My machine is DC TIG only, so no aluminum. But it does have an adjustable arc pulse that helps me. It came with the finger control and a lot of welders like the foot pedal better. It's the out of position stuff that gives me fits.
My hood has a cheater lense too.
KCBS - CBJ
Big Green Eggs, Big Drum Smokers, Big Chiefs, Weber Smokey Joe "Custom Tall Boy"
Oil Patch Horizontal
Visit my Cookin' Site by clicking HERE
Barbecue is not rocket surgery