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The welding process
GB
57
DTX 1800/1801 TIG
8. Pre-gas regulation: Please press the button "FUNCTION" until the LED for the gas pre-
flow lights up and the display shows the letters "PrG". With the potentiometer, the time for the
gas pre-flow from 0.1 to 2 seconds can be set.
9. Post-gas regulation: Please press the button "FUNCTION" until the LED for the gas post-
flow lights up and the display shows the message "PoG". With the potentiometer, the time for
the gas post-flow from 0.1 to 10 seconds can be set.
Additional features of the DTX 1801 TIG
1. Activation and regulation of frequency of the pulsation during the TIG-welding 4-stroke: By
pressing the button "PULSE" the LED “pulse” lights up and the display shows the letters
"
P
.
Fr
.". With the potentiometer, the value of the pulse frequency from 0.4 to 300 Hz can be
set.
2. Regulation of the pulse-duty-cycle: By re-pressing the button "PULSE", the display flashes
and shows the letters "
P
du
". With the potentiometer, the welding value from 10% to 90% can
be set.
3. Regulation of the “pulse base current”: Press the button "Set" until the LED for the base
current lights up and the display shows the letters "
I
lo
". With the potentiometer, the base
current value from 10% to 90% can be set.
To turn off the pulse function, press the button "PULSE" for about 8 seconds!
TIG-4-stroke - welding with HF-Start
Start welding:
1. Press the button "HF" until the LED for "HF" lights up
2. Please touch the workpiece with the end of the electrode
3. Press the button of the torch: After the set time for the gas pre-flow the arc ignites and the
welding process begins.
Stop welding:
1. Release the trigger of the torch. The welding current will drop gradually, the arc is
extinguished and the adjusted gas post-flow begins.