Optoma HD8000 User Manual - Page 27

English User Controls Noottee (*) Each I/O has different setting of "Overscan". (*) "Image mode-->TV" will support automatically "Overscan" with step "2" as default. (*) "Overscan" and "Edge mask" can't work at same time. (*) "H Image shift" only support in format "4:3" and "Native". If source is 1080i/p, "H Image shift" only support in format "4:3". 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. Detail informations about LBX mode : 1. Some Letter-Box 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. But if the content itself is not 4:3, it will have black bars around the image in a 16:9 display. For this kind of content, you can use LBX mode to fill the image in the 16x9 display as much as possible. 2. If you use an external 16x9 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, the full lamp power and vertical resolution is fully utilized for maximum viewing effects. Other than these two occasions, one should stay with 16:9 and 4:3 modes for most viewing experiences. Overscan Overscan function removes the noise in a video image. Overscan the image to remove video encoding noise on the edge of video source. Edge Mask Press the to reduce the size of an image. Press the to magnify an image on the projection screen. H Image Shift Shifts the projected image position horizontally. V Image Shift Shifts the projected image position vertically. 27