[mythtv-users] OverScan / Vertical alignment

[Allan McIntosh]

>There's also possibly a need for a setup screen to enable people to properly set their TV's brightness/contrast controls (or TV output).. This would include signals like PLUGE (for correct brightness & contrast) & colour bars (for correct colour temperature/saturation).  This would be very simple to add into a setup menu, although calling external screen setup programs (e.g. nvidia-settings) might give rise to other issues (such as which program to call since not everybody uses the same graphics hardware).
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That would be really cool integrated tv calibration tools. mpeg-2 test 
patterns for white level, blackness, sharpness. That would be slick.
I use Avia's DVD for this.