56SettingThis function provides the following options in the coolingfans’ operation when the projector is turned off (p.20).L1 ...... Normal operationL ...... Slower and lower-sound than the normal operation(L1), but it takes more time to cool the projectordown.FanChoose the running speed of cooling fans from the followingoptions according to the ground elevation under which youuse the projector.Off................ Normal speed. Set this function to Off whenusing the projector in non-high altitudeenvironment.On1............. Faster than Off mode. Select this modewhen using the projector in high altitudes(about 1,000 meters to 2,000 meters abovethe sea level) where the fans have lesscooling effect.On............. Faster than On1 mode. Select this modewhen using the projector in higher altitudes(about 2,000 meters to 3,000 metersabove the sea level) where the fans havelesser cooling effect.✔Note:The fan noise becomes louder in On1 and On2.Fan controlLamp counterBe sure to reset the Lamp replacement counter after thelamp is replaced. (p. 62)Press the Point ▲▼ buttons to choose the Lamp counterfunction and then press the Point ► or the SELECT button toaccess the submenu items.Lamp counter................This item shows the totalaccumulated time of the lampusage.Lamp counter reset.......Press the SELECT button tochoose Lamp counter resetSelect yes in the confirmationbox if you want to reset the lampcounter, and then choose yes inthe second confirmation box toreset lamp counter.Lamp counter resetWhen you want to make a digital processing of a projectedimage faster, set this function.Use the Point ▲▼ buttons�� select an item o� Off or On.✔Note:Noise reduction and Progressive can not be selectedwhen Video delay control is set to On.Video delay control