Jim wrote...

Macrovision *does* comply with NTSC specs. Unfortunately some older
TV's may have AGC systems which can't cope with the MV "over-white".
I haven't seen a set in years which reacted adversely to MV.

My 27" Panasonic often fails on MV tapes. It's a full-feature set
that's not that old. :)

Thanks,
- Win