Because the surface of floor type touch one machine is through the touch point of the ultrasonic signal transmission and attenuation of positioning, and more serious oil pollution, water stains can absorb ultrasonic, cause the inaccurate positioning of touch screen and even does not work, so they need on the touch screen is used for daily cleaning. Method is to use a soft towel and water glass cleaner, clean the touch screen surface. Pay particular attention to the acoustic reflection fringes of the clean touch screen. Be careful not to damage the transducer and signal lines on the touch screen. After cleaning the computer to restart and re calibrate. Touch the screen surface with water droplets or other soft things stick on the surface, the touch screen is not a mistake to cause the surface acoustic wave screen is not allowed, will be cleared. If the response time of the surface acoustic wave screen is very long, it is likely that the touch screen is sticky with moving water droplets, touch screen response to the operation of water droplets, with a soft cloth wipe clean that is. Pay attention to the screen body stripes do not scratch or wear out, otherwise the touch screen will not work properly.
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