technical manual operator instructions
technical manual operator instructions
technical manual operator instructions
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2.11 INSTALLATION OF OPTICAL INSERTS.<br />
a. Lay mask on flat surface with front facing down.<br />
b. Place optical inserts (1) on eyelens openings (2) with flanges against eyelens.<br />
c. Stretch rubber lip (3) around one side of the insert frame.<br />
d. Repeat step c for the other side of insert.<br />
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