Canon LV S3 LV-S3_Inst.pdf - Page 43

Maintenance Air Filter Removable air filters prevent dust from accumulating on the surface of optical elements inside the projector. Should air filters become clogged with dust particles, it will reduce the cooling fans' effectiveness and may result in internal heat build up and adversely affect the life of the projector. Clean air filters following the steps below: 1 Turn off the projector, and disconnect AC power cord from the AC outlet. Air filters 2 Turn the projector upside down and remove air filters by pulling the latches upward. 3 Clean the air filters with a brush or wash out dust and particles. 4 Replace each air filter properly. Make sure that the air filters are fully inserted. CAUTION Do not operate the projector with the air filters removed. Dust may accumulate on optical elements inside the projector degrading picture quality. Do not put small parts into Air Intake Vents. It may result in malfunction of the projector. RECOMMENDATION We recommend avoiding dusty/smoky environments when operating a projector. Usage in these environments may cause poor image quality. When using under dusty or smorky conditions, dust may accumulate on or optical elements inside the projector. This condition may degrade the quality of a projected image. When the above symptoms are noticed, contact your authorized dealer or service station for proper cleaning. Cleaning the Projection Lens Follow these steps to clean the projection lens: 1 Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner. Abrasive cleaners, solvents or other harsh chemicals might scratch a surface. 2 Lightly wipe Projection Lens with a cleaning cloth. 3 When the projector is not in use, replace the Lens Cover. 43