Laser engraving machine instructions 1, The Operation Panel Description Power switch: used to start or stop the laser engraving machine Powert indication: Used to indicate the current of engraving machine Power adjustment: Use this to indicate the current number Light switch: used to start or stop the laser engraving machine’s inside light Laser switch: used to control the laser light, Testing switch 1, when useing the machine, first should start cooling water pump, then starting the laser engraving machine, and makesure the cooling water circulation. 2, Starting the engraving system type setting software.