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There are occasionally touch screen clicks inaccurately when using a single screen display POS terminal. Here Sunany will tell you how to calibrate the touch screen in this condition.
Step1: Click Control Panel
Step2: Click Hardware and Sound
Step3: Click Tablet PC Settings
Step4: Click Calibrate, touch screen calibration interface appears
Step5: Tap the crosshair each time that it appears on the screen
Step6: Calibration completed, Click Yes to save the data
Remark:
Please retry the above steps if the touch screen still clicks inaccurately.
Please click the crosshairs accurately.