Vidikron SERIES 1080p Ceiling Installation, Floor Installation, 2. Projector Placement, Position

	Installation
Proper placement of the projector relative to the screen will yield a rectangular,	Vertical and Horizontal
perfectly-centered image that completely fills the screen.	Position
Ideally, the projector should be positioned perpendicular to the screen and in such a way
that the lens center and screen center are aligned with each other, as shown in Figure 3-2.

Ceiling Installation

Ceiling

Height

Projection Distance

Lens Center

x

	Screen	Lens Center
Floor Installation
Height	Screen	Lens Center
Lens Center
x
	Projection Distance
		Floor
Figure 3-2. Projector Placement
If it is not possible to align the projector and screen as shown in Figure 3-2,you can use the			Vertical Lens Shift
projector’s lens shift (LENS) controls 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.

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)

Vidikron Vision 70 Series Owner’s Operating Manual 17