5.
TEST. Before starting to weld press the TEST key ref.1 if the display goes dark means that
the mask is ready, if it does not go dark, make sure that it is not in the GRIND position or
that the batteries would be not discharged.
6.
LOW BATTERY. If the "LOW BATTERY" LED is lit red it means that the batteries have to be
replaced ref.2
7.
BATTERY REPLACEMENT. The mask is equipped with 2 CR2450 batteries. Remove the lids
ref.3 and replace them. It is advisable to carry out this operation with gloves so as not to
come in contact with the battery in order not to alter its efficiency