Optoma W515ST-M User Manual page 75

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ADDITIONAL INFORMATION
Vertical Lens Shift Center
1.
Image must be at the center of its Horizontal shift before adjusting the image to the center of its
Vertical shift.
2.
Adjust the V. Shift until the image reaches the maximum shift range towards the bottom.
3.
Adjust the V. Shift until the image reaches the maximum shift range to the top.
4.
Measure the distance between Mark
Mark
A/B
to the bottom. The image will be at the center of its Vertical shift.
A
B
Total shift = Distance between
Center =
A/B
A
and Mark B, then divide it by 2 and position the image back to
A
to
B
Mark
A
here
Maximum shift to the bottom
Mark
B
here
Maximum shift to the top
75
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