NEC NP-M271X User Manual page 125

4. Remove dust from the filter unit and the filter cover.
Clean both outside and inside.
5. Attach the four filters to the filter unit and the filter cover.
Filter unit: Attach two coarse-texture sponge filters (large and
small) to the filter unit.
Filter cover: Attach two fine-texture sponge filters (large and
small) to the filter cover.
The fine-texture sponge filter has slits on it. Align these slits
with the protrusions of the filter cover.
6. Attach the filter cover back to the filter unit
Align the filter unit with the filter cover and push the six protru-
sions into place.
• Make sure all six mounting points are aligned properly.
7. Put the filter unit back to the projector cabinet.
Insert two catches of the tip of the filter unit into the groove of
the cabinet, and push the button to close the filter unit.
• Push the filter unit until it clicks into place.
8. Clear the filter usage hours.
Plug the power cord into the wall outlet, and then turn on the
projector.
From the menu, select [RESET] → [CLEAR FILTER HOURS].
(→ page 99)
The interval time to clean the filters is set to [OFF] at time of
shipment. When using the projector as it is, you do not clear
the filter usage
Groove
115
7. Maintenance
Coarse-texture
sponge
Fine-texture sponge
W IR
E L
E S
S
S
S E
E L
IR
W
Button