NEC UM352W, Руководство пользователя

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8. Maintenance
❷
Cleaning the Projection Window
• Turn off the projector before cleaning.
• Do not scratch or mar the projection window as it is made of glass.
• Use a blower or lens paper to clean the projection window, and be careful not to scratch or mar the glass surface.
WARNING
• Do not use a spray containing flammable gas to get rid of accumulated dust and dirt on the projection window.
It may cause of fire.
❸
Cleaning the Cabinet
Turn off the projector, and unplug the projector before cleaning.
• Use a dry soft cloth to wipe dust off the cabinet.
If heavily soiled, use a mild detergent.
• Never use strong detergents or solvents such as alcohol or thinner.
• When cleaning the vents or the speaker using a vacuum cleaner, do not force the brush of the vacuum cleaner
into the slits of the cabinet.
Vacuum the dust off the vents.
• Clogged vents may cause a rise in the internal temperature of the projector, resulting in malfunction.
• Do not scratch or hit the cabinet with your fingers or any hard objects
• Contact your dealer for cleaning the inside of the projector.
NOTE: Do not apply volatile agent such as insecticide on the cabinet, the projection window, or the screen. Do not leave a rubber
or vinyl product in prolonged contact with it. Otherwise the surface finish will be deteriorated or the coating may be stripped off.