Acer K137 Instruction Manual - Page 27

English 17 Tracking Synchronizes the signal timing of the projector with the graphics card. If you experience an unstable or flickering image, use this function to correct it. HDMI Color Range Adjust the color range of the HDMI image data to correct color display error. • Auto: Automatically adjust by information from player. • Limited Range: Prosess the input image as limited color range data. • Full Range: Prosess the input image as full color range data. HDMI Scan Info Adjust the overscan ratio of the HDMI image on screen. • Auto: Automatically adjust by information from player. • Underscan: Always no overscan on HDMI image. • Overscan: Always keep overscan on HDMI image. Note: "H. Position", "V. Position", "Frequency" and "Tracking" functions are not supported under HDMI, DVI or Video mode. Note: "Sharpness" functions is not supported under HDMI (RGB) or Computer mode. Note: "HDMI Color Range" and "HDMI Scan Info" functions are only supported under HDMI mode.