Runco XtremeProjection X-450d Spezifikationen Seite 38

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Installation
22 Runco X-400d/X-450d Installation/Operation Manual
PRE
L
IMINAR
Y
Figure 3-2. Projector Placement
Vertical and Horizontal
Lens Shift
You can use the lens shift controls to center the image on the screen. Lens shift is
generally expressed as a percentage of the screen height or width, as shown in Figure 3-3
and Figure 3-4.
Figure 3-3. Vertical Lens Shift (EXAMPLE ONLY)
Screen
Height
Projection Distance
Ceiling
x
Lens CenterLens Center
Ceiling Installation
Screen
Height
Floor
Lens Center
Projection Distance
Floor Installation
Lens Center
x
50% Height
Lens Shift
(0.5 x H)
100% Height
Lens Shift
(1.0 x H)
Screen Center
0%
Note: This is a general example of lens shift. Lenses vary in their shift capabilities. No particular
lens or projector is used in this example.
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