13
Operation
UHF CB Radio
UNIDEN UH720SX-NB/UH710SX-NB
Selecting A Channel
Press
or
to select the desired channel.
NOTE
If you press and hold
or
the
channel numbers will scroll rapidly.
To Transmit And Receive
The radio uses the UHF-CB Channels.
For your reference a list of the available
channels and corresponding frequencies
is printed on page 25. (Channels 22 and
23 are for telemetry and telecommand
applications. Transmit is inhibited on
these channels).
1. The maximum RF transmit
power of the UH720SX-NB is 2 Watts
and UH710SX-NB is 1 Watt.
2. Before you transmit, listen for
activity on the selected channel.
3. When the channel is clear,
press and hold the
to transmit.
TX
appears on the LCD.
Hold the radio with microphone approximately
5 cm in front of your mouth with the antenna at
approximately 45° angle away from your head.
Speak in a clear, normal conversational voice.
4. When you have finished speaking, release the and listen for a response
then TX disappears on the LCD. BUSY appears while receiving a signal.
PTT
button
