Installation
Vertical and Horizontal | ➤ | Proper placement of the projector relative to the screen will yield a rectangular, |
Position |
| |
|
| Ideally, the projector should be positioned perpendicular to the screen and in |
|
| such a way that the lens center is aligned with either the top or bottom edge of |
|
| the screen area, and centered horizontally. See Figure |
Ceiling Installation
| Ceiling |
Height | Projection Distance |
| |
x |
|
Lens Center
Lens Center
Screen
Floor Installation
HeightScreen
Lens Center |
x |
Lens Center
Projection Distance
Floor
| Figure |
Vertical Lens Shift ➤ | You can use the lens shift controls on the projector 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 |
Screen Center
0%
50% Height
Lens Shift
(0.5 x H)
100% Height
Lens Shift
(1.0 x H)
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.
Figure 3-4. Vertical Lens Shift (Example Only)
18 | Planar PD8130/PD8150 Installation/Operation Manual |