Acer K330 User Manual - Page 28

English 18 Auto Keystone Automatically adjusts vertical image. Manual Keystone Adjust image distortion caused by tilting projection. (±40 degrees) Sharpeness The Manual Keystone funcion is unavailable under Auto Keystone setting to "On". Adjusts the sharpness of the image. • Press to decrease the sharpness. • Press to increase the sharpness. H. Position (Horizontal position) • Press • Press to move the image left. to to move the image right. V. Position • (Vertical position) • Press Press to move the image down. to move the image up. Frequency "Frequency" changes the projector's refresh rate to match the frequency of your computer's graphics card. If you can see a vertical flickering bar in the projected image, use this function to make the necessary adjustments. 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 or Video mode. Note: "Sharpness" functions is not supported under HDMI and Computer mode. Note: "HDMI Color Range" and "HDMI Scan Info" functions are only supported under DVI mode.