High Altitude Mode
A mode for extreme environments like high altitude and high tempera- ture. We recommend you use the High Altitude Mode when your environ-
ment is higher than 3000 feet, or is hotter than 40℃.
Operation under "High Altitude Mode" may cause a higher decibel oper- ating noise level because of increased fan speed necessary to improve over- all system cooling and performance.
If you use this projector under other extreme environments excluding the above, it may display auto
Operation 31