Cleaning, Maintenance, E-121 – NEC LT240 User Manual
Page 121: Cleaning the cabinet and the lens, Cn a c el
E-121
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8. After you install a new lamp, from the menu select [Projector Options]
→
[Setup]
→
[Page 4]
→
[Clear Lamp Hour Meter] to reset the lamp usage
hours.
If the projector will not be turned on after using 1600 hours (up to 2100
hours : Eco mode) of service, press and hold the [Help] button on the
remote control for ten seconds or longer to reset the lamp time clock to
zero.
Cleaning
Cleaning the Cabinet and the Lens
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1. Turn off the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use a
mild detergent. Never use strong detergents or solvents such as alcohol or
thinner.
3. Use a blower or lens paper to clean the lens, and be careful not to scratch
or mar the lens.
MAINTENANCE