Sony VPL-VW285ES Operating Instructions Manual page 43

Others
Symptom
The fan is noisy.
The lens shift cannot be
adjusted.
Cause and Remedy
Check the setting of "High Altitude Mode" on the Setup
menu.
Make sure that the room temperature is not too high.
Check the installation requirements of the unit.
Fan speed increases to maintain the product reliability of the
projector's components in a room, where the temperature is
higher than normal. The fan noise becomes slightly louder.
The approximate normal temperature is 25°C (77°F).
The lens shift cannot be adjusted over the range of
movement. Adjust the lens shift within the range of
movement.
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