To install an add-on lens
If the projector distance and image size are not compatible with the room
configuration, an add-on lens might provide a solution.
Use the following table to coordinate distance to the screen, width of the screen, and
Identifying lens range
1. Be sure the lens cover is removed.
2. Turn the focus ring fully counter-clockwise.
1.5–12 m (5–40 ft)
1.5–14 m (5–46 ft)
1.5–18 m (5–60 ft)