Cleaning Procedure For The Lens - NEC VE303 User Manual

Cleaning procedure for the lens

If the projection lens is dusty or blemished, please clean the
lens as following procedure:
1. Turn off the projector and cool projector down for a while.
2. Unplug the power cord from outlet.
3. Blow the dust by blower for cameras which you could buy
from camera shops.Wipe the lens gently using a cleaning
cloth.
CAUTION:
• Always wipe the lens with a cleaning cloth.
• Please do not wipe the lens hard because that may cause serious damage on the
lens surface.
• Wiping might scratch the lens. Optical performance of the projector will thus be
impacted if the lens is scratched after wiping. Optical performance impact will
be dependent on the scratch condition on it.
• Do not use liquid cleaners or chemicals on the cloth because it may contaminate
the cloth and cause serious damage on the surface of lens.
• Do not use a spray containing flammable gas to get rid of accumulated dust on
the lens. It may cause of fire.
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