18
by using your thumb to adjust knob on torch handle.
This does take some getting used to but is handy when you are welding in a position where
a foot pedal is not use-able.
You can use a remote amperage torch in 2T or 4T mode, most common is 4T as you press
trigger to start weld and then release you can then use thumb/finger for torch switch to
adjust amperage knob, once weld has finished press the torch switch again to finish weld.
23.
AC Waveform / DC selector
The POWER-TIG170EXT features AC and DC operation, it also has 4 x AC waveforms
allowing specialised welding to be carried out.
Advanced Squarewave is the default mode and offers excellent arc control.
Soft Square and Sinewave are similar to older transformer style welders.
Soft Square gives a smooth buttery feel and maintains good control of the arc
Sinewave gives a softer arc with less control.
Triangular wave is designed for rapid wet in and high travel speed and a rapid freeze of
weld puddle.
24.
LED Data indicator
This
dual LED
display shows the data always accompanied by a corresponding LED light
which indicates what value is being represented.
LED1
Amps
Seconds
Percent %
Hertz
Warning
-
This also includes a self diagnosing function which shows an error code if case
of machine
problem..
LED2
Voltage - Shows acutal welding voltage after ARC has been started.