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17
Notes on Installation and Usage
Very dusty, extremely smoky
locations
Avoid installing the unit in a very dusty or
extremely smoky environment. Otherwise,
the air filter will become obstructed, and this
may cause a malfunction of the unit or
damage it. Dust preventing the air passing
through the filter may cause a rise in the
internal temperature of the unit. Clean the
filter periodically.
Do not use the projector under the following
conditions.
Standing the unit upright on one
side
Avoid using the unit standing upright on its
side. It may cause malfunction.
Tilting the unit to the right or left
Avoid tilting the unit to an angle of 15°, and
avoid installing the unit in any way other
than placing it on a level surface or
suspending from the ceiling. Such an
installation may cause color shading or
shorten the lamp life excessively.
Blocking the ventilation holes
Avoid using a thick-piled carpet or anything
that covers the ventilation holes (exhaust/
intake); otherwise, internal heat may build
up.
Placing a blocking object just in
front of the lens
Do not place any object just in front of the
lens that may block the light during
projection. Heat from the light may damage
the object. Use the PIC MUTING key on the
Remote Commander to cut off the picture.
When using the projector at an altitude of
1,500 m or higher, turn on “High
Altitude Mode” in the INSTALL SETTING
menu. Failing to set this mode when using
the projector at high altitudes could have
adverse effects, such as reducing
the reliability of certain components.
Note on carrying the projector (VPL-
CX86/VPL-CX76 only)
The unit is manufactured using high-
precision technology. When transporting the
unit stored in the carrying case, do not drop
the unit or subject it to shock, as this may
cause damage. When storing the unit in the
carrying case, disconnect the AC power cord
and all other connecting cables or cards, and
store the supplied accessories in a pocket of
the carrying case.
Note on the screen
When using a screen with an uneven surface,
a striped pattern may rarely appear on the
screen depending on the distance between
the screen and the projector or the zooming
magnification settings used. This is not a
malfunction of the projector.
Unsuitable Conditions
Usage at High Altitude