find the function key on the mig-200 argon arc welding machine front connection.special functions: support non gas shielded welding, simple argon arc welding (argon required), manual welding, intelligent dual voltage.syi
220 V Multifunktion 3 in 1 MiG-200-Schweißmaschinen Elektrische Schweißmaschine Tragbare Argonschweißreparatur-Elektrowerkzeuge suitable for pipeline installation, mold repair, petrochemical industry, building decoration, auto repair, bicycle, handicraft and general manufacturing when you need to use the mma function, first connect the welding handle to the negative pole and the alligator clip to the positive pole +, then turn on the power button..