Infocus IN3926 Specifications download pdf (Page 9)

Positioning the projector

To determine where to position the projector, consider the size and shape of your

screen, the location of your power outlets, and the distance between the projector

and the rest of your equipment. Here are some general guidelines:

• Position the projector on a flat surface at a right angle to the screen. IN3924

must be at least 45” (1.0m) from the projection screen, and IN3926 must be at

least 51” (1.3m) from the projection screen.

• If you are installing the projector on the ceiling, we strongly r

ecommend using

InFocus approved ceiling mounts for proper fitting, ventilation and

installation. Refer to the installation guide that comes with the InFocus Ceiling

Mount Kit (p/n PRJ-MNT-UNIV) for more information. The warranty does

not cover any damage caused by use of non-approved ceiling mount kits or by

installing in an improper location. To turn the image upside down, see “Ceiling

mount” on page 28. We recommend using an InFocus authorized ceiling

mount.

• Position the projector the desired distance from the screen. The distance from

the lens of the projector to the screen and the video format determine the size

of the projected image.

• The image offset for IN3924 is 115% +/-

5%. This means that if you have an

image 60 inches (1.5 meters) tall from a table-mounted projector, the bottom of

the image will be 9 inches (22.9 cm) above the centerline of the lens. The

image offset for IN3926 is 113% +/-5%. This means that if you have an image

60 inches (1.5 meters) tall from a table-mounted projector, the bottom of the

image will be 7.8 inches (19.8 cm) above the centerline of the lens.

60” image

(height)

bottom of image 9”

above center of lens

Projection angle

lens center

Table 1: IN3924 (XGA) Screen size

Diagonal Screen Size

(inches/m)

Size of the Projected

Image W

idth

(inches/m)

Distance to screen

nches/m)

50”/1.3m 40”/1.0m 19”/0.5m

60”/1.5m 48”/1.2m 23”/0.6m

70”/1.8m 56”/1.4m 27”/0.7m

80”/2.0m 64”/1.6m 31”/0.8m

100”/2.5m 80”/2.0m 38”/1.0m

Table 2: IN3926 (WXGA) Screen size

Diagonal Screen Size

(inches/m)

Size of the Projected

Image W

idth

(inches/m)

Distance to screen

nches/m)

60”/1.5m 51”/1.3m 19”/0.5m

70”/1.8m 59”/1.5m 22”/0.6m

90”/2.3m 76”/1.9m 29”/0.7m

100”/2.5m 85”/2.2m 32”/0.8m

120”/3.1m 102”/2.6m 38”/1.0m

248

162

109

Ceiling mount screws:

M4x8 (Max. L= 8mm)

Unit: mm

1 2 3 4 5 6 7 8 9 10 ... 51

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Infocus IN3926 Specifications Page 9

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