for some reason, i cant get the dolby digital ex flag to show up on my 45tx. i realize the discs may be improperly labeled, or the flag may not have been set by the encoder. however, i find it hard to believe that either of those were the case for all the discs ive tried. lord of the rings star wars ep 1 maniac t2 monsters inc seven a few others that i cant think of now, but its never shown up. dts es shows up every time. i highly doubt my new receiver is faulty, anyone know what it could be?