NEC LT280 LT280/LT38 UM - Page 112

Maintenance, (1) Cleaning or Replacing the Filter - clean filter

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SELECT 7. Maintenance This section describes the simple maintenance procedures you should follow to clean the filter and replace the lamp. ᕡ Cleaning or Replacing the Filter The air-filter sponge keeps dust and dirt from getting inside the projector and should be cleaned after every 100 hours of operation (more often in dusty conditions). If the filter is dirty or clogged, your projector may overheat. CAUTION • Turn off the projector, turn off the main power switch 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 clean the air-filter: Vacuum the filter-through the filter cover. To reset the filter usage time, from the menu, select [Reset] → [Clear Filter Hours]. (→ page 101 for resetting the filter usage time) To replace the filter (sponge): 1. Remove the filter cover by pushing down on the catch of the cover until you feel it detach. Catch 2. Gently peel off the filter (sponge) and replace it with the new one. 102 POWSETRATLAUSMPPC CARD ON/STAND BY SOURCE AUTO ADJUST 3D REFORM SELECT

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102
7. Maintenance
SELECT
This section describes the simple maintenance procedures you should follow to clean the filter and replace the lamp.
±
Cleaning or Replacing the Filter
The air-filter sponge keeps dust and dirt from getting inside the projector and should be cleaned after every 100 hours
of operation (more often in dusty conditions). If the filter is dirty or clogged, your projector may overheat.
CAUTION
•
Turn off the projector, turn off the main power switch 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 clean the air-filter:
Vacuum the filter-through the filter cover.
To reset the filter usage time, from the menu, select [Reset]
→
[Clear Filter Hours].
(
→
page
101
for resetting the filter usage time)
To replace the filter (sponge):
1.
Remove the filter cover by pushing down on the catch of the cover until you feel it detach.
Catch
2.
Gently peel off the filter (sponge) and replace it with the new one.