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A

B

C

Adjustment procedure

Locking screw
(Black)

Adjustment screw
(Silver)

Screen

Locking screw
(Black)

Adjustment screw
(Silver)

Screen

Screen

Adjustment screw (Silver)

Locking screw (Black)

T/L

B/R

B/L

T/R

L

R

Loosen the focus locking screws (Black) of the adjustment point.

Turn the focus adjustment screws (Silver) to adjust the focus balance.

When adjustment is complete, tighten the locking screws (Black).

Three adjustment screws can work on the following focus balances respectively.

Point A

Adjust the focus balances of left and right side of the screen.

Point B

Adjust the focus balances of top left and bottom right of the screen.

Point C

Adjust the focus balances of top right and bottom left of the screen.

1.

2.

3.

NOTE;  Please use either a hexagon screwdriver or hexagon wrench (3 mm) for adjustment 

screws and locking screws.

Turning the screw counter-clockwise

Move the optimal focus of right side of the screen backward.

Turning the screw clockwise

Move the optimal focus of right side of the screen forward. 

Turning the screw counter-clockwise

Move the optimal focus of bottom right of the screen backward.

Turning the screw clockwise

Move the optimal focus of bottom right of the screen forward. 

Turning the screw counter-clockwise

Move the optimal focus of top right of the screen backward.

Turning the screw clockwise

Move the optimal focus of top right of the screen forward. 

Summary of Contents for LNS-W50

Page 1: ...andling during transportation Before removing or installing the lens be sure to turn off the projector wait until the cooling fans stop and turn off the main power switch Do not touch the lens surface when removing or installing the lens Keep fingerprints dust or oil off the lens surface Do not scratch the lens surface Work on a level surface with a soft cloth under it to avoid scratching If you r...

Page 2: ...old the LENS SHIFT button for more than 5 seconds to shift the lens to the center position 2 Turn off the projector wait until the cooling fans stop and then turn off the Main On Off switch or unplug the AC power cord 3 Push the Lens release button and turn the lens counter clockwise and then take it out NOTE Be careful not to drop the lens About the lens antitheft screw To prevent removal of the ...

Page 3: ...s to the center position Adjust the focus to make the center area sharpest by using the focus adjustment of the projector When the peripheral focus is out of focus in some localized areas follow the procedure on the next page and adjust the focus balance on the screen If the projection lens is tilted with respect to the plane of the screen uneven focus will result For example when the front side o...

Page 4: ...top left and bottom right of the screen Point C Adjust the focus balances of top right and bottom left of the screen 1 2 3 NOTE Please use either a hexagon screwdriver or hexagon wrench 3 mm for adjustment screws and locking screws Turning the screw counter clockwise Move the optimal focus of right side of the screen backward Turning the screw clockwise Move the optimal focus of right side of the ...

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