2007 Lexus RX 350 Owners Manual - Page 240

3-3. Using the rear audio system n Marks shown on DVD video discs Indicates NTSC format of color TV. Indicates the number of audio tracks. Indicates the number of language subtitles. Indicates the number of angles. Indicates the screen to be selected. Wide screen: 16:9 Standard: 4:3 Indicates regions in which this video disc can be played. All: all countries Number: region code n DVD video disc glossary l DVD video discs: Digital Versatile Discs that holds world's standard video. DVD video discs have adopted "MPEG2", one of the world standards of digital compression technologies. The picture data is compressed by 1/40 on average and stored. Variable rate encoded technology has been adopted in which the volume of data assigned to the picture is changed depending on the picture format. Audio data is stored using PCM and Dolby digital, which enables higher sound. Furthermore, multi-angle and multi-language features will also help you enjoy the more advanced technology of DVD video. l Viewer restrictions: This feature limits what can be viewed in conformity with the level of restrictions of the country. The level of restrictions varies depending on the DVD video disc. Some DVD video discs cannot be played at all, or violent scenes are skipped or replaced with other scenes. • Level 1: DVD video discs for children can be played. • Level 2 - 7: DVD video discs for children and G-rated movies can be played. • Level 8: All types of DVD video discs can be played. 220