Sony BRAVIA XR A95K 55" 4K HDR Smart QD-OLED TV - Manual (Page 170)

Help Guide
Data Projector
VPL-GTZ380
Loud fan noise
When [High Altitude Mode] is set to [Level 2] or [Level 1], the fan noise becomes slightly louder since the fan rotation
speed increases.
Make sure that the room temperature is not too high.
Check the installation requirements of the projector. Fan rotation speed increases to maintain the product reliability of
the projector’s components in a room where the temperature is higher than normal temperature. The fan noise
becomes louder in the room. The approximate normal temperature for the unit is 25°C (77°F).
Related Topic
Menu Operation: High Altitude Mode
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