Optoma EH501 User's Manual - Page 40

16:9 Screen 16 : 9 screen 480i/p 576i/p 1080i/p 720p PC 4:3 960x720 center 16:9 1280x720 center LBX 1280x960 center, then get the central 1280x720 image to display. Native 1:1 mapping centered 1:1 mapping display 1280 x 720 1280x720 1:1 mapping Centered centred Auto (Default) If this format is select, Screen type will auto become 16:9 (1280 x 720). If source is 4:3, auto resize to 960 x 720. If source is 16:9 auto resize to 1280 x 720. If source is 15:9 auto resize to 1200 x 720. If source is 16:10 auto resize to 1152 x 720. For 1080P model: 16 : 9 screen 480i/p 576i/p 1080i/p 720p PC 4:3 1440x1080 center 16:9 1920x1080 center LBX 1920x1440 center, then get the central 1920x1080 image to display. Native 1:1 mapping centered Auto (Default) If this format is select, Screen type will auto become 16:9 (1920 x 1080). If source is 4:3, auto resize to 1440 x 1080. If source is 16:9 auto resize to 1920 x 1080. If source is 16:10 auto resize to 1920 x 1200 and cut 1920 x 1080 area to display. Edge Mask Edge Mask function removes the noise in a video image. Overscan the image to remove video encoding noise on the edge of video source. Note „ Each I/O has different setting of "Edge Mask". „ "Edge Mask" and "Zoom" can't work at same time. Zoom Zoom in and out the images. Image Shift Shift the projected image position horizontally and vertically. V Keystone Adjust image distortion vertically. If the image looks trapezoidal, this option can help make the image rectangular. Note EN-40