BenQ TL550 Large Display User Manual - Page 30

Calibrating the touch screen, Important instructions for using the touch screen, Calibration tools

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30 Using the touch screen Calibrating the touch screen Ensure that you have installed the USB cable on the display to a computer. You can calibrate the touch screen to use it more efficiently. Refer to Calibration tools on the enclosed CD to perform the operation. Important instructions for using the touch screen • Do not bend the retro-reflective bars. The touch screen cannot function normally if the bars are bent. • Keep the touch screen out of direct sunlight or spotlights. • Avoid displaying still images to prevent image retention. • Regularly clean the retro-reflective bars with a clean, soft cloth. A dusty environment may adversely affect the performance of your touch screen. Clean the retro-reflective bars as illustrated below. Do not clean the touch sensors on the top of the screen.

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Using the touch screen
30
Calibrating the touch screen
You can calibrate the touch screen to use it more efficiently.
Refer to
Calibration tools
on the enclosed CD to perform the operation.
Important instructions for using the touch screen
• Do not bend the retro-reflective bars. The touch screen cannot function normally if the
bars are bent.
• Keep the touch screen out of direct sunlight or spotlights.
• Avoid displaying still images to prevent image retention.
• Regularly clean the retro-reflective bars with a clean, soft cloth. A dusty environment
may adversely affect the performance of your touch screen. Clean the retro-reflective
bars as illustrated below. Do not clean the touch sensors on the top of the screen.
Ensure that you have installed the USB cable on the display to a computer.