56-ENGLISH ENGLISH -57 OthersBefore calling for serviceBefore asking for service, check the following points.Problem Possible causePower does notturn on.No picture appears.The picture isfuzzy.COLOR is too light orTINT is poorNo sound can beheard.B The power cord may not be connected.B The MAIN POWER switch is turned off.B The main power supply is not being supplied to thewall outlet.B TEMP indicator is illuminated or flashing. (Refer topage 51.)B LAMP indicator is illuminated or flashing. (Refer topage 52.)B The lamp unit cover has not been securelyinstalled.B The video signal input source may not beconnected properly.B The input selection setting may not be correct.(Refer to page 22.)B The BRIGHT adjustment setting may be at theminimum possible setting. (Refer to page 34.)B The shutter function may be in use. (Refer to page33.)B The lens cover may still be attached to the lens.B The lens focus may not have been set correctly.(Refer to page 23.)B The projector may not be at the correct distancefrom the screen. (Refer to page 21.)B The lens may be dirty.B The projector may be tilted too much. (Refer topage 23.)B COLOR or TINT adjustment may be incorrect.(Refer to pages 34 and 35.)B The input source which is connected to theprojector may not be adjusted correctly.B The audio signal source may not be connectedproperly.B The volume adjustment may be at the lowestpossible setting. (Refer to page 15.)B Make sure that the MUTE function is not activated.(Refer to page 33.)+ Press the ENTER button todisplay the OPTION screen,and then use the F and Gbuttons to select LAMPRUNTIME., Press and hold the ENTERbutton for approximately 3seconds.The “LAMP RUNTIME” willchange to “TIME RESET[POWER OFF]”.NOTE:B If the MENU button is pressed,the lamp time resetting screenwill be cancelled.- Turn off the power.This will reset the cumulativeusage time for the lamp unit tozero.Refer to page 23 for details onhow to turn off the power.M E N UK E Y S T O N EP I C T U R EP O S I T I O NS H U T T E RV O L U M EL A N G U A G EO P T I O NS D M E N US E L E C T E N T E R E X I TO P T I O NO S D O NN R O NP C P R I O R I T Y N O R M A LB A C K C O L O R B L A C K4 : 3 H - P O S C E N T E RF R O N T / R E A R F R O N TD E S K / C E I L I N G D E S KF A N C O N T R O L N O R M A LL A M P P O W E R H I G HL A M P R U N T I M E 1 8 2 0 HS E L E C T A D J E S CO P T I O NO S D O NN R O NP C P R I O R I T Y N O R M A LB A C K C O L O R B L A C K4 : 3 H - P O S C E N T E RF R O N T / R E A R F R O N TD E S K / C E I L I N G D E S KF A N C O N T R O L N O R M A LL A M P P O W E R H I G HT I M E R E S E T [ P O W E R O F F ]S E L E C T A D J E S C' Install the lamp unit cover, andthen use a Phillips screwdriverto securely tighten the lampunit cover fixing screws.NOTE:B Be sure to install the lamp unitand the lamp unit cover securely.If they are not securely installed,it may cause the protection circuitto operate so that the powercannot be turned on.( Insert the power cord plug intothe wall outlet and then pressthe MAIN POWER switch.NOTE:B If the POWER button on theprojector does not illuminate redwhen the MAIN POWER switch isturned on, turn the MAIN POWERswitch off again and check thatthe lamp unit and the lamp unitcover are securely installed. Thenturn the MAIN POWER switchback on.) Press the POWER button sothat a picture is projected ontothe screen.* Press the MENU button todisplay the MAIN MENUscreen, and then press the Fand G buttons to move thecursor to select “OPTION”.