NEC P502WL - If There Is no Picture, or the Picture Is Not Displayed Correctly

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9. Appendix
Problem CheckTheseItems
Remote control does
not work
• Installnewbatteries.(→ page 9)
• Makesuretherearenoobstaclesbetweenyouandtheprojector.
• Standwithin22feet(7m)oftheprojector.(→ page 9)
• Theremotecontrolsensoronthebackoftheprojectorcannotbeusedwhenthecablecoverismounted
on the projector�
Indicator is lit or
blinking
• SeethePOWER/STATUS/LIGHTIndicator.(→ page 115)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 23)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page
46)
Formoreinformationcontactyourdealer.
If there is no picture, or the picture is not displayed correctly.
• PoweronprocessfortheprojectorandthePC.
 BesuretoconnecttheprojectorandnotebookPCwhiletheprojectorisinstandbymodeandbeforeturningonthe
powertothenotebookPC.
 InmostcasestheoutputsignalfromthenotebookPCisnotturnedonunlessconnectedtotheprojectorbefore
beingpoweredup.
NOTE:Youcancheckthehorizontalfrequencyofthecurrentsignalintheprojector’smenuunderInformation.Ifitreads“0kHz”,
thismeansthereisnosignalbeingoutputfromthecomputer.(→page65orgotonextstep)
• Enablingthecomputer’sexternaldisplay.
 DisplayinganimageonthenotebookPC’sscreendoesnotnecessarilymeanitoutputsasignaltotheprojector.
WhenusingaPCcompatiblelaptop,acombinationoffunctionkeyswillenable/disabletheexternaldisplay.Usually,
thecombinationofthe“Fn”keyalongwithoneofthe12functionkeysgetstheexternaldisplaytocomeonoroff.
Forexample,NEClaptopsuseFn+F3,whileDelllaptopsuseFn+F8keycombinationstotogglethroughexternal
displayselections.
• Non-standardsignaloutputfromthecomputer
 IftheoutputsignalfromanotebookPCisnotanindustrystandard,theprojectedimagemaynotbedisplayed
correctly.Shouldthishappen,deactivatethenotebookPC’sLCDscreenwhentheprojectordisplayisinuse.Each
notebookPChasadifferentwayofdeactivate/reactivatethelocalLCDscreensasdescribedinthepreviousstep.
Refertoyourcomputer’sdocumentationfordetailedinformation.
• ImagedisplayedisincorrectwhenusingaMac
 WhenusingaMacwiththeprojector,settheDIPswitchoftheMacadapter(notsuppliedwiththeprojector)accord-
ingtoyourresolution.Aftersetting,restartyourMacforthechangestotakeaffect.
 ForsettingdisplaymodesotherthanthosesupportedbyyourMacandtheprojector,changingtheDIPswitchon
aMacadaptermaybounceanimageslightlyormaydisplaynothing.Shouldthishappen,settheDIPswitchto
the13"xedmodeandthenrestartyourMac.Afterthat,restoretheDIPswitchestoadisplayablemodeandthen
restarttheMacagain.
NOTE:AVideoAdaptercablemanufacturedbyAppleInc.isneededforaMacBookwhichdoesnothaveaminiD-Sub15-pinterminal.
• MirroringonaMacBook
* WhenusingtheprojectorwithaMacBook,outputmaynotbesetto1024×768unless“mirroring”isoffonyour
MacBook.Refertoowner’smanualsuppliedwithyourMaccomputerformirroring.
• FoldersoriconsarehiddenontheMacscreen
 Foldersoriconsmaynotbeseenonthescreen.Shouldthishappen,select[View]→[Arrange]fromtheApple
menuandarrangeicons.