NEC NP-PE401H User's Manual - Page 72

Cleaning procedure for the lens

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Appendices Cleaning procedure for the lens If the lens of projection lens is dusty or blemished, please clean it 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: • A lways wipe the lens with a cleaning cloth. • P lease do not wipe the lens hard because that may cause serious damage on the surface of lens. • W iping might scratch the lens. Optical performance of the projector will thus be impacted if lens is scratched after wiping. Optical performance impact will be dependent on the scratch condition of them. • D o not use liquid cleaners or chemicals on the cloth because it may contaminate the cloth and cause serious damage on the surface of lens. 65 ... English

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Appendices
Cleaning procedure for the lens
If the lens of projection lens is dusty or blemished, please clean
it 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 surface of lens.
• Wiping might scratch the lens. Optical performance of the projector will
thus be impacted if lens is scratched after wiping. Optical performance
impact will be dependent on the scratch condition of them.
• Do not use liquid cleaners or chemicals on the cloth because it may con-
taminate the cloth and cause serious damage on the surface of lens.