Sanyo PLC-WL2503 - Manual (Page 58)

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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.
Factory default
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.
Setting
This function is used to set a frequency for the filter
replacing.
When the projector reached a specified time between
replacing, a Filter warning icon appears on the screen,
notifying the replacing is necessary. After replacing 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.
For details about resetting the timer, refer to “Resetting the
Filter Counter” on page 61.
Filter counter
Filter counter
Press the SELECT button to select Timer,
and then use the Point
▲▼ buttons to set the
timer. Select from ( Off/ 2000H/ 3000H/ 4000H)
depending on the use environment.
Filter warning icon appears on the screen at a set time (Off/2000H/
3000H/4000H).
Fig .1 Filter warning icon
 Note:
This icon also appears at turning on.

Note:
The Filter warning icon (Fig.1) will not appear when the
Display function is set to Off (p.46), or Freeze (p.25), or
No show (p.26).