4-3. Front Panel Controls

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800 687-A

1Display

2Parameter Select Button

Press button to move > on display.

3 Display Control Knob

Turn knob to change parameter pointed to by

>.

Turning knob one click causes Trim (arc length) to increase/decrease by one or Volt to increase/decrease by 0.1.

When IPM is selected, turning knob one click causes wire feed speed (IPM) to increase/ decrease by one inch per minute.

When Prg # is selected, turning knob one click causes program number (Prg #) to in- crease/decrease by one.

The program number cannot be changed

while welding, with exception of Dual Sched- ule Mode (see Section 6-1).

Pulse is a default setting. To change type of process (Pulse, Adaptive Pulse, or MIG) use side panel controls.

4 Jog Button

Push to momentarily feed welding wire with- out energizing welding circuit or shielding gas valve.

Jog speed is varied using the Display Con- trol knob while Jog button is pressed. Default setting is 200 IPM.

5 Purge Button

Push to momentarily energize gas valve without energizing the welding circuit.

Holding the Jog and Purge buttons at the same time will display pulse parameters on the side panel display.

6 Trigger Hold Button And Indicator Light

Trigger Hold can be set on a per program ba- sis. Indicator light comes on for programs where this feature is active.

To weld without holding gun trigger through- out weld cycle, press and release button to turn on indicator light.

To start weld cycle and feed welding wire, press and release gun trigger within the first three seconds after an arc has been struck. If gun trigger is not released within the first three seconds after arc initiation, trigger hold stops, but is still active for next weld cycle. To end weld cycle, press and release gun trig- ger.

OM-1589 Page 21

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Miller Electric OM-1589 manual Front Panel Controls