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  1. D

    Changing TV1/TV2

    It would help if you listed why type of dish system you have and which type of receivers you have, ie 625 dvr, 722 hd dvr, 322 dual tuners or single tuners like 311,301,211 . Most likely if you do have a dual tuner your technician probably used what are called diplexers that allow the use of a...
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