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for Item No 558 only
TIG AC Welding (see section 5.6) To adjust these parameters see section 8.3. The square waveform
provides maximum penetration, greater execution speed, and maximum cleaning and is therefore
suitable for all thicknesses.
5�1�1 TIG DC APC (ACTIVE POWER CONTROL)
SelectandconrmAPCweldingprocess.
(see chapter 5)
SelectandconrmAPCcurrentadjustment.
Setandconrmamplitudeofvariationofthecurrent.Toreturnto
the main screen, press knob B (do not release immediately) (> 0.7
sec).