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e Micro Welder Experts
• Make sure your focus is at the tip of the electrode.
• Use slow, controlled movements.
• It is helpful to have your hands resting on the table and to only use your ngers to move the workpiece
up to the electrode. See Figure 10.1.
• Place the workpiece surface perpendicular to the point of the electrode. As discussed in later chap-
ters, the angle of the electrode tip relative to the workpiece surface is very important and will take
practice.
• Now practice making soft contact with the workpiece to the electrode.
• Once you feel comfortable, attach the alligator clip to the workpiece and enable welds (by touching the
Play button) to begin welding.
Note: Be mindful of your energy setting: Too much power may damage the workpiece.
Microscope LCD Filter Shutter System
The Microscope LCD Filter Shutter System provides an unobstructed working view before welding and com-
pletely protects your eyes during the welding process. The PA250i’s internal computer veries the Microscope
LCD Filter Shutter System has been closed before allowing the weld to take place. Should the shutter not close,
the microscope lens is equipped with >UV 16 and >IR 16 for maximum eye protection.
Warning: Avoid direct view of the welding area without protective lenses.
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