The tablet supports connecting to a computer and an Android device, and the two modes are used in different ways.
The factory default is the computer model. If you encounter the situation of "drawing a vertical line horizontally" or "drawing a circle to become an ellipse" during use, it means that it is currently in another mode of use. You can use the following two methods Switch between usage modes.
Specific operation method:
❄Press and hold any two buttons on the tablet (screen) at the same time for more than 5 seconds and then release, you will see the indicator light on the tablet flashing several times quickly, indicating that the switch is successful
① The Coast12Pro indicator does not flash;
② The switching method of Intangbo M/S is slightly different. You need to press the upper and lower buttons of the scroll wheel to switch, and you cannot select the buttons arbitrarily;
③ If you need to change the mode to use, please follow this method again to switch between the use modes.
If the problem still cannot be solved after long-pressing the button, please upgrade the firmware according to the product model and steps, and repeat the above steps after the upgrade is successful.