George, we have a 2007 3075 and use Direct TV and cable when available. The way I wired it in is to take the cable/satellite input and run it through a switch from Radio Shack that allows for a single input and switches between Antenna and Cable. This must be a switch that allows power to travel both ways for the Satellite. When switched to cable the wire must go from this switch directly to your TVs. When switched to Antenna, the wire needs to go through a splitter which allows one wire to directly to the TVs and the other wire to go to your Dish or Direct TV box. The wire out of the Dish or Direct TV Box will then go to the TVs. This splitter also must allow for power to go both ways for the Satellite. Let me know if you don't understand. Basically when I put up to a campground I only have to switch the Cable/Antenna switch. Also you cannot use your power booster located in your bedroom closet when using the Satellite. Good Luck. John
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