Another user selected option is whether you have cable or antenna.
You need to get the manual or figure out how to set it up on the tv menu.
Usually the booster is on when using the antenna and off for cable.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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