10
§4 OPERATION
§4.1 Layout for the front panel and the rear panel (take GT-1600 for
an example)
DOWN SLOPE(TIG)
ARC FORCE(MMA)
HF
LIFT
4T
MMA
2T
GT-1600
DC TIG
WELDER
220V
110V
20
80
60
40
125
100
140
A
CURRENT
160
5
8
10
6
4
2
0
4
3
2
1
5
6
8
7
10
9
13
12
11
14
Fig 4.1 schematic drawing of the front panel and rear panel
1
Power pilot lamp
putting through the power source switch, the power pilot lamp is on;
switching off the switch, the lamp is off.
2
Alarm pilot lamp
When the welder is over voltage, less voltage, over current or over heated,
the alarm pilot lamp will be on.
3
LIFT/HF
Select
LIFT
or
HF
operation mode.
4
4T/2T/MMA
Select 4T
、
2T or MMA operation mode.
5
Adjustment of welding current
6
Adjustment of down-slope time (for TIG)
adjustment of arc force (for MMA).
7
Shield gas connector
is connected to the gas input pipe of torch.
8
Connector
The welder’s negative polarity output.
9
Aero socket
is connected to torch switch control wire.
（
3 leads
）
