Acer H7531D Series User Manual page 31

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H. Position
(Horizontal
position)
V. Position
(Vertical position)
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 Scan Info
Adjust the overscan ratio of the HDMI image on screen.
Note: "H. Position", "V. Position", "Frequency" and "Tracking" functions
are not supported under HDMI or Video mode.
Press
to move the image left.
Press
to to move the image right.
Press
to move the image down.
Press
to move the image up.
Auto: Automatically adjust by information from player.
Underscan: Always no overscan on HDMI image.
Overscan: Always keep overscan on HDMI image.
21

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