6Turn off the projector, press the Main On/Off Switch toOff and unplug the AC power cord from the AC outlet.First, clean up the dust on the projector and around theair vents.12Open the filter cover. (See the right figure.)3Put the new one back into the position and closethe filter cover. Make sure that the filter cartridge isproperly and fully inserted.5CAUTIONMake sure the filter cartridge is inserted in theprojector. If the filter cartridge is not inserted, theprojector cannot be turned on.Do not put anything into the air vents. Doing somay result in malfunction of the projector.4Reset the filter counter and the scroll counter (p.64).6Filter coverReplacing the Filter CartridgePull out the filter cartridge. When taking outthe filter cartridge, put your finger on the filtercartridge’s tab and then pull.RECOMMENDATIONWe recommend avoiding dusty/smoky environments whenoperating the projector Usage in these environments maycause a poor image qualityWhen using the projector under dusty or smoky conditions, dustmay accumulate on a lens or optical elements inside the projector.Such condition may degrade the quality of the projected image.When the symptoms above are noticed, contact your authorizeddealer or service station for proper cleaning.ORDER REPLACEMENT FILTER CARTRIDGEReplacement filter cartridge can be ordered through yourdealer. When ordering, give the following information to thedealer.l Model No of your projectorPDG-DHT100Ll Replacement Filter CartridgeType No : POA-FIL-11(Service Parts Code: 610 4 747)Connect the AC power cord to the projector and turnon the projector.7Maintenance and CareFilter cartridgeTab