Utilizing FAQ function
The Information menu contains possible solutions to problems encountered by users regarding image quality, installation, special feature operation and service information.
1.To enter the Information menu, press 
Left/ 
on the
remote control.
2. Press 
Up or 
Down to select
3. Press MODE/Enter.
4. Press 
Up or 
Down to select the a problem and press MODE/Enter for possible solutions.
5. Press MENU/Exit to exit the OSD.
You can also press MENU/Exit to open the OSD menu and enter the Information >
Operating in a high altitude environment
We recommend you use the High Altitude Mode when your environment is between 1500 m
Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and temperature is between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under such condition.
To activate the High Altitude Mode, go to SYSTEM SETUP: Advanced > High Altitude
Mode, select On by pressing 
Left/ 
Right on the projector or remote control. A confirmation message displays. Highlight Yes and press MODE/Enter.
WARNING
We recommend you use the High Altitude Mode by selecting it whenever your environment is higher than 1500 m.
Do you want to turn the High Altitude Mode on?
Yes No
Operation under "High Altitude Mode" may cause a higher decibel operating noise level because of increased fan speed necessary to improve overall system cooling and performance.
If you use this projector under other extreme conditions excluding the above, it may display auto
However, this is not to state that this projector can operate under any and all harsh or extreme conditions.