1, the button is mainly used to execute or remove an instruction.
2. The use and meaning of the color specified in the standard are as follows.
Use of button color
In the process of using a button for double use "start" and "stop" or "power" and "power", change the function of alternating pressing, neither can nor red, green, and the application of black and white or gray button; for point or application requirements, black micro-motion white, grey or green button, it is best to use the black button; the "reset" button, blue, black, white or gray button single function, at the same time, with the red button to stop power function.