How to ensure that the device clamps firmly?
Please clip the device in the upper right corner and make sure the device is stable, if or not clear Please refer to the video
Please check the shape of the computer before changing the appropriate pad. If it is still unstable, please refer to the video
How to calibrate is successful?
Please hold down the dots with your finger. When a dot is finished it will jump to the next one. If you still don't understand, please refer to the video
How to scroll in the touch screen?
Please refer to the video
How to write in the touch screen?
Please refer to the video
Please refer to the video
