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Chapter 1 Preparation — Precautions for use
ENGLISH - 19
rFocus adjustment
The projection lens is thermally affected by the light from the light source, making the focus unstable in the period just after
switching on the power. Before adjusting the lens focus, wait at least 30 minutes with the image projected.
rDo not install the projector at elevations of 2 700 m (8 858') or higher above sea level.
Doing so may shorten the life of the components and result in malfunctions.
rDo not use the projector tilted to the right or left.
Using the projector at a vertical angle that exceeds 15° may reduce product life or result in malfunction.
rCautions when setting up the projector
f When installing and using the projector with a method other than the oor standing installation using the adjustable feet, x
the projector using the four screw holes for ceiling mount (as shown in the gure).
(Screw diameter: M6, tapping depth inside the set: 12 mm (15/32"), torque: 4 ± 0.5 N·m)
Prevent a gap forming between the setting surface and the screw holes for ceiling mount on the projector bottom, for
example, by inserting spacers (metallic) between them.
Screw holes for ceiling mount (M6)
Adjustable feet
The positions of screw holes for ceiling mount and adjustable feet
f Use the adjustable feet only for the oor standing installation and for adjusting the angle. Using them for other purposes may
damage the projector.
f Do not stack projectors on top of each other.
f Do not use the projector supporting it by the top.
f Do not use the projector tilted at an angle that exceeds ±15° from the horizontal plane.
f Do not block the ventilation ports (intake and exhaust) of the projector.