User's Guide

Table Of Contents
Advanced Features
English
59
Locking and Unlocking the Controls†‡
You can lock your radio’s programmable buttons to avoid
inadvertent entry. This function can be preprogrammed as a
short press or long press per your request. Refer to your
qualified technician for advice.
Procedure:
1 Long press the preprogrammed Control Lock button to lock
the controls. Associated Voice announcement will be played
if preprogrammed.
2 The display shows CTRL LCK.
3 Long press again to unlock the controls. Associated Voice
announcement will be played if preprogrammed.
Turning Voice Mute On or Off†‡
You can enable and disable voice transmission, if needed.
Procedure:
1 Press the preprogrammed Voice Mute button to turn the
feature off or on.
2 The display shows momentary VMUT OFF, and a short tone
sounds, indicating that the feature is disabled. You hear
associated Voice announcement if preprogrammed.
OR
The display shows momentary VMUT ON, and a short tone
sounds, indicating that the feature is enabled. You hear
associated Voice announcement if preprogrammed.
Using the Time-Out Timer
This feature turns off your radio’s transmitter. You cannot
transmit longer than the preset timer setting.
If you attempt to do so, your radio automatically stops your
transmission, and you hear a talk-prohibit tone.
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