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    ICOM F3261DT programming question - REV #'s

    Hello all, I recently bought a ICOM F3261DT. Arrived and proceed to program it. It took some time to figure out it needed the railroad software. The radio's REV number is 4.6.4 and my software is 4.6.3. I was able to read from the radio but before writing, I wanted to ask if the software being...