There are the following options in the cooling fans operation when the projector is turned off.
ON ... Faster and louder-sound than the normal operation, but it takes less time to cool the projector down.
OFF ... Normal operation.
Quick cool down
This projector provides Fan control function in the "Setting" menu. Choose the running speed of cooling fans
from the following options according to the ground elevation where you use the projector.
Off......Normal speed.Set this function to "Off" when using the projector in non-high altitude environment.
On......Faster than Off mode.Select this mode when using the projector in high altitudes where the fans are
weak in cooling effect.
High altitude
This function is used to set a frequency for the filter cleaning.
When the projector reached a specified time between cleanings, a Filter warning icon appears on the screen,
notifying the cleaning is necessary. After cleaning the filter, be sure to select RESET and set the timer. The Filter
warning icon will not turn off until the filter counter is reset.
Filter
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