NEC PH3501QL Installationsanleitung Seite 93

7. Hold the lens unit with its guide 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.
8. Tighten the two fixing screws for the lens holder.
9. Connect the control cable.
3. Setting Up Your Projector
67
Fixing hole of the lens ring
Control cable