The original Seiki TVs just had the over-the-air tuner (ATSC). This works in many older parks. It's only the parks that get their signals from a newer cable company that the digital cable tuner (QAM) is needed.
A friend of mine bought a 2017 Vegas and that Seiki TV is the newer model that has both tuners. I've seen them advertised online for about $150. BUT, why deal with a crappy TV when you can buy a new 17", 720p, Samsung Smart TV for about $175.
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