Fronius TTB 80 G Manual De Instrucciones página 39

a) If high frequency ignition (HF ignition) is activated at the power source, the
ignition process is activated
b) When contact ignition is activated on the power source, the welding voltage
is applied to the tungsten electrode. The welding process starts when the
torch contacts the workpiece
Pushing the button forward during welding:
a) When welding in 4-step mode, intermediate lowering is activated by pushing
the button forward and holding it in place. This function is only available if
the lowering current I
(5) Up-Down interface (not shown)
The welding torch is supplied from the factory with an Up/Down interface. For
more information, see the following section
from page 40.
has been set on the power source
2
Functions of the Up/Down torch
39