UNIDEN Model uh015sx UHF CB RadioContentsIntroduction 3Features 3Preventive Maintenance 3Troubleshooting 3Controls / Connectors 4Indicators 5Package Contents 6Mounting Options 7Operation 9Setting the Squelch 9Monitor 9Selecting a Channel/POLICE and CB Channel Groups 9Transmitting 10Using Repeater Channels (Duplex Mode) 10Operating the uh015sx in Duplex Mode 11Scanning 11Open Scan (OS) Mode 11Group Scan (GS) Mode 12Memorizing Channels and Frequencies for Scan 13Wide Band Searching 1360 RX Channels 14Manual Programming 14Copying a Police frequency to a RX Channel 14Copying a frequency found using SEARCHto a RX Channel 15Busy Channel Lockout 16VOX Operation (optional VOX headset required) 16Programming the Instant Priority Channel 16Recalling the Instant Channel 16CTCSS (Continuous Tone Coded Squelch System) 17DCS (Digitally Coded Squelch) 171