Just put the Incredibles on and flagging seems to work i.e. on the front of the 3805 on the left and right both displays show a six speaker set up, however when I play certain other discs i.e. Star Wars the display on the left displays 5 speakers and the display on the left displays 6 speakers. On both films the diplay in the middle actually says DDEX, so my question is am I getting true DDEX when watchin SW or not? Sound is comming out of my rear centre speaker by the way on both counts.