I always thought the 'arc force' control squared off the edges of the
sine wave to give a better 'punch through' voltage. Suppose I'll have to
put a 'scope on the output of the stick welder and have a look!

As for what it does for you, increasing the 'arc force' sure helps on
rusty or dirty material. Increases the spatter tho.

Ignoramus30285 wrote:

I do not understand what DIG means... or why it is needed... thanks...


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