They've mislabeled the card, then. It only scandoubles, but non-interlaced modes (such as A4000 bootup menu) should be solid.
I was unhappy with mine and find the C= 2320 works much better (scandoubles and flicker-fixes.)
Hm, it is even version 1.1, so they messed up at least twice.
I do have a FlickerMagic, but that one is without cable and I wasn't able to make one, there is a topic about it which goes back to 2006, and even now it still ain't fixed.
Or do you say: get rid of both and use:
http://www.vesalia.de/e_indivisionaga4000d.htm I'm thinking about it, although it is quite expensive, I might want to use it with a TFT monitor in stead of the Sony Multisync 14" CRT...