NEC NP-PA622U User's Manual - Page 158

To replace the filters

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7. Maintenance To replace the filters: Four filters are packaged with the replacement lamp. Honeycomb filter (coarse mesh): Large and small sizes (attached to the outside of the filter unit) Accordion filter (fine mesh): Large and small sizes (attached to the inside of the filter unit) NOTE: • Replace all four filters at the same time. • 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. Before replacing the filters, replace the lamp. (→ page 143) 1. Press down on the buttons on the left and right and then pull the filter cover towards you to open it. The cover will open about 90 degrees before it stops. When mounting the projector to a ceiling The filter cover will open about 90 degrees before it comes to a stop at the stopper position. Remove your hands as the stopper will be detached if it is opened further. The filter cover will stop at a position of about 90 degrees. However, the filter cover may close if the projector vibrates. Filter cover 2. Remove the filter unit by pulling out the tab. Button Filter unit Tab 145

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145
7. Maintenance
To replace the filters:
Four filters are packaged with the replacement lamp.
Honeycomb filter (coarse mesh): Large and small sizes (attached to the outside of the filter unit)
Accordion filter (fine mesh): Large and small sizes (attached to the inside of the filter unit)
NOTE:
• Replace all four filters at the same time.
• 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.
Before replacing the filters, replace the lamp. (
→
page
14
3
)
1. Press down on the buttons on the left and right and then pull the filter cover towards you to open it.
The cover will open about 90 degrees before it stops.
When mounting the projector to a ceiling
The filter cover will open about 90 degrees before it comes to a stop at the stopper position. Remove your hands
as the stopper will be detached if it is opened further. The filter cover will stop at a position of about 90 degrees.
However, the filter cover may close if the projector vibrates.
Filter cover
Button
2. Remove the filter unit by pulling out the tab.
Filter unit
Tab