On the set of connections with the "loop" of wire connecting them, This is where the signal from the outside coax connection comes in (where either park cable or SAT Rcvr is attached). When hooked up to park cable the loop sends the signal up to the front of the trailer to the antenna amplifier panel (normally in the bedroom closet) this panel in addition to providing the means of turning on the roof antenna amplifier connects the signal from the roof antenna and the external coax input together and sends the signal to the front and rear tv (and fm reciever). The Roof antenna is normally much weaker than the coax or satelite signal and with the booster off you are getting cable or satelite at that TV. with the booster on, the antenna signal is stronger and interferes with the cable signal (which is why you have to turn the booster off to watch cable).
If you are connecting a satelite signal instead of park cable to the outside input you have to "insert" the sat reciever box somewhere in the system in order to decode and moudulate (provide channel seperation) of the signal off the dish. This is why there is that "Loop" in the cabinet. remove the jumper between the two connectors, run a line from the top jack to the sat rcvr sat iput connection. run a piece of coax from the "out to tv" to the bottom jack on the panel to send the decoded signal up to the antenna amplifer panel and from there it will be sent to the TVs.
This "setup" only allows you to watch the same satilite program on each tv. if you wanted to run two sat rcvrs to watch independent shows you have to do the set up different. For that option, leave the loop in place. disconnect the input from the back of TV, run it into the Sat input on a rcvr and run the output to tv into the back of the tv. Do the samething in the bedroom - line from the connecter on the anttena booster panel to the second sat rcvr, line from rcvr output into the back of the bedroom tv.
THis gets even more complicated if you have an HDTV as the tv has two coax inputs, one to the analog tuner and one to the digital tuner. If you are properly wired for HDTV (sometime in 07 the factory began doing it correctly) in the coax that runs from the wall into the tv there should be a splitter (in addition to the one going to the radio) with two outputs going to the two tv inputs. For the two sat rcvr set up I would remove the analog tuner input to the tv, run it to the sat rcvr and then run the sat rcvr output to the tv analog turner input.
Hope this makes sense.
Bill
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Bill and Lisa Rearick
2023 Grand Design Reflection 367BHS
2020 GMC SIERRA 2500 Denali, 8 ft bed, SRW, Duramax Diesel w/10 speed Alison Transmission.
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