BenQ PointWrite PT20 Schnellstartanleitung Seite 10

Alignment view
Ensure the touch module is in the middle of the screen and the triangle on the
Alignment View is aligned with the touch module.
If the screen image is not in the center, the calibration will fail. Please make sure
the PointWrite module is attached to the projector properly.
• Right side conflict • Upper side conflict • Left side conflict