Planar PD8150, PD8130 operation manual Vertical and Horizontal, Position, Vertical Lens Shift

Installation

Vertical and Horizontal	➤	Proper placement of the projector relative to the screen will yield a rectangular,
Position		perfectly-centered image that completely fills the screen.
		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 3-3.

Ceiling Installation

	Ceiling
Height	Projection Distance
x

Lens Center

Lens Center

Screen

Floor Installation

HeightScreen

Lens Center

x

Lens Center

Projection Distance

Floor

	Figure 3-3. Projector Placement
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 3-4and Figure 3-5.

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