Sony BRAVIA VPL-VW70 Mode D'emploi page 12

Improper use
Do not do any of the following while using
the projector.
Blocking the ventilation holes (intake
or exhaust)
Ventilation holes
(exhaust)
Tip
For details on the location of the ventilation
holes (intake or exhaust), see "Location of
Controls" on page 7.
Tilting front/rear and left/right
15° or more
15° or more
12
GB
Ventilation holes
(intake)
15° or more
15° or more
Avoid using the projector tilted at an angle
of more than 15 degrees.
Do not install the projector anywhere other
than on a level surface or on the ceiling.
Installing the projector in such a location
may result in uneven color uniformity or
reduce the reliability of the effects of the
lamp.
When installing the unit at high
altitudes
When using the projector at an altitude of
1,500 m or higher, set "Cooling Setting" in the
Setup menu to "High" (1 page 52).
Failing to set this mode when using the
projector at high altitudes could have adverse
effects, such as reducing the reliability of
certain components.
15° or more