STB Main Menu >> Customer Support >> In Home Agent >> STB/DVR Auto Correct It resets the box and reloads stuff, including IMG channel guide information.
I called Verizon, and while I was on hold a recording said there was a video upgrade within the last 3 days and if you are having issues to unplug and plug back in the box.
I did that and now the correct High Def NBC channel shows on 510.
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