One of my channels in the guide for live tv is flashing Red. Can anyone tell me what this means? The channel seems to display okay.
That just means that one of your tuners is tuned to that channel.
Thanks snowcat. We just cut the cord and are experiencing the learning curve… 
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You’re welcome. It is a bit inconsistent. You might have multiple channels in use, but you likely will see just the last viewed channel flashing. Sometimes you see all the tuned channels flashing, though that seems to happen only if you keep switching back and forth between them (and even then only for a short time).