Yeah, I understand the defaults based upon the source signal (5.1, 2.0, whatever). I guess I don't understand why I constantly have to re-switch it to "Dolby Digital" when it is available. The key is that "Dolby Digital" is available, just not set to it. I was under the impression that the 990 would remember my last selection for a given source signal (5.1, 2.0, whatever). I have done it over and over and over for months, and still flip to some channels and it is back on "Pro Logic Movie" and I know "Dolby Digital" is available because if I select "Dolby Modes", I can cycle it to "Dolby Digital". It seems like at some point I will have set all defaults to "Dolby Digital" when it is available (and Pro Logic Movie when not), but I've never reached that point.

Maybe I'm doing something wrong.