Using your Furick auto - darkening welding goggles is a breeze. First, adjust the strap to fit your head comfortably. Press the on - off button to turn on the goggles. You can select the appropriate mode (Grind, CUT, or Weld) according to your work. Adjust the shade level to suit the brightness of your welding environment. When you're done, turn off the goggles using the on - off button. Always store your goggles in a dry and clean place. Keep the removable shield clean by wiping it with a soft cloth. Remember, these goggles are certified for safety, but always follow general welding safety procedures.