NEC PE401H - Adjusting the Projector Zoom;Focus

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... English
Installation
Adjusting the Projector Zoom/Focus
You may turn the zoom ring to zoom in or out. To focus the im-
age, rotate the focus ring until the image is clear. The projector
will focus at distances from 32 to 474 inch (0.82 to 12.0 meters)
with mechanical travel.
Zoom Lever
Focus Ring
Adjusting Projection Image Size
S
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Wi
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Screen Hight
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Screen Diagonal (A)
Throw Angle
(α)
Lens Center
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D
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(B)
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Di
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C
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