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I am trying to program some F52D radios in digital mode to make them compatible with F3261D and 3210D radios (digital mode). They will not communicate with the other digital radios. I noticed in the software that there is no Talkgroup. There is a call list and digital Profile; however, all of my attempts have not worked. The 3261's and 3210's receive analog ok, but not digital. I am one week away from getting these to work for my county fair. Any suggestions?