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OPERATORS’ MANUAL · TIG SERIES
11
Arc force current control (12): Applicable to TIG250/TIG400 only.
You may adjust the arc force upon your requirement in MMA welding. This arc force control knob is used
to control welding performance. Especially, it can be used together with the welding current control
knob under low current to adjust the arc ignition current conveniently. It is not controlled by the
welding current control knob. Thus, big arc force can be obtained in low current welding.
Pulsed frequency control (13): See the waveform characteristic below.
Base current control (14): Applicable to TIG180P/TIG200P only.
It is not applicable in MMA welding. Switch the pulse selecting switch to “
” or “ ”, and
adjust the base current according to the thickness of workpiece.
Peak current control (15): Applicable to TIG180P/TIG200P only.
It is not applicable in MMA welding. Switch the pulse selecting switch to “
” or “ ”, and
adjust the peak current according to the thickness of workpiece.
Waveform characteristic
ReleasePress
Release
Press
Base current
Peak current
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