For Key TV on late 2019 models and newer, it will automatically go from over the air channels to cable channels without doing any other steps. There is no booster to turn off or on. What you need to know is you must program the channels through the TV menu when you switch from one to the other. If you scan for channels over the air, you will need to rescan for channels when hooking to cable.
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2019 Montana High Country 331RL
2017 Ford F250 Super Duty, 6.7 PSD
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