User's Manual

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— 11 —
USING THE POINTRACER
Operating Range
The PointRacer uses scanning technology to detect the distance and projected image area. The
scanning angle and distance are illustrated in the following figure.
+45°
-45°
6m
Screen
PointRacer Pen
PointRacer Pen
For best results, point the interactive pen directly at the screen without line of sight interference.
Adjusting the Display
On-screen interference is caused when the image is blocked and shadows are created in the project-
ed image. The PointRacer function requires direct scanning of the image. To avoid interference,
adjust the projected image as suggested in the following.