Miller MigMatic 220, Owner'S Manual, Page: 30 / 56

OM-246 691 Page 26
5-7. Trigger Mode Selection (DX Models Only)
.
Always select a trigger mode.
1 2T Trigger Mode
When trigger is pressed welding starts.
When trigger is released, welding stops.
2 4T Trigger Mode
When trigger is pressed, welding starts.
When trigger is released, welding contin-
ues. When trigger is pressed and released
a second time, welding stops.
3 Trigger Mode Selection Button
Press button to select desired trigger mode
and lite corresponding LED.
.
2T and 4T trigger methods work in both
manual and synergic modes.
4 Spool Gun Mode (See Section 5-8)
1
2
3
4
5-8. Spool Gun Mode (DX Models Only)
1 Spool Gun Mode Indicator LED
Connect spool gun to 7-pin spool gun re-
ceptacle (see Section 5-3).
With spool gun connected and power
source in the manual mode, the manual
mode indicator LED is lit (see Section 5-6),
and wire feed speed is controlled with the
potentiometer on the spool gun.
While in the synergic mode, the synergic
mode indicator LED is lit. Use only alumin-
um welding wire in the synergic mode.
.
When spool gun is connected, 2T and
4T trigger modes are disabled.
.
For 2T and 4T trigger operation, see
Section 5-7.
1