Operation
6
UHF CB Transceiver
UNIDEN UH038SX-2NB
Selecting a Channel
1. Press
CH / HI / LO
key momentarily to activate channel
select mode. The displayed channel will flash.
2. Press or key to select the desired channel.
NOTE
Refer to channel guidelines on page 13.
For Australia, Channels 05 and 35 are
reserved for Emergency Calls.
3. Press
CH / HI / LO
key momentarily to exit channel
select mode. If no key is pressed within 5 sec the
UH038SX-2NB will exit from the channel select mode.
To Transmit and Receive
The UH038SX-2NB uses the UHF-CB Channels
(Channels 22 and 23 are for telemetry and
telecommand applications. Transmit is
inhibited on these channels).
1. Before you transmit, listen for activity on the
selected channel.
2. When the channel is clear, press and hold the
PTT
key to transmit.
TX
icon appears on the display.
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.
3. When you have finished speaking, release the
PTT
and listen for a
response.
TX
icon then disappears on the display. While receiving,
the
RX
icon is displayed.
Transmit Hi/Lo Power Select
Press and hold
CH / HI / LO
key to select desired transmit
level.
HI
icon will appear on the display for maximum
transmit level.
LO
icon will appear on the display for
minimum transmit level. The RF transmit power of the
UH038SX-2NB is selectable between 0.7/0.5 W.