OPERATION
28
0
：
Press and hold the torch switch, Electromagnetic gas valve is turned on. The shielding gas stars to flow;
0
～
t1
：
Pre-gas time (0.1~10S);
t1
～
t2
：
Arc is ignited at t1 and then output the setting value of start current;
t2
：
Torch switch is released and the output current slopes up from the start current.
t2
～
t3
：
The output current rises to the setting value (Iw or Ib), the upslope time can be adjusted;
t3
～
t4
：
Welding process. During this period, the torch switch is released.
Note: Select the pulsed output, the base current and welding current will be outputted alternately; otherwise,
output the setting value of welding current;
t4
：
Press the torch switch again, the welding current will drop in accordance with the selected down-slope
time.
t4
～
t5
：
The output current slopes down to the crater current. The downslope time can be adjusted;
t5
～
t6
：
The crater current time;
t6
：
Release the Torch switch and arc will stop with gas continuing to flow.
t6
～
t7
：
Post-gas time can be set by the post-gas time adjustment knob on the front panel
（
1
～
10S
）
;
t7
：
Electromagnetic valve is closed and stop argon stop flowing. Welding is finished.
