows CTRL LCK.
3 To unlock the knobs and buttons, toggle again.
Turning Voice Mute On or Off
You can enable and disable voice transmission, if
needed.
Turning Voice Mute on or off via 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,
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