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Operation
To Transmit and Receive
The UH405SX-2NB uses the UHF-CB Channels. Refer to page 9 for UHF
channel usage. (Channels 22 and 23 are for telemetry and telecommand
applications. Transmit is inhibited on these channels).
1. The transmit power of the
UH405SX-2NB is 500mW which will
provide a range of up to 3+Km.
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
. TX then disappears on
the LCD. Listen for a response.
For maximum range and extended the life of the batteries,
avoid touching the antenna with your hand when transmitting.
NOTE
UNIDEN UH405SX-2NB
PTT
switch
5
UHF CB Transceiver
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