Tweco 186 AC/DC Thermal Arc - Manual (Page 6)

Lift TIG and HF TIG Programming Modes
(Corresponding diagram on following page)
1. Turn ON the ON/OFF switch located on the rear panel of the
power source.
2. Press the PROCESS button to select LIFT TIG or HF TIG mode.
3. Press the MODE switch to toggle between AC and DC welding
output.
4. The Programming LED's are always active. Press FORWARD or
BACK to cycle through available programming functions.
5. Use the Multi Function Control to adjust the parameter
selected. Slide
6