Installation
Vertical and Horizontal | ➤ | You can use the lens shift controls on the projector remote to center the image on the |
Lens Shift | | screen. Lens shift is generally expressed as a percentage of the screen height or width, as |
| | shown in Figure 3-3and Figure 3-4. |
Base plate
to lens center =
approx. 5-6" (depending
on the amount of lens shift)
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 3-3. Vertical Lens Shift (Example Only)
Vertical Lens Shift (Standard Q-750i): The Q-750i provides up to 60% of vertical lens shift up or down. For example, with a 100 x 56 inch (1.78:1) screen, you can shift the image up to 33.60 inches (0.85 meters) above or below the screen center.
Vertical Lens Shift (Q-750i/CineWide or Q-750i/CineWide with AutoScope): The Q-750i provides up to 25% of upward vertical lens shift and up to 60% of downward vertical lens shift. For example, with a 100 x 56 inch (1.78:1) screen, you can shift the image up to 14.00 inches (0.36 meters) above or 33.60 inches (0.85 meters) below the screen center.
Horizontal Lens Shift: The Q-750i provides up to 12.5% of horizontal lens shift left or right. For example, with a 100 x 56 inch (1.78:1) screen, you can shift the image up to 12.50 inches (0.32 meters) left or right of the screen center.
16 | Q-750i Series Installation/Operation Manual |
