BenQ RP552H User Manual - Page 39

Important instructions for using the touch screen

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Basic operations 35 Important instructions for using the touch screen Please clean the frame when there is sign of malfunction on the touch screen. • Before you clean the screen, make sure the display is turned off, and unplug the power cord. • Remove dust or dirt from the screen and the infrared plastic filter periodically. It is suggested using a small amount of alcohol to clean the infrared plastic filter. • To avoid damage to the screen, never use any type of abrasive materials to wipe the screen. • Use a neutral detergent to clean the touch screen. Avoid using detergents with erosive substance, such as banana oil or ammonia. • Moisten a clean soft, lint-free cloth with a neutral detergent and then clean the touch screen. • Do not spray a detergent on the screen surface or the body directly. It may result in a short circuit to the touch screen. • Keep the touch screen out of direct sunlight or spotlights.

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Basic operations
35
Important instructions for using the touch screen
Please clean the frame when there is sign of malfunction on the touch screen.
• Before you clean the screen, make sure the display is turned off, and unplug the power
cord.
• Remove dust or dirt from the screen and the infrared plastic filter periodically. It is
suggested using a small amount of alcohol to clean the infrared plastic filter.
• To avoid damage to the screen, never use any type of abrasive materials to wipe the
screen.
• Use a neutral detergent to clean the touch screen. Avoid using detergents with erosive
substance, such as banana oil or ammonia.
• Moisten a clean soft, lint-free cloth with a neutral detergent and then clean the touch
screen.
• Do not spray a detergent on the screen surface or the body directly. It may result in a
short circuit to the touch screen.
• Keep the touch screen out of direct sunlight or spotlights.