If it is like my Windjammer, one of those is a line that runs to your bedroom TV area so you can connect satellite from your main receiver area to your bedroom. I have a DirecTv SWiM splitter behind my DVR receiver and connected the other end to a different receiver at my bedroom TV so my kids could watch one channel in the living room and I can watch another in the bedroom. I went a step further and put another splitter in the bedroom and installed a third receiver for my outside TV. I can watch three different channels at the same time if I so choose.
Do you have two coaxial connections at your bedroom TV? If so, what I explained is probably the case. Most TV locations will only have one connection that is shared for OTA and cable TV.
Bruce
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2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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