Ask Proxima E1655U Owner's Manual page 48

Cooling fast
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.
High land
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 (1)........ The fan runs faster than normal speed. When operated in places with high altitude
(2000m), the cooling fan will produce weaker effects. So, you should select this item.
ON (2)........ The fan runs faster than "ON (1)". When operated in places with high altitude
(above 3000m), the cooling fan will produce weaker effects. So, you should select this item.
Filter counter
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.
Factory default
This function returns all setting values except for the User logo, PIN code lock, Logo PIN code lock,
Lamp counter and Filter counter to the factory default settings.
47
Setting