Optoma GT5500 User manual - Page 44

User Controls WXGA `` 4:3: This format is for 4:3 input sources. `` 16:9: This format is for 16:9 input sources, like HDTV and DVD enhanced for Wide screen TV. `` 16:10: This format is for 16:10 input sources, like widescreen laptops. `` LBX: This format is for non-16x9, letterbox source and for users who use external 16x9 lens to display 2.35:1 aspect ratio using full resolution. `` Native: This format displays the original image without any scaling. `` AUTO: Automatically selects the appropriate display format. Detail informations about LBX mode: 1. Some Letter-Box Format DVDs are not enhanced for 16x9 TVs. In this situation, the image will not look right when displayed in 16:9 mode. In this situation, please try to using the 4:3 mode to view the DVD. If the content is not 4:3, there will be black bars around the image in 16:9 display. For this type of content, you can use LBX mode to fill the image on the 16:9 display. 2. If you use an external anamorphic lens, this LBX mode also allows you to watch a 2.35:1 content (include Anamorphic DVD and HDTV film source) that support anamorphic wide is enhanced for 16x9 Display in a wide 2.35:1 image. In this case, there are no black bars. Lamp power and vertical resolution are fully utilized. 16:9 Screen 4:3 16:9 LBX Native Auto 480i/p 576i/p 1080i/p 720p PC Scale to 960 x 720 Scale to 1280 x 720 Scale to 1280 x 960, in order to get the central 1280 x 720 image displayed on the screen. 1:1 mapping centered 1:1 mapping display 1280 x 720 1280 x 720 centered 1:1 mapping centered ``If this format is selected, the screen type will automati- cally set to 16:9 (1280 x 720) ``If source is 4:3, it will be auto resized to 960 x 720 ``If source is 16:9, it will be auto resized to 1280 x 720 ``If source is 15:9, it will be auto resized to 1200 x 720 ``If the source is 16:10, it will be auto resized to 1152 x 720 English 44