NEC NP-UM352W Projector User Manual


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9. Appendix
Problem CheckTheseItems
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
53)
Mic sound is not
heard
• CheckifyourmicrophonecableisconnectedtotheMICinputjackcorrectly.
• Checkifselectionofmicrophonetypeintheinstallationmenuiscorrect.
Mic sound is too loud
or quiet
• Adjust[MICGAIN]fromthemenu.(→ page 64)
The stylus pen does
not work�
• Hascalibrationperformedproperly?
• Doesthestyluspenhavepropercharge?
If red LED is not turned on by pressing the pen tip, charge the stylus pen�
Lines traced with the
stylus pen do not
match lines indicated
on the screen�
• Hascalibrationperformedproperly?
If it does not solve the problem by performing automatic calibration, try to perform manual calibration�
• Changetheplacetoinstallthemavoidingtoreceivedirectsunshineorstronglight.
When the projector is mounted beside a window, avoid receiving influence of light from outside by ap-
propriate measures as closing a curtain and keeping a certain distance from the window, etc�
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71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.
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