http://www.newtek.com/tech/faqs/toaster/vtivta.html (Amiga Plus Extra No. 5/97, 05/1997)
Cannot Luma key, problems with luma and chroma levels on Program Output
Product: Video Toaster 2.0
Platforms: 2000
VTI and VTA Patches for 3.0 Toaster on A2000
Problems: Cannot Luma key, problems with luma and chroma levels on Program Output, ghosting of preview or control on the
Program Output, luminance problems when executing transitions.
Some revisions of the Amiga main board and some revisions of the Toaster card simply won't work with 3.0/3.1 as it was shipped.
Users who are experiencing any or some combination of the above problems should get the replacement VTI and VTA patches, from our
online services. A variety of other problems may also be eliminated by the patches. Any of the problems described can stem from
a variety of troubles though, so the patch may not be what you need for a fix, but it is a very easy first thing to try.
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