NEC PA723U, Руководство пользователя

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7. Maintenance
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Replacing the filters
Replace the filter every 10000 used hours.
Usable time of the filter is varies depends on the projector installation circumstances. If your projector is installed in
dusty circumstance, recommend to replace the filter earlier than 10000 hours.
• The replacement filter, NP06FT, is available at our dealers.
NOTE:
• DO NOT TOUCH THE FILTER UNIT immediately after the projector has been used. Turn the projector off and then disconnect the
power cord and leave the projector cooled down enough.
• Time for replacing the filter is vary depends on the operation circumstances.
To replace the filters:
NOTE:
• Before replacing the filters, wipe off dust and dirt from the projector cabinet.
• The projector is precision equipment. Keep out dust and dirt during filter replacement.
• Do not wash the filters with soap and water. Soap and water will damage the filter membrane.
• Put filters into place. Incorrect attachment of a filter may cause dust and dirt to get into the inside of the projector.
1. Press down two buttons and then pull the filter cover
towards you to open it.
Filter cover Button
2. Pick the center of the filter unit for pulling it out.
Filter unit
3. Remove dust from the filter cover.
Clean both outside and inside.
4. Attach a new filter into the filter unit.
Filter cover