Sanyo PLC-SU51 Owner's Manual page 48

Setting
Fan
This function provides you the following alternatives in the cooling
fans operation after turning off the projector. (p21)
L1 . . . . . . . .normal operation
L2 . . . . . .slower operation than the normal (L1) , but takes
longer to cool down the projector. In this mode,
cooling time after turning off the projector will be
extended longer than in the normal mode.
Lamp counter reset
This function is used to reset the lamp replace counter. When
replacing the projection lamp, reset the lamp replace counter by
using this function. See page 53 for operation.
Factory default
This function returns all setting values except for the user logo,
PIN code lock, logo PIN code lock and the lamp counter to the
factory default settings.
48
Fan
Factory default
Select Factory default and this
box appears. Select [Yes] , and
the next box appears.
Select [Yes] to
activate it.