Installation

Vertical Lens Shift You can use the lens shift (LENS) controls on the projector remote to center the image on the screen. Vertical lens shift is generally expressed as a percentage of the screen height, as shown in Figure 3-3.

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)

The Vision 65/75 provides up to 35% of vertical lens shift above and up to 50% of vertical lens shift below the screen center. For example, with a 100 x 56-inch (16:9) screen, you can shift the image up to 19.60 inches (0.50 meters) above or 28.00 inches (0.71 meters) below the screen center.

1. With no vertical lens shift, the lens center and screen center are aligned

Note

with each other.

 

 

2. Vertical lens shift figures are for ceiling mount configurations.

 

For floor installations (where the projector is upright), reverse the

 

up/down vertical lens shift percentages.

18

Vidikron Vision Model 65/Model 75 Installation/Operation Manual

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Vidikron Vision 65, Vision 75 operation manual Up/down vertical lens shift percentages