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Operation
Keypad Lock
To prevent accidental entries, you can lock the keypad. Press and hold
TXP
the
button until it beeps to activate Key Lock.
To unlock the keypad, press and hold the
disappears.
When the Key Lock is active, a warning beep will be heard if
you attempt to press keys. (except for the PTT button).
NOTE
Busy Channel Lock-out (BCL)
This feature prevents accidental transmission on a busy channel.
This is recommended on channels where DCS/CTCSS is being used. If
you hear sound from the speaker, the BCL feature will prevent you from
transmitting.
MENU
1. Press
2. Press
or
BCL appears on the display when set to ON.
3. Press and hold
BCL cannot be set on extra receive channels (CH81 to
CH140).
NOTE
Scramble On/Off
Scramble enables private communications by scrambling the voice
signal. This prevents users without descrambler equipment or a
compatible unit understanding the conversation. Select desired channel.
SCRM
1. Press
icon appears.
SCRM
2. Press
disable SCRAMBLE.
For safety purposes Scramble is inhibited on channels 5,
11, 35 and Duplex enabled channels.
NOTE
UNIDEN UH078SX-NB
five times.
to change setting ON/OFF.
MENU
to store setting.
momentarily. SCRAMBLE
momentarily again to
TXP
button again.
24
Handheld UHF-CB Transceiver
appears.
icon
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