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Using fi lter
This projector has a fi lter cover (fi lter) for keeping dust out. When using the projector in a dusty place, attach this fi lter
cover.
Installation
Before installing this fi lter to the projector, be sure
to unplug the projector from the outlet.
1. Fit three hooks of the fi lter cover into the projector.
2. Push the fi lter cover in the direction of the arrow.
• If you use excess force to push the fi lter cover,
the hooks may be damaged.
3. Tighten the attachment screw (a) fi rmly.
• Don't use any other fi lters than that designed for this projector.
• If you are disturbed by the light emitted from the side of the projector, attach
the fi lter to block the light. Further, if you are disturbed by the light emitted
from the hole of theft-proof lock, put the supplied cap on the hole.
Cleaning
Warning:
Never use fl ammable air duster or other materials when cleaning the air-fi lter. Flammable substances may ignite
causing fi re or breakdown when the lamp is illuminated.
Before cleaning, be sure to turn off the main power switch and unplug the projector from the outlet.
• Clean the fi lter frequently (at least once a month). When dust accumulates on the fi lter at the air inlet, the
temperature inside the projector may rise abnormally high, causing damage to the internal parts and reducing
the lifetime of the panel.
• In case of any abnormality including an abnormal rise of the inside temperature, the projector may automatically
turn off and go into the standby mode where the light source lamp is turned off in order to protect its internal
parts.
Cleaning the fi lter
1. Remove the screw (a) from the fi lter cover.
• Be careful not to lose the screw.
2. Move the fi lter cover in the direction of the arrow.
3. Release three hooks and remove the fi lter cover from
the projector.
• If you use excess force to pull the fi lter cover, the
latches may be damaged.
4. Remove the holder that is retaining the fi lter while
pushing the tab of the holder in the direction of the
arrow.
5. Remove the fi lter from the fi lter cover.
6. Clean dirt and dust adhering to the fi lter using a
vacuum.
• If stubborn stains persist, wash the fi lter with diluted
detergent, rinse with water, and dry well.
7. Attach the fi lter to the fi lter cover.
• Make sure that the fi lter is positioned correctly.
8. Fit and push the holder as far as it will go and press it in
the direction of the arrow to install.
9. Fit three hooks of the fi lter cover into the projector.
10. Push the fi lter cover in the direction of the arrow.
• If you use excess force to push the fi lter cover, the
hooks may be damaged.
11. Tighten the attachment screw (a) of the fi lter cover
fi rmly.
Filter cover
(a)
Holder
Holder
(a)
(a)
Cap
Filter cover
Filter
Filter cover
EN-31
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