Specifications

UNIDEN UH078SX-NB Handheld UHF-CB Transceiver

Operation

Keypad Lock

To prevent accidental entries, you can lock the keypad. Press and hold

the

TXP

button until it beeps to activate Key Lock. appears.

To unlock the keypad, press and hold the

TXP

button again. icon

disappears.

NOTE

When the Key Lock is active, a warning beep will be heard if

you attempt to press keys. (except for the PTT button).

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.

1. Press

ve times.

2. Press or to change setting ON/OFF.

BCL appears on the display when set to ON.

3. Press and hold

to store setting.

NOTE

BCL cannot be set on extra receive channels (CH81 to

CH140).

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.

1. Press

SCRM

momentarily. SCRAMBLE

icon appears.

2. Press

SCRM

momentarily again to

disable SCRAMBLE.

NOTE

For safety purposes Scramble is inhibited on channels 5,

11, 35 and Duplex enabled channels.