1.Before turn on the system, please click on the screen, don't move the finger, then turn on the Power Switch.
2.The prompts “Err0" is on the screen, “After releasing the key, we enter into the calibration procedure, Operating under the prompts of the screen". Then release your finger now.
3. Operating under the prompts: Press the cross dot in left-top“+". Press the cross dot in right-top“+”. Press the cross dot in right-bottom“+". Click on the point (left top). Click on the point (right bottom).
4.Calibration screen is finished, the system enter "input password" interface.