Replace The Eyecup - Brother AIRScouter WD-350B Installation And Operation Manual

Replace the Eyecup

Depending on your task or environment, you may want to replace the
small eyecup attached to the head display with the large eyecup that is
included in the box. The large eyecup will isolate your eye and the
screen from your working environment.
1.
Carefully remove the small eyecup from the head display as shown.
2.
Correctly align the large eyecup, and then gently press the eyecup to
attach it to the head display.
Important

Be careful to avoid touching the lens while changing the eyecup. You may
dirty or damage the lens if you touch it.

Be careful to align and attach the eyecup correctly. The eyecup or head
display may be damaged if it is incorrectly aligned or forced into place.