NEC PX750U - Page 172

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6. Installation and Connections
Cautions when connecting an HDMI cable
• UseacertiedHighSpeedHDMI
®
CableorHighSpeedHDMI
®
CablewithEthernet.
Cautions when connecting a DisplayPort cable
• UseacertiedDisplayPortcable.
• Dependingonthecomputer,sometimemayberequireduntiltheimageisdisplayed.
• SomeDisplayPortcables(commerciallyavailable)havelocks.
• Todisconnectthecable,pressthebuttononthetopofthecable’sconnector,thenpullthecableout.
• NopowerissuppliedfromtheDisplayPortinputconnectortotheconnecteddevice.
• WhensignalsfromadevicethatusesasignalconverteradapterareconnectedtotheDisplayPortinputconnector,
insomecasestheimagemaynotbedisplayed.
• WhentheHDMIoutputofacomputerisconnectedtotheDisplayPortinputconnector,useaconverter(commercially
available).
CautionswhenusingaDVIsignal
• WhenthecomputerhasaDVIoutputconnector,useacommerciallyavailableconvertercabletoconnectthe
computertotheprojector’sHDMIinputconnector(onlydigitalvideosignalscanbeinput).
 Toconnectthecomputer’sDVIoutputconnectortotheprojector’sDisplayPortinputconnector,useacommercially
availableconverter.
HDMI IN
NOTE:WhenViewingaDVIDigitalSignal
• UseaDVI-to-HDMIcablecompliantwithDDWG(DigitalDisplayWorkingGroup)DVI(DigitalVisualInterface)revision1.0stan-
dard.Thecableshouldbewithin197"/5mlong.
• TurnofftheprojectorandthePCbeforeconnectingtheDVI-to-HDMIcable.
• ToprojectaDVIdigitalsignal:Connectthecables,turntheprojectoron,thenselecttheHDMIinput.Finally,turnonyourPC.
 Failuretodosomaynotactivatethedigitaloutputofthegraphicscardresultinginnopicturebeingdisplayed.Shouldthishappen,
restartyourPC.
• SomegraphicscardshavebothanalogRGB(15-pinD-Sub)andDVI(orDFP)outputs.Useofthe15-pinD-Subconnectormay
result in no picture being displayed from the digital output of the graphics card.
• DonotdisconnecttheDVI-to-HDMIcablewhiletheprojectorisrunning.Ifthesignalcablehasbeendisconnectedandthen
reconnected,animagemaynotbecorrectlydisplayed.Shouldthishappen,restartyourPC.