Does anyone here have experience cutting at 20 amps? We're running a TD A120, so under 30 amps there aren't even marks for amperage so we're just guessing amperage. At the moment, I am just setting me ATHC to manual and setting my torch height at .19, but being as how I am generally looking for detail at this low of an amperage I would like to get a voltage and speed setting to use as a baseline. I must admit I am not the best at figuring out voltages and speeds from scrap, I usually use what the manual says and play with things until I find something I like then add it to my cheat sheet, but I have some stuff coming up that I don't really have time to play with for a couple days.

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