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How to adjust the UST lens
1.
Start up the projector and projector the focus pattern on the screen. See user manual of the projector for
detailed instructions.
2.
Rotate the "adjusting ring for various throw distance" (Ring-A) to the position of the throw distance you
need.
If your throw distance is 1.716 m, the mark should be located between 1.5 m and 2 m. (as shown in
Image
5–25).
If your throw distance is 3.4 m, the mark should be located between 3 m and 4 m. (as shown in
26).
Note: Ring-A is not motorized. Manual adjustment is needed.
3.
Rotate "the focusing gear" (Ring-B) to get good focus of CENTER.
Note: Ring-B is motorized. Use the remote control or local keypad of the projector to adjust.
Image 5–25
A
Adjustment Ring-A : various throw distance
B
Adjustment Ring-B : focusing gear
T
Throw distance (projection distance)
Image 5–26
A
Adjustment Ring-A : various throw distance
B
Adjustment Ring-B : focusing gear
T
Throw distance (projection distance)
4.
If NOT getting good focus of both CENTER and CORNERs, rotate the Ring-A in the direction of getting
better focus of CORNERs.
5.
Rotate the Ring-B again to get good focus of CENTER.
6.
Repeat from step 4 until both CENTER and CORNERs have good focus.
A
B
A
B
R5911438 /09
Lenses
Image 5–
UDM
73
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