NEC PH1202HL Installation Manual
Also see for PH1002HL: Reference manual
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Contents
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535. MaintenanceThis section describes the simple maintenance procedures you should follow to clean the filters, the lens, and thecabinet.5-1. Cleaning the FiltersThe air-filter sponge keeps dust and dirt from getting inside the projector and should be frequently cleaned. If the filteris dirty or clogged, your projector may overheat.WARNING• Please do not use a spray containing flammable gas to remove dust attached to the filters, etc. Doing so mayresult in fires.NOTE: The message for filter cleaning will be displayed for one minute after the projector is turned on or off. When the message isdisplayed, clean the filters. The time to clean the filters is set to [OFF] at time of shipment. (→ page 49)To cancel the message, press any button on the projector cabinet or the remote control.CAUTION• Before cleaning the filter, first turn off the power, make sure the cooling fan has completely stopped, then turnoff the main power switch. Make sure the unit has cooled down completely before cleaning the filter. Remov-ing the filter cover while the unit is running could result in burns or electric shock from contact with internalparts.The unit uses a three layer metal-mesh filter installed behind the filter cover. It can be used repeatedly by periodicalcleaning.There are four filters in total, located on the right and left sides. Clean all four at the same time.Filter cover/Filter1. Remove the filter cover.(1) Twist the knob to the left until it turns without resistance.(2) Open the filter cover and remove it.• The knob does not come off.• If the knob will not turn, use a Phillips head screw-driver.12 |
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