InFocus IN122a, IN124a, IN126a manual Positioning the projector

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. IN122a and IN124a must be at least 45.3” (1.2m) from the projection screen, and IN126a must be at least 55.4” (1.4m) from the projection screen.

•If you are installing the projector on the ceiling, we strongly recommend 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 27. 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.

Model	Minimum Distance to Screen	Offset	Offset for 60in. Image
IN122a	45.3"/1.2m	15%+-5%	9"/22.9cm
IN124a	45.3"/1.2m	15%+-5%	9"/22.9cm
IN126a	55.4"/1.4m	13%+-5%	7.8"/19.8cm

60 inches
high image	Projection angle

Table 1: IN122a (SVGA)/IN124a (XGA) Screen size

Throw Ratio = 1.9 to 2.2

	Size of the	Distance to screen
Diagonal Screen	Projected Image
Size (inches/m)	Width	Minimum distance	Maximum distance
	(inches/m)	(inches/m)	(inches/m)
40”/1.0m	32”/0.8m	62”/1.6m	69”/1.7m
60”/1.5m	48”/1.2m	94”/2.4m	103”/2.6m
80”/2.0m	64”/1.6m	125”/3.2m	137”/3.5m
100”/2.5m	80”/2.0m	156”/4.0m	172”/4.4m
150”/3.8m	120”/3.0m	234”/5.9m	257”/6.5m

Table 2: IN126a (WXGA) Screen size

Throw Ratio = 1.5 to 1.8

Diagonal Screen	Size of the	Distance to screen
	Projected Image	Minimum distance	Maximum distance
Size (inches/m)	Width
	(inches/m)	(inches/m)	(inches/m)
45”/1.1m	38”/1.0m	55.4”/1.4m	69.3”/1.8m
60”/1.5m	51”/1.3m	74.5”/1.9m	92.9”/2.4m
80”/2.0m	68”/1.7m	100.0”/2.5m	124.4”/3.2m
100”/2.5m	85”/2.2m	125.5”/3.2m	155.8”/4.0m
150”/3.8m	128”/3.2m	189.2”/4.8m	234.6”/6.0m

bottom of image 9

inches above center lens center of lens

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