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• To toggle the backlight on or off, press the
preprogrammed
Light/Flip
button.
• To turn the backlight on, press either the
Menu
Select
buttons or any programmable radio
controls or buttons.
Locking and Unlocking the Controls
You can lock your radio 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.
The display shows
Kypd/Ctrl Lock
.
2
Toggle again to unlock the controls.
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:
a) 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.
Turning Voice Mute On or Off
You can enable and disable voice transmission, if
needed.
•
Turning Voice Mute off or on via the
preprogrammed
Voice Mute
button:
a) To turn the feature off or on, press the
preprogrammed
Voice Mute
button.
•
Turning Voice Mute on or off via the radio menu:
a) Press the
Menu Select
button directly below
VMut
.
The display shows momentary
Voice mute off
, and
you hear a short tone, indicating that the feature is
disabled or the display shows momentary
Voice
Advanced Features
64
English
Summary of Contents for ASTRO APX 1000 Series
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