by GLENN LILLY
(abingdon va)
miller syncrowave 250 ,what do I set the HV knob to that is under the cover at the bottom of the welder,; on aluminum,I got all the rest to this tig thing Thanks ..TINMAN
----------------------------------------------------
I recommend setting it to 50%
enough high freq is enough and more is not better so if you are not having trouble starting an arc or keeping a smooth arc on ac, then you have enough