Smarter tools CUT-40 Manual Del Usuario página 14

The correct filter shade is selected according to the welding process, wire
diameter, and operating current. The table below gives the correct shade
numbers for different situations.
•
ALWAYS use suggested shade numbers instead of minimum shades.
•
Provide additional task lighting that suits welders' needs.
•
ALWAYS use the same shade as the welder's if you are directly observing
the welding arc.
•
Do not use gas welding goggles for arc welding.
•
Do not substitute modified glasses, sunglasses, smoked plastic or other
materials for proper welding lenses.
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