Manual no. WDT90100 Page 18
CoolTig - 220
SECTION5OPERATION
5-1. Power source panel layout and description
1. Power indication light
2. VRD indication light
3. Protection indication light
4. AC TIG with HF
5. DC TIG with HF
6. DC STICK
7. Welding process selection button
8. Parameters adjust knob
9. AC frequency (60-160Hz)
10. AC balance (60%-90%)
11. Pulse on/off and frequency
(0.5-20Hz)
12. Current pre-set
13. Welding current meter and
parameter value display (TIG/STICK)
(digital)
Figure 5.1
1
2
3
4
6
13 12
5
11 10 9
8
7