I use a Denon AVCA1SE (soon to be upgraded) and have been playing around with playback modes after re-reading a section of the fairly poor manual. In the manual there is a list of recommended playback modes for various source material formats, and for 5.1 playback of DD sources it says 'Home THX Cinema' is the optimum mode and has been optimised for movie playback. To engage this mode the maunal says you merely press the 'Home THX Cinema' button when playing a the source, but upon doing this I get 'THX 5.1' and not 'Home THX Cinema'. I have rear (EX/ES) speakers connected but flag detect is OFF and SB channel is OFF. Does anyone know why this occurs and I am not getting 'Home THX Cinema'?