Panasonic PLC-XU75A Owner's Manual page 51

Fan
This function provides the following alternatives in the
cooling fans' operation after turning off the projector.
(p.19)
L1 . . . . . . normal operation
L2 . . . . . . slower and lower-sound than the normal
operation (L1), but it takes longer to cool
the projector down.
Lamp counter
This function is used to reset the lamp replacement
counter. When replacing the projection lamp, reset the
lamp replacement counter by using this function. See
page 56 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.
Quit
Exit the Setting Menu.
Factory default
Select Factory default
and this box appears.
Select [Yes], and the next
box appears.
Setting
Select [Yes] to
activate it.
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