Acer P1387W User's Guide Page 39

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H./V. Keystone Auto V. Keystone
Automatically adjusts vertical image.
H. Keystone
Press the or button to adjust image distortion horizontally
and makes a squarer image.
V. Keystone
Press the or button to adjust image distortion vertically and
makes a squarer image.
4 Corner
Correction
Manually adjusts the shape and size of an image that is unevenly
rectangular on all sides. Press "MODE" repeatedly to select the corner
that you wish to adjust. Press four directional selection keys to adjust
the image shape.
<Note> The function is unavailable when H./ V. Keystone is adjusted.
Sharpness Adjusts the sharpness of the image.
Press to decrease the sharpness.
Press to increase the sharpness.
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.
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