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How to check if your TV is playing in 4K or not
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关键摘要
There's plenty of 4K content to watch on your 4K TV, but not everything is in Ultra HD. Thankfully, you can check what you're currently seeing.
摘要引擎：抽取
正文提要
There's plenty of 4K content to watch on your 4K TV, but not everything is in Ultra HD. Thankfully, you can check what you're currently seeing.
