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Complete Parts List is available at www.MillerWelds.com
6-8.
Using Optional MDX-250 EZ-Select
™
Gun In Program Mode
2
1
Ref. 800797-A
1 Trigger Switch
2 Program LEDS
The optional MDX-250 EZ-Select gun gives the operator the ability to change weld programs at the gun. When the MDX-250 is connected, "EZ Select" is displayed in the last tab. Push the soft key below the EZ Select tab to enable.
When this feature is enabled, the 4 LEDs on the MDX-250 gun handle indicate which program is active. Tap the gun trigger to select the program. The number of lit LEDs on the gun indicates the selected program and allows the operator to know which program is being used without going back to or seeing the machine.
Tap the trigger once. LED 1 on the gun illuminates. Program 1 is selected.
Tap the trigger twice. LEDs 1 and 2 on the gun illuminate. Program 2 is selected.
Tap the trigger three times. LEDs 1, 2, and 3 on the gun illuminate. Program 3 is selected.
Tap the trigger 4 times. LEDs 1, 2, 3, and 4 on the gun illuminate. Program 4 is selected
When the EZ-Select feature is disabled on the welder, LEDs 1 and 4 on the gun are illuminated.
OM-279299 Page 39
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Complete Parts List is available at www.MillerWelds.com
6-9.
Pulsed MIG Auto-Set
™
Mode
1 2
7
6
297061-D
3
4
5
1 Auto-Set Button
2 Pulse Button
Press Auto-Set and Pulse buttons.
3 Wire and Gas Buttons
Use soft keys to select wire and gas for
Pulsed MIG.
4 Wire Diameter
Use soft key to select wire diameter.
5 Material Thickness
Use soft keys to move cursor to left or right to select material thickness.
6 Left Knob
Use left knob to fine tune arc length. Arc length defaults to 50.
7 Right Knob
Use right knob to fine tune wire feed speed.
Arc Length
Arc length can be adjusted from 0-99. All
Pulse MIG programs are set with a value of
50. Adjusting the Arc Length will vary the length of the welding arc cone.
(0 Setting)
Low Setting
(99 Setting)
High Setting
If a gas is used other than what is listed on the Pulse MIG welding program chart, the
Arc Length can be adjusted to help customize your arc to the gas being used.
OM-279299 Page 40
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