Sony Dav S550 With Ps3 How Can I Stop Sony DAV S550 Resetting Subtitles While Watching A Dvd?

How can I stop Sony DAV S550 resetting subtitles while watching a dvd? - sony dav s550 with ps3

When I see a DVD and seleceted no subtitles in the options, it works until you have another mode of the intermediate switch by the film. He began to show captions again. it really bothers the hell out of me. and spoils the film.