UNIDEN Model uh012sx UHF CB RadioContentsIntroduction 2Controls/Connectors 3Indicators 4Included with your uh012sx 5OperationUHF CB Channels & FrequenciesWarranty 11Features 2Preventative Maintenance 2Troubleshooting 26Setting the FM Squelch 6Selecting a Channel 7Transmitting 7Using Repeater Channels 7Operating the uh012sx in Duplex Mode 8Scanning (Open Scan) 8Open Scan (OS) Mode 8Programming the Instant Priority Channel 9Continuous Tone Coded Squelch System (CTCSS) 9Recalling the Instant Channel 9101