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I purchased a RD982 UHF from the estate of a local ham. It was programmed and the duplexer tuned but still remained in the original box and not yet put on the air. They could not find any paperwork, software or cables. I purchased a programming cable and got CPS version 8.05.06.008NA2. When I read the programming I only see a single analog channel. There is no digital channel programmed and I cannot find how to add a digital channel in the CPS. I can add analog channels and change the one that is already there. I can read and write to the repeater fine. What do i need to do or what am I doing wrong? I need a digital channel.