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UNIDEN Model UH400SX, UH400SX-RM, UH500SX, UH500SX-RM OM
Programming the Instant Priority Channel
Turn the Rotary Channel Selector at the base or press
on the Remote SPK/MIC to select the Priority Channel you
Press and hold
[INST] button on the microphone for 3
seconds to store the new setting. INST icon appears.
Recalling the Instant Channel
Momentarily press the [INST] button on the microphone at
any time to return to the Instant Channel.
The UHF CB Radio uses the 40 UHF-CB Channels (Channels
22 and 23 are for telemetry and telecommand applications.
Transmit is inhibited on these channels).
Select the desired channel. Press the microphone’s PTT
button and speak normally into the microphone. Hold it
approx. 7cm from your mouth. Release the PTT button to
end the transmission and listen for a reply.
Press the microphone Call Button. A three second ringing tone
will be transmitted.
You may select from 5 types of tones (see p.26).
Current regulations require calling tones to be restricted to one transmission per
minute. If a second transmission is attempted within one minute then an error tone will
Dual watch will continuously monitor the Instant channel no matter what other
channel is on (see Programming the Instant Priority Channel above)
[DUAL/MON] on the base or press and hold [DCS/CTCSS/DUAL] on the Remote SPK/
MIC. DUAL icon appears and a short tone beep is heard.
To cancel DUAL Watch press
[DUAL/MON] on the base or press and hold
on the Remote SPK/MIC. DUAL icon disappears.
uh400sx, uh500sx, uh400sx-RM, uhSec1:20 Sec1:20uh400sx, uh500sx, uh400sx-RM, uhSec1:20 Sec1:20 1/2/08 1:31:27 PM1/2/08 1:31:27 PM