Sony BRAVIA VPL-VW70 Operating Instructions Manual page 64

Others
Symptom
The fan is noisy.
The lens shift cannot be
adjusted.
64
GB
Cause and Remedy
c Check the setting of "Cooling Setting" in the Setup
(1 page 52)
c Make sure that the room temperature is not too high.
c Check the installation conditions. (1 page 11)
The number of fan rotation 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.
c The lens shift cannot be adjusted over the range of movement.
Adjust the lens shift within the range of movement. (1
pages 13, 24).
menu.