. Slideshow Effect Applies transition effects to the slide show. Background Music Subtitles Rotate Rotates the video. Audio Language Information Displays detailed information about the current multimedia content. Plays background music while the TV displays photos. The music files must be saved in the same USB device as the photo files. To pause the background music, select Background Music on the playback screen bottom. Controls video subtitles. Subtitles : Turns the language of the subtitles on or off