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UNIDEN Model UH400SX, UH400SX-RM, UH500SX, UH500SX-RM OM
1
Introduction
Features ............................................................................................................................................3
Preventive Maintenance ....................................................................................................................4
Troubleshooting .................................................................................................................................4
Controls / Connectors ...........................................................................................................................5
Indicators ...............................................................................................................................................9
Included with Your UHF CB Radio .....................................................................................................10
Optional Accessories .........................................................................................................................11
DIN-E Installation (UH500SX, UH500SX-RM only) ............................................................................12
Connecting the Microphone ...............................................................................................................14
Mounting the MIC Hanger ...................................................................................................................15
Operation
Turning on the Power .....................................................................................................................17
Setting the Manual Squelch (Base only) .........................................................................................17
Setting the Auto Squelch .................................................................................................................18
Monitor ............................................................................................................................................19
Selecting a Channel ........................................................................................................................19
Programming the Instant Priority Channel .....................................................................................20
Recalling the Instant Channel .........................................................................................................20
Transmitting .....................................................................................................................................20
Call Function ...................................................................................................................................20
Dual Watch ......................................................................................................................................20
Using Repeater Channels ...............................................................................................................21
Operating the UHF CB Radio in Duplex Mode ...............................................................................22
Scanning ........................................................................................................................................22
Open Scan (OS) Mode ....................................................................................................................23
Group Scan (GS) Mode ..................................................................................................................23
Priority Watch ..................................................................................................................................24
Add/Remove Channels from SCAN Memory .................................................................................24
40 RX Channels ..............................................................................................................................25
Manual Programming ......................................................................................................................25
Deleting a programmed RX Channel frequency .............................................................................25
Selecting the Call tone ....................................................................................................................26
Roger Beep .....................................................................................................................................26
Busy Channel Lockout ...................................................................................................................27
VOX Operation (optional VOX headset required) ...........................................................................27
CTCSS (Continuous Tone Coded Squelch System) ......................................................................28
DCS (Digital Coded Squelch) ..........................................................................................................28
Beep On/Off ....................................................................................................................................29
Back Light .......................................................................................................................................29
LCD Contrast for Remote SPK/MIC ................................................................................................30
UHF CB Channels & Frequency List .................................................................................................31
CTCSS & DCS Code List ....................................................................................................................32
Warranty ...............................................................................................................................................33
Contents
uh400sx, uh500sx, uh400sx-RM, uhSec1:1 Sec1:1uh400sx, uh500sx, uh400sx-RM, uhSec1:1 Sec1:1 1/2/08 1:31:21 PM1/2/08 1:31:21 PM