Optoma EH512 EH512 User Manual - Page 62

Determining the lens shift center position, Vertical Lens Shift Center

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ADDITIONAL INFORMATION Determining the lens shift center position 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. Mark A here Maximum shift to the bottom 3. Adjust the V. Shift until the image reaches the maximum shift range to the top. Mark B here Maximum shift to the top 4. Measure the distance between Mark A and Mark B, then divide it by 2 and position the image back to Mark A / B to the bottom. The image will be at the center of its Vertical shift. Center = A/B B Total shift = Distance between A to B A 62 English

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English
62
ADDITIONAL INFORMATION
Determining the lens shift center position
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.
Maximum shift to the bottom
Mark
A
here
3.
Adjust the V. Shift until the image reaches the maximum shift range to the top.
Maximum shift to the top
Mark
B
here
4.
Measure the distance between Mark
A
and Mark
B
, then divide it by 2 and position the image back to
Mark
A / B
to the bottom. The image will be at the center of its Vertical shift.
A
B
Total shift = Distance between
A
to
B
Center =
A/B