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High duty cycle due to additional fan function. 328 | ELECTRODE WELDING SYSTEMS COMMON FEATURES .. "Smart intelligence": state-of-the-art processor control for easy operation and ideal welding results .. Automatic hot start for perfect ignition of electric arc .. Arc-force regulation for even welding results .. Anti-stick mechanism prevents electrodes from sticking .. Switchable lift arc function for x-ray safe TIG welding with an optional TIG torch .. Ergonomic and protected control elements ..