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Removing and replacing the focus and zoom rings
TDP590 includes zoom rings and focus rings, which allow independent image focus and image size adjustments. The procedures to remove and replace the different rings are listed separately. TDP590 The TDP590 projector include a zoom ring (340-0576-30), a focus ring (328-0094-40) and a lens cap (3400573-01). To remove the focus ring
1 2
Pull the lens cap off the front of the focus ring. Rotate the zoom ring clockwise until it stops. Doing this extends the focus ring and makes it easier to remove.
3
With your fingers, pull the rubber focus ring off the front of the lens barrel.
Assembly Notes
! To install the focus ring, do the following:
a
Rotate the zoom ring clockwise until it stops. Doing this extends the focus ring and makes it easier to remove.
b c
Slide the focus ring over the end of the lens barrel. Work the outside edge of the focus ring with your fingers so that it mates with the end of the lens barrel evenly.
The focus ring should fit evenly around the end of the lens barrel.
