12
When installed using ceiling brackets for low ceilings
■
If the picture is too far to the left or right of the screen
Hex nut retaining
ceiling mount bolt
Adjustable
span
Correction angle ±1.2°
A
Loosen the hex bolts at the ceiling of the after-
plate at four places and then move the projector
to the left or right to adjust so that the center of
the screen is aligned along a vertical line.
Attention
z
If centers of the screen and projector are not in
alignment, adjust by using the shift lens.
B
Once the picture position has been set, be sure
to retighten the nuts securely at four places.
■
If the picture is too far to the top or bottom of the screen
Correction
angle 5°
above
horizontal
Correction
angle 5°
below
horizontal
Loosen the captive washer hex head
bolts, captive washer (each two on
left side and right side)
Adjustable
span
A
Loosen the captive washer hex head bolts (each
two on left side and right side) that attach the
angle adjusting bracket to the pole base, then tilt
the projector until the picture is centered on the
screen.
B
Once the picture position has been set, be sure
to retighten the captive washer hex head bolt,
captive washer at four places securely.
Attention
z
Be sure that the hexagonal bolts with washers
securing the attachment plate and the angle
adjustment bracket are not loosened more than
necessary. Overly loosening the bolts may result in
the main projector body falling from its installed
position.
■
If the picture is tilted to the left or right
Loosen the hex head bolt, captive washer
(each three on front side and rear side)
Adjustable span
Correction
angle
±2.5°
A
Loosen the captive washer hex head bolts (each
three on front side and rear side) that attach the
angle adjusting bracket to the projector mount
bracket and then rotate the projector around its
optical axis until the picture edges are aligned
with the screen frame.
B
Once the picture position has been set, be sure
to retighten the captive washer hex head bolts
securely.
Attention
z
Do not loosen too far the captive washer hex head
bolts that attach the angle adjusting bracket to the
projector mount bracket as the projector may fall off.
Attention
z
After checking the position adjustments, check that the screws have been tightened to the torques specified on page 3.
Note
z
If there is a vertical keystone effect even after adjusting the installation angle, the positional relationship
between the screen and the projector is out of alignment. Check that the screen and projector are aligned
opposite each other.
Alternatively, perform the keystone correction at the projector.
Adjusting the installation angle (Continued)
