Fronius AccuPocket 150/400 TIG Operating Instructions Manual page 43

I
I-S
GPr t t
s up
1 2 3
4-step mode with intermediate lowering I-2
Intermediate lowering means that the welder uses the torch trigger during the main current
phase to lower the welding current to the specified reduced current I-2.
Place the tungsten electrode onto the workpiece and then pull the torch trigger back
1
and hold => shielding gas flows
Raise the tungsten electrode => start of welding with starting current I-S
2
Release torch trigger => welding with main current I-1
3
Push forward and hold the torch trigger => activation of intermediate lowering with re-
4
duced current I-2
Release torch trigger => welding with main current I-1
5
Pull back and hold the torch trigger => lowering to final current I-E
6
Release torch trigger => end of welding
7
I-1
I-2
4 5
I-1
I-E
t
t t GPo
down e
6 7
43