BenQ TL650 Service Manual page 118

3. The program displays a yellow circle in each of the four corners of the screen in turn. Touch the
stylus in each corner of the touch screen when the yellow circle appears. Hold until the circle
turns green.
Note: The stylus's point should be at panel's corner during the calibration (not at circle's center)
4. Enter the screen dimensions – the dimensions must be in millimeters (mm). Refer to the screen
specification sheet for the values needed
*Example screen shot of prompt screen for entering screen dimensions
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