LG PA77U Owners Manual - Page 117
MAINTENANCE, Cleaning, Cleaning the Lens, Cleaning the Projector Case, How to Attach the Lens Cap
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MAINTENANCE 117 MAINTENANCE Clean your Projector to keep it in optimal condition. Cleaning Cleaning the Lens If there is any dust or staining on the lens surface, you must clean the lens. Use an air spray or a cleaning cloth to clean the lens. To remove dust or stains, use an air spray or apply a small amount of cleaning agent onto a swab or soft cloth to lightly rub the lens. Please be aware that liquid may flow into the lens if the product is sprayed directly onto the lens. Cleaning the Projector Case To clean the projector case, first unplug the power cord. To remove dust or stains, use only a dry, lint-free, nonabrasive cloth to polish the lens. Do not use alcohol, benzene, thinners, or other chemicals, which may damage the case. How to Attach the Lens Cap 1 Prepare the lens cap and the strap supplied as accessories. 2 Insert the end of the strap into the hole at the bottom of the lens section of the projector. Attach the strap to the projector by inserting and pulling the other end of the strap into the other end. 3 Insert the other end of the strap into the hole of the lens cap, and then pass the lens cap through the strap.