Optoma GT720 User's Manual - Page 29

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.  Native: This format displays the original image without any scaling.  AUTO: Automatically selects the appropriate display format. Aspect ratio (source detected) Resize image WXGA model 4:3 1067 x 800 center 16:9 16:10 Native 1280 x 720 center 1280 x 800 center Resize image of native change to above description not pixels resolution.  Each I/O has different setting of "Overscan".  "Overscan" and "Edge Mask" can't work at same time. 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. V Image Shift Shift the projected image position vertically. V Keystone Press the or to adjust image distortion vertically. If the image looks trapezoidal, this option can help make the image rectangular. 29 English