4. After aligning, reach in near the flange and push the plastic lever down until it locks in
the adapter flange.
5. Replace the cover by reconnecting the white cable and repositioning the cover over
the top of the lower housing.
6. Grasp the projector as before, rotate and lay it on the top.
7. Replace all the screws at the arrowed positions.
8. Reinstall the lamp cover.
9. Insert the lens into the adapter and rotate until the desired focus is reached.
10. If you are using the 490MCZ275 lens, the adapter and the lens are one piece.
Simply follow the instructions for inserting the adapter only.
11. Focus the 490MCZ275 by turning the outer ring. Rotate the inner ring to zoom the
lens
12. If you are using the 490MCL1625 or the 490MCL2125, focus by rotating gently CW
or CCW. Move the projector location to change the zoom.
13. If you are using the 490MCZ500, to focus, gently twist the front of the lens. To zoom,
loosen thumbscrew and twist the knurled zoom ring and re-tighten the thumbscrew.
CAUTION: When focusing, the 489MCZ500 and 489MCL1625 be sure not to twist lens
completely out of the adapter!