- 15 -Lamp ReplacementThe LAMP REPLACE indicator will light when the totallamp used time reaches 3,000 hours. This is to indicatethat lamp replacement is required.The total lamp used time is calculated by using the belowexpression;Total lamp used time = teco + tnormal x (1.5)teco: used time in Eco modetnormal: used time in Normal/Auto1/Auto2 modeYou can check the lamp counter following procedure.1 Press and hold the PoWer oN/StANd-BY button onthe projector or the remote control unit for more than20 seconds.2 The projector used time and lamp used time will be dis-played on the screen briefly.You can also check "Lamp Time" in the "InformationMenu". This value is actual lamp used time."Lamp Time" = teco + tnormalHow to check lamp used timeCounterProjector 475HLampNormal 100HEco 375HCorresponding value 525Htotal lamp used timeInformation MenuLamp counter display Projector used timetotal lamp used time (actual)475
