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5
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. The
projector must be at least 4.9 feet (1.5m) from the projection screen.
• Position the projector within 10 feet (3m) of your power source and
within 6 feet (1.8m) of your video device (unless you purchase
extension cables). To ensure adequate cable access, do not place the
projector within 6 inches (.15m) of a wall or other object.
• Position the projector the desired distance from the screen. The
distance from the lens of the projector to the screen, the zoom setting,
and the video format determine the size of the projected image.
• The image exits the projector at a given angle. IN1100 image offset is
115%; IN1102 image offset is 112.4%. This means that if you have an
image 10’ high, the bottom of the image will be 1.5' (IN1100) and 1.24'
(IN1102) above the center of the lens.
(IN1100)
(IN1102)
10 ft high
image
10 ft high
image
bottom of image
1.24 ft above center
of lens
Projection angle
lens center
bottom of image
1.5 ft above center
of lens
Projection angle
lens center
Table 1: (IN1100)
Range of distance to the screen for a given screen size
Diagonal Screen
Size (inches/m)
Distance to screen
Maximum
distance
(feet/m)
Minimum
Distance
(feet/m)
60/1.5 8.6/2.6 7.8/2.4
80/2.0 11.5/3.5 10.4/3.2
90/2.3 12.9/3.9 11.7/3.6
150/3.8 21.5/6.6 19.5/5.9
Table 2: (IN1102)
Range of distance to the screen for a given screen size
Diagonal Screen
Size (inches/m)
Distance to screen
Maximum
distance
(feet/m)
Minimum
Distance
(feet/m)
60/1.5 7.2/2.2 6.6/2.0
80/2.0 9.6/2.9 8.8/2.7
90/2.3 10.8/3.3 9.9/3.0
150/3.8 18.0/5.5 16.4/5.0