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1. Standard Setting-Up Positions

LCD Projector

Standard setting-up positions

Upper edge of projected image

Projected image

Lower edge of projected image

Projected image

Projection distance for 4:3 aspect ratio screen

Projection size

Projection distance [L]

[diagonal]

Min [wide]

0.84 m

(33˝)

–

(–)

1.02 m

(40˝)

1.1 m

(3.7´)

1.27 m

(50˝)

1.4 m

(4.7´)

1.52 m

(60˝)

1.7 m

(5.6´)

1.78 m

(70˝)

2.0 m

(6.6´)

2.03 m

(80˝)

2.3 m

(7.6´)

2.29 m

(90˝)

2.6 m

(8.5´)

2.54 m

(100˝)

2.9 m

(9.5´)

3.05 m

(120˝)

3.5 m

(11.4´)

3.81 m

(150˝)

4.3 m

(14.3´)

5.08 m

(200˝)

5.8 m

(19.0´)

6.35 m

(250˝)

7.3 m

(23.8´)

7.62 m

(300˝)

8.7 m

(28.6´)

Calculation of the projection distance

For a screen size different from the above, use the equation below to calculate the projection distance.

Aspect ratio 4 : 3

minimum

maximum

Aspect ratio 16 : 9

minimum

maximum

Installable angle

Install the projector at an angle within the range shown below.

• Vertical direction

The projector

may be installed

at a vertical

angle of ±30°.

As of July 2010

ø49

(1-15/16)

ø42

(1-11/16)

(3-15/16)

Height from the edge of screen

to center of lens [H]

Max [telephoto]

1.1 m

(3.7´)

0.08 m

1.4 m

(4.5´)

0.10 m

1.7 m

(5.6´)

0.13 m

2.1 m

(6.8´)

0.15 m

2.4 m

(7.9´)

0.18 m

2.8 m

(9.1´)

0.20 m

3.1 m

(10.2´)

0.23 m

3.5 m

(11.4´)

0.25 m

4.2 m

(13.7´)

0.30 m

5.2 m

(17.1´)

0.38 m

7.0 m

(22.9´)

0.51 m

8.7 m

(28.7´)

0.64 m

10.5 m

(34.4´)

0.76 m

L (m) = (diagonal screen size in inches) x 0.0292 – 0.025

L (m) = (diagonal screen size in inches) x 0.0351 – 0.033

L (m) = (diagonal screen size in inches) x 0.0318 – 0.011

L (m) = (diagonal screen size in inches) x 0.0383 – 0.035

100

(2-3/4)

(0.28´)

(0.33´)

(0.42´)

(0.50´)

(0.58´)

(0.67´)

(0.75´)

(0.83´)

(1.00´)

(1.25´)

(1.67´)

(2.08´)

(2.50´)

NOTE: Distances calculated with the above equations will include a slight error.

• Horizontal direction

The projector may be installed at a horizontal angle of ±10°.

PT-LB2

unit : mm (inch)

L: Distance to screen

H: Height from the edge of screen to

center of lens

NOTE:

Illustrations show the projector installed

using optional ceiling bracket.

This illustration is not drawn to scale.

* This distance is especially recommend-

ed for ceiling-mounted use and other

permanent installations.

NOTE:

Values shown are approximate.

The value for L (distance to screen)

varies slightly depending on the zoom

lens characteristics.

When the shortest projection distance is

used, a small amount of distortion may

occur in the image due to the zoom lens

characteristics.

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