NEC PA1004UL-B User Manual page 54

Applicable lens: NP11FL (Manual focus)
With the NP11FL lens, adjust the focus and picture distortion.
Preparations:
Press and hold the SHIFT/HOME POSITION button on the cabinet longer than 2 seconds for shifting
back the lens to the home position.
1. Turn the distortion ring to the left
edge.
2. Turn the focus lever clockwise and
counterclockwise to adjust the focus
at the center of the screen.
3. Use the distortion ring to correct the
screen's distortion.
(This also brings the screen peripheral
area into focus.)
4. Use the focus lever to adjust the
screen's overall focus.
* If the focus at the center of the
screen is off, turn the distortion ring
a little counterclockwise. The focus
at the center of the screen can now
be adjusted with the focus lever.
2. Projecting an Image (Basic Operation)
Distortion ring
Focus lever
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