How To Get A Preferred Image Position By Adjusting Lens Shift - Acer V9800 User Manual

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How to get a preferred image position by adjusting
lens shift
The projector is equipped with lens shift for adjusting the position of projected
image without requiring you to physically move the projector.
Note: The figures shown in this section are for reference only not
approximate value. The figures between units can be different
due to assembly tolerance.
The vertical height can be adjusted between -65% and 65% of the image
height. The horizontal width can be adjusted between -27% and 27% of the
image width.
The horizontal position
The vertical position
1 image height
27% 27%
1 image width
65%
65%