Re: How to Use the HDNet Test Pattern to do Basic ... - AT&T Community Support

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Re: How to Use the HDNet Test Pattern to do Basic Calibration

‎12-05-2009 05:16:58 PM

kjk77 wrote:
dont have to do that with cable

You don't have to do anything with any service. This is completely optional. If you want a better picture, do it. If you're satisfied with your picture the way it is, then don't. It's your choice.

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