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Mine has pulse. I use this function a bit. I sometimes dial it back to about 0.5 Hz and use the pulse function like pulsing the foot pedal. You can sync feeding the filler rod in with the high amp cycle of the pulse and make quite a neat looking weld.
Using high freq makes for a more controllable arc. Jodie on welding tips and tricks has a few vids on it.
Cheers
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Mike Murphy
Melbourne Australia
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