86English ...AppendicesCleaning procedure for the lensIf the projection lens is dusty or blemished, please clean thelens 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 buyfrom camera shops.Wipe the lens gently using a cleaningcloth.CAUTION:• Always wipe the lens with a cleaning cloth.• Please do not wipe the lens hard because that may cause serious damage on thelens surface.• Wiping might scratch the lens. Optical performance of the projector will thus beimpacted if the lens is scratched after wiping. Optical performance impact willbe dependent on the scratch condition on it.• Do not use liquid cleaners or chemicals on the cloth because it may contaminatethe cloth and cause serious damage on the surface of lens.• Do not use a spray containing flammable gas to get rid of accumulated dust onthe lens. It may cause of fire.
