Locking And Unlocking The Controls; Turning Voice Mute On Or Off; Using The Time-Out Timer - Motorola APX Series User Manual

• 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.
The display shows CTRL LCK.
2 Toggle again to unlock the controls.

Turning Voice Mute On or Off

You can enable and disable voice transmission, if needed.
• 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.

Using the Time-Out Timer

This feature turns off the transmitter of your radio. You
cannot transmit longer than the preset timer setting.
If you attempt to do so, the radio automatically stops your
transmission, and you hear a talk-prohibit tone.
The timer is defaulted at 60 seconds, but it can be
preprogrammed from 15 to 465 seconds, in 15-second
intervals, or it can be disabled entirely for each radio mode,
by a qualified radio technician.
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