Acer P1273 - Manual (Page 37)

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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.
H. Position
(Horizontal
position)
•
Press to move the image left.
•
Press to move the image right.
V. Position
(Vertical position)
•
Press to move the image down.
•
Press 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.