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. IN2128HDa must be at least 37.5” (1.0m) 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
•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 |
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IN2128HDa | 37.5"/1.0m | 5"/12.7cm | |
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Table 1: IN2128HDa (1080p) Screen size
Throw Ratio = 1.5 to 1.8
Diagonal Screen | Size of the | Distance to screen |
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Projected Image |
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Size (inches/m) | Width | Minimum distance | Maximum distance |
| (inches/m) | (inches/m) | (inches/m) |
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40”/1.0m | 35”/0.9m | 52.3”/1.3m | 62.7”/1.6m |
60”/1.5m | 52”/1.3m | 78.4”/2.0m | 94.1”/2.4m |
80”/2.0m | 70”/1.8m | 104.6”/2.7m | 125.5”/3.2m |
100”/2.5m | 87”/2.2m | 130.7”/3.3m | 156.9”/4.0m |
150”/3.8m | 131”/3.3m | 196.1”/5.0m | 235.4”/6.0m |
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60inches high image
bottom of image 5 inches above center of lens
Projection angle
lens center
7