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User Manual
250
i
Ω
MEGA
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Short:
Sets a quarter second delay before initiating the weld.
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Medium:
Sets a half a second delay before initiating the weld.
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Long:
Sets a one second delay before initiating the weld.
Tack Energy Slider
The Tack Energy Slider adjusts the amount of weld energy that is being used. In order to precisely adjust the
energy, click the keypad icon to enter keypad mode.
Footer Buttons
The buttons along the bottom of the Parameter Area are displayed at all times.
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Weld ON/OFF:
Pressing the icon toggles between Weld OFF and Weld ON. If the icon shows Weld ON,
the weld sequence can be initiated. When the icon shows Weld OFF, energy is not released.
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Undo:
The Undo icon allows you to go back through the five (5) previous settings changed.
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Redo:
The Redo icon allows you to cycle forward after pressing undo.
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Reset:
The Reset icon resets all the variables and parameters to the factory default settings. The Reset
feature does not affect any saved settings, only the on-screen settings on the Home Screen.
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Touch Detect:
In Touch Detect, the welder will initiate the weld process any time that a grounded work-
piece contacts the electrode (or with the opposite grounded workpiece when in Tack mode). When this
button is selected, the Pedal Button will be grayed out.
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Foot Pedal:
When Foot Pedal is selected, the welder will only initiate when the foot pedal is pressed.
Move the grounded workpiece into contact with the electrode, hold still, and use your foot to press the
foot pedal to initiate the weld. This can be useful for the ability to weld complex parts without worrying
about accidentally triggering a weld before getting into position. When this button is selected, the
Touch Button will be grayed out.
MINI-SCREEN AREA
The Mini-Screen Area allows you to customize the Home Screen by choosing from a list of modes that will be
displayed for quick access to various weld control parameters, system settings, and information without leaving
the Home Screen. See Figure 25.1 as an example of a Mini-Screen. Touch the drop-down arrow to view a list of
viewable options. The current option is highlighted in blue. There are different options based on whether you
are in Weld Head, Arc, or Tack screen.
Weld Parameters
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Weld Head Options:
This Mini-Screen is only available in Weld Head mode. Adjust the Lift-off Delay, Tip
Descend Delay, and Tip Retract Distance.
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Lift-off Delay (µs)
controls the time between tip retraction and weld. Lower values produce
better arc ignition consistency, but contaminate the electrode tip easily, resulting in shorter tip
life. Higher values increase the tip life, at a cost of lower arc ignition consistency.
