B. he's making a rude gesture
I believe you should use user guide because maybe such problems are listed in the guide for your DVD player. Since you probably aren't going to repair the machine on your own, there is no need for looking for the solution in the repair manual.
The film that is most famous for its use of synchronized sound is the jazz singer the jazz singer triggered the talking-picture revolution A year after the release of few different films, Hollywood recognized the importance of the jazz singer with regard to the motion picture history by honoring the film with an special award.