Reuploaded with better picture quality. I lost access to the account where this video is originally posted.
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https://www.youtube.com/watch?v=r-5bqgdmz4Y
I question if one has a built in tuner and one does not. A tuner in one of these is an asset. The tuner model will act as a converter for older TV's
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https://www.youtube.com/watch?v=QTnlmTI0uqg