The first thing you should do is set the helmet on a clean, clear surface. Lift the front of the welding helmet up, swinging it over the headband and make sure Read & Understand All Instructions Before Using. The Auto-Darkening welding helmet comes assembled. But before it can be used, it. USER'S MANUAL Auto-Darkening Welding Helmet WARNING Read and Understand All Ensure the headgear is properly fitted and fastened to your head. 4. Adjust headgear and select the correct shade number for application before commencing welding operation. BEFORE WELDING. ·. Make Sure front cover lens is cleanAuto-Darkening welding helmets come ready for use. The only thing you need to do before your welding is to adjust the position of the headband and select the Welding helmet slips. Headgear is not properly adjusted (Readjust the headgear). A. WARNING. The user must stop using the auto-darkening welding helmet