Design and function
TIG welding
099-005215-EW501
29.06.2011
79
Latched mode
t
t
I
1.
2.
3.
4.
P
A
Figure 5-43
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.