EWM drive 4X HP Operating Instructions Manual page 77

Latched mode
Selection
•
Select latched operating mode
Step 1
•
Press and hold torch trigger
•
Shielding gas is expelled (gas pre-flows)
The arc is ignited using liftarc.
•
Welding current flows with pre-selected setting.
Step 2
•
Release torch trigger (no effect)
Step 3
•
Press torch trigger (no effect)
Step 4
•
Release torch trigger
•
Arc is extinguished.
•
Gas post-flow time elapses.
099-005392-EW501
01.02.2016
Figure 5-49
.
Design and function
TIG welding
77