Acer K520 - Manual (Page 31)

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English
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 HDMI mode.
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.
Sharpeness Adjusts the sharpness of the image.
• Press to decrease the sharpness.
• Press to increase the sharpness.
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.