Ricoh PJ WU6181N 6200-Lumen WUXGA LCD Projector (No Lens) - Manual (Page 36)

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2. Projecting an Image (Basic Operation)
Adjusting the vertical position of a projected image (Lens shift)
CAUTION
Perform the adjustment from behind or from the side of the projector. Adjusting from the front could expose your eyes to
strong light which could injure them.
Downward
Upward
Lens shift dial (Horizontal)
Lens shift dial (Vertical)
Rightward Leftward
• Turn the lens shift dials clockwise or counterclockwise.
Vertical dial
Turn this clockwise or counterclockwise to adjust the projection position in the vertical direction.
Approximate turning range: About 6 turns counterclockwise, about 2 turns clockwise when the lens is at the center position.
Horizontal dial
Turn this clockwise or counterclockwise to adjust the projection position in the horizontal direction.
Approximate turning range: About 1 turn counterclockwise, about 1 turn clockwise when the lens is at the center position.
NOTE:
• The dials can be turned more than one full turn, but the projection position cannot be moved more than the range indicated on the following page.
• If the lens is shifted to the maximum in the diagonal direction, the edges of the screen will be dark or shaded.
• The vertical shift adjustment must be finished with an image shifted upward. If you finish the vertical shift adjustment with an image shifted down, the zoom/focus
adjustments or strong shaking may cause a projected image to slightly shift down.
• The lens shift function cannot be used when using the separately sold Replacement Lens Type1 lens.