Sanyo PLC-XC50 Owner's Manual page 55

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.
Warning log
This function records anomalous operations while the
projector is in operation and use it when diagnosing faults.
Up to 10 warning logs are displayed with the latest warning
message at the top of the list, followed by previous warning
messages in chronological order.

Note:
When the Factory default function is executed, all the
warning log records will be deleted.
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 62 for operation.

Note:
Do not reset the Lamp replacement counter without
implementation of lamp replacement. Be sure to
reset the Lamp replacement counter only after
replacing the lamp.
Lamp replacement icon
This icon appears on the screen when the
end of lamp life is reached.
Note:
This icon also appears at turning on and
selecting input source.
Setting
55