13
UNIDEN Model uh710sx/uh720sx UHF CB Radio
button
OPERATION
Selecting A Channel
Press
or
to select the desired
channel.
If you press and hold
or
the channel
numbers will scroll
rapidly.
To Transmit And Receive
The radio uses the 40 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 is 2 Watts and
uh710sx 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.