NEC DLP Cinema NC3541L Installation Manual page 55

Setting Up Your Projector
7
Remove the lens cover.
For removal of the lens cover, Refer to "1-5-1. Removing and Mount-
ing the Lens Cover" (page 35).
8
Hold the lens unit with its guide notch faced upward and
insert the lens until it cannot go further.
Insert the lens holder into the fixing hole of the lens ring and mount
it with rotating it clockwise.
Pay attention not to catch the lens control cable here.
9
Tighten the two fixing screws for the lens holder.
10
Connect the control cable.
80
Fixing hole of the lens ring
Control cable