The button on how to start the 7-character new flying cigarette machine is on the button panel on the front of the 7-character new flying cigarette machine. How to use it. According to the instructions of the new range hood, insert the plug of the range hood into the three-core power socket, and press the "strong" or "weak" key to start the range hood in the boot state, so that you can find the 7-word new range hood boot key and start using it.