NEC NP-U300X U300X : user manual - Page 67

Cleaning the Filter

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Appendices Cleaning the Filter The air-filter sponge keeps dust and dirt from getting inside the projector and should be frequently cleaned. If the filter is dirty or clogged, your projector may overheat. The message for filter cleaning will be displayed for one minute when the projector is turned on or off. CAUTION: • Turn off the projector, and unplug the projector before replacing the filter. • Only clean the outside of the filter cover with a vacuum cleaner. • Do not attempt to operate the projector without the filter cover. To cancel the message, press any button on the projector cabinet To clean the air-filter or the remote control. Use a small vacuum cleaner designed for computers and other office equipment. If the dirt is difficult to remove or the filter is broken, please contact your local dealer or service center to obtain a new filter. To replace the filter English ... 60 CAUTION: • Before replacing the filter, remove dust and dirt from the projector cabinet. • The projector contains high-precision parts. Keep out dust and dirt during filter replacement. • Do not wash the filter with water. Water will damage the filter membrane. • Reattach the filter cover correctly. Failure to do so may cause projector malfunc- tion. Replacing Procedure: 1. Disconnect the power cord. 2. Pull the filter out. 3. Replace the filter. 4. Install the new filter by reversing the previous steps. 5 After replacing the filter, turn on the power, and press the [MENU] button -> OPTIONS | Lamp Settings -> Clear Filter Usage Hours to reset the filter usage hours. Refer to page 52.

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60
English ...
Appendices
Cleaning the Filter
The air-filter sponge keeps dust and dirt from getting inside
the projector and should be frequently cleaned. If the filter is
dirty or clogged, your projector may overheat.
The message for filter
cleaning will be dis-
played for one minute
when the projector is
turned on or off.
To cancel the message,
press any button on
the projector cabinet
or the remote control.
CAUTION:
• Turn off the projector, and unplug the projector before replacing the filter.
• Only clean the outside of the filter cover with a vacuum cleaner.
• Do not attempt to operate the projector without the filter cover.
To replace the filter
CAUTION:
• Before replacing the filter, remove dust and dirt from the projector cabinet.
• The projector contains high-precision parts. Keep out dust and dirt during filter
replacement.
• Do not wash the filter with water. Water will damage the filter membrane.
• Reattach the filter cover correctly. Failure to do so may cause projector malfunc-
tion.
To clean the air-filter
Use a small vacuum cleaner
designed for computers and
other office equipment.
If the dirt is difficult to re-
move or the filter is broken,
please contact your local
dealer or service center to
obtain a new filter.
Replacing Procedure:
1. Disconnect the power cord.
2. Pull the filter out.
3. Replace the filter.
4. Install the new filter by reversing the
previous steps.
5 After replacing the filter, turn on the
power, and press the [MENU] button
-> OPTIONS | Lamp Settings -> Clear
Filter Usage Hours to reset the filter
usage hours. Refer to page 5
2
.