Programming the Instant Priority Channel

UNIDEN Model UH400SX, UH400SX-RM, UH500SX, UH500SX-RM OM

Operation

Programming the Instant Priority Channel	CALL INST
Turn the Rotary Channel Selector at the base or press	CALL INST
on the Remote SPK/MIC to select the Priority Channel you
prefer.
Press and hold [INST] button on the microphone for 3
seconds to store the new setting. INST icon appears.

PTT

Recalling the Instant Channel

Momentarily press the [INST] button on the microphone at any time to return to the Instant Channel.

Transmitting

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.

Call Function

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 sound.

DUAL Watch

Dual watch will continuously monitor the Instant channel no matter what other channel is on (see Programming the Instant Priority Channel above)

Press [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 [DCS/CTCSS/DUAL] on the Remote SPK/MIC. DUAL icon disappears.

uh400sx, uh500sx, uh400sx-RM, uhSec1:20 Sec1:20

1/2/08 1:31:27 PM

Operation