Acer GD711 User Manual - Page 9

Cleaning the lens

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ix Cleaning the lens • Before cleaning the lens, be sure to turn off the projector and unplug the power cord to allow the projector to cool down for at least 30 minutes. • Use a compressed air tank to remove the dust. • Use a special cloth for cleaning lens and gently wipe the lens. Do not touch the lens with your fingers. • Do not use alkaline/acid detergents or volatile solvents such as alcohol for cleaning lens. If the lens is damaged due to the cleaning process, it is not covered by the warranty.

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ix
Cleaning the lens
•
Before cleaning the lens, be sure to turn off the projector and unplug the power cord
to allow the projector to cool down for at least 30 minutes.
•
Use a compressed air tank to remove the dust.
•
Use a special cloth for cleaning lens and gently wipe the lens. Do not touch the lens
with your fingers.
•
Do not use alkaline/acid detergents or volatile solvents such as alcohol for cleaning
lens. If the lens is damaged due to the cleaning process, it is not covered by the
warranty.