Eiki XGA Diamond Series LC-XD25 - Manual (Page 55)

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Setting
This function provides the following alternatives in the
cooling fans' operation after turning off the projector. (p.20)
L1 . . . . . . normal operation
L2 . . . . . . slower and lower-sound than the normal
operation (L1), but it takes longer to cool the
projector down.
✔ Note:
Setting “Fan control” to On1 or On2 affects L2
operation in “Fan.”
Fan
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 under
which you use the projector.
Off................ Normal speed. Set this function to “Off” when
using the projector in non-high altitude
environment.
On 1............. Faster than Off mode. Select this mode
when using the projector in high altitudes
(about 1,200 meters or more above the sea
level) where the fans have less cooling
effect.
On 2............. Faster than On 1 mode. Select this mode
when using the projector in higher altitudes
than above where the fans have lesser
cooling effect.
✔ Note:
• The fan noise becomes louder in On 1 and On2.
• Failure to set the running speed of cooling fans
properly may affect the projector life.
Fan control
Fan control