InFocus IN3902LB Projector User Manual


 
46
Maintenance
Cleaning the lens
1 Apply a non-abrasive camera lens cleaner to a soft, dry cloth.
Avoid using an excessive amount of cleaner, and don’t apply the
cleaner directly to the lens. Abrasive cleaners, solvents or other harsh
chemicals might scratch the lens.
2 Lightly wipe the cleaning cloth over the lens in a circular motion.
WARNINGS:
Turn the projector off and unplug pow
er cord before cleaning any
part of the projector.
Do not open any cover on the projector, except the lamp cover.
Do not attempt to service this product yourself as opening and
removing covers may expose you to dangerous voltage and other
hazards. Refer all servicing to qualified service personnel.