Installation
Vertical and Horizontal Lens | ➤ | If it is not possible to align the projector and screen as shown in Figure |
Shift |
| 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 |
Note | These are general examples of lens shift. Lenses vary in their shift |
capabilities. No particular lens or projector is used in these | |
| examples. |
150% Height
Lens Shift
(1.5 x H)
100% Height
Lens Shift
(1.0 x H)
50% Height
Screen Center Lens Shift
(0.5 x H)
0%
Base plate to center of lens Approx.
Figure 3-3. Vertical Lens Shift (Example Only)
150% Width Lens Shift
(1.5 x W)
100% Width Lens Shift
(1.0 x W)
50% Width Lens Shift
(0.5 x W)
Screen Center
0%
Screen Width (W)
Figure 3-4. Horizontal Lens Shift (Example Only)
18 Vidikron Vision Model 90t and Model 100t Owner’s Operating Manual