I was looking at the manual for this unit and I was a bit confused when I got the the balance control.

The manual states:

9. AC Balance
Provides selection to adjust the balance of the AC wave form in AC TIG mode.Allows adjustment of the arc to be balanced, penetrating or oxide cleaning duringAC TIG welding. (-5 to +5)

What exactly does this mean? 50% +/- 5% seems quite inadequate so I must be reading it wrongly.

Does someone have one or, at least, can someone read better than I can?

Thanks
Jack


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