I just went through this on our 3300 all of the connections came back to the entertainment center. The connections were as follows:
Cable from the roof top antenna goes to the ANT connector on the booster at the entertainment center.
The cable coming from the external cable connector goes to the cable connector on the booster.
The 2nd TV connector on the booster had a piece of cable about 1' long connected to it and it ran to a splitter that had cables going to the bunkhouse and the front bedroom.