Welbach ENTRIX 220M Manual De Instrucciones página 24

A- Left display (voltage value)
B- TIG/MMA welding mode selection button. Pressing and holding for 5 seconds saves the data.
C- Button for selecting the operation mode of the 2T/4T burner and the VRD function. The
2T/4T function can be adjusted for TIG mode. In MMA mode, you can turn on/off the VRD
option ("Voltage Reduction Device")
D- PULSE or NO PULSE welding mode selection button
E- Parameter adjustment knob
F- Parameter selection button to be adjusted. Description of TIG parameters in the next section.
During MMA welding, the current value can be adjusted. Press and hold for 5 seconds to
restore factory settings.
G- "AC Frequency/AC Balance" adjustment button
H- Button for selecting the welding mode with direct current (DC) or alternating current (AC)
I- Control lamps for A/Hz/S/% units and overcurrent ("OC") as well as remote control
("Remote") alarms
J- Right display (current value)
7. Adjustment of TIG welding parameters
1 - "PreFlow" (gas pre-flow) - gas flow time before starting welding.
2 - "Start Current" (only in 4T mode) - the value of the output current after lighting the arc.