Somewhere near the roof terrestrial antenna there is a RG-6 coax connector on a brown plastic cover plate. Beside the coax connector on the plate is a small push button and a green LED. (Mine is behind the main TV.) The plate contains the power switch for the terrestrial antenna. The green light indicates the antenna is powered and you cannot use the exterior cable connection. Push the button and turn the green light off and you disable the terrestrial antenna power supply and this allows the external coax to supply cable signals to the TVs. Remember you must also program each TV each time you connect to a different cable system.
Many Thor class As also have a BOMB (a box of many buttons). This is a video switch box. It is a a place to connect a DVD player and distribute the signal to the individual TVs. The BOMB uses the HDMI cable system in the coach and not the coax. Again each TV must be configured to display HDMI signals. If your coach has an inverter, there will be a inverter powered 120 volt receptacle in the BOMB cabinet. Mine is above the frig.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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