Yeswelder CT2050 Operator's Manual page 17

DESCRIPTION
Keys Operation Description
Welding Process Selection
Press when there is no load; can choose a different welding mode based on actual demands; this button is invalid in the middle
of welding; the mode switch will roll when the welder goes back to no-load status. Please see the description below:
AC TIG
Press and hold the Value Knob for 3s to turn Pulse on/off.
Welding Torch Operation Selection
When under TIG mode or digital controlled torch mode, press
mands. This button is invalid in the middle of welding; the mode switch will roll when the welder is back to no-load status. Please
see the description below:
Torch Operation Selection 2T/4T
Mode No.
Standard 2T mode:
1. Push the torch trigger: arc is ignited and current rises gradually.
2. Release the torch trigger: current drops gradually, and arc
1
stops.
If push the torch trigger again before arc stops, the current will
gradually rise again, and then turn to 1.
Standard 4T mode:
1. Push the torch trigger: arc is ignited and current reaches the
initial value.
2
2. Release it: current rises gradually
3. Push it again: current drops to pilot arc current value.
4. Release it: arc stops.
Note: With Foot Pedal attached, TIG Torch Trigger will not turn on welding arc. Amperage is controlled exclusively with the
Foot Pedal.
DC TIG
Fig 10 Welding Modes Selection
Fig 11 Torch Operation Selection
2T
Fig 12 Torch Operation Selection
Operation Modes
Operation
to the set amperage/voltage
Stick CUT-Outer Air
to select different torch control modes based on actual welding de-
4T Remote Control
Torch Trigger Operation and Current Curve
.
14
CUT-Built-in
Compressor Air