宝马抬头显示系统介绍

InitialPrintDate:10/06TableofContentsSubjectPageIntroduction..................................................5Head-upDisplayHUD...........................................5Functions.....................................................8ProjectionDistance.............................................9Switch-onConditions...........................................9Switch-onPerformance........................................10Switch-offConditions..........................................10BrightnessOffset.............................................10Operating-hoursCounter.......................................11PriorityManagement...........................................11DisplayArea..................................................12ColorSelection................................................12SystemComponents.........................................13CoverGlass...................................................14Mirrors.......................................................15LEDPowerSupply............................................15LEDArray....................................................15PCB.........................................................16Housing......................................................16Windshield...................................................16IncorrectWindshieldFitted.....................................18LightModule.................................................19Rain/lightSensor..............................................19JunctionBox..................................................19EyeBox......................................................19ImageSources................................................20CHAMP/CCC...............................................20InstrumentCluster..........................................21CheckControlMessages.................................21Controls......................................................22LightSwitchCenter.........................................22Instrument-lightingDimming.................................22Controller..................................................22E70Head-upDisplay(HUD)RevisionDate:SubjectPageServiceInformation..........................................23AdjustingtheBrightness.......................................23AdjustingtheHeightoftheHorizon..............................24VerticalRotationoftheHUD....................................24TestFunctions................................................25CarryOutaSystemTest.......................................26ReplacingtheHUD............................................26ImageDefects................................................26Fading.....................................................27CorrectingDistortion(warping)...............................27Diagnosis.....................................................28SleepMode..................................................28SubjectPageBLANKPAGE4E70Head-upDisplayHead-upDisplayModel:E70Production:FromStartofProductionAftercompletionofthismoduleyouwillbeableto:•DescribetheoperationoftheHead-upDisplay(HUD)SystemontheE70•IdentifythecomponentsoftheHUDontheE70Head-upDisplay(HUD)TheverynameHead-updescribestheprinciplebenefitofthissystem.TheHead-updisplay(HUD)projectsimportantinformationsuchascruisecontroldataorinstructionsfromthenavigationarrowarereflectedontothewindshieldglassandarethusperma-nentlyinthedriver‘sfieldofvision.ThedriverofaBMWcanhaveimportantdataandgraphicsdisplayeddirectlyinfrontofhim,justlikeapilotofajetfighter.TheHead-updisplaycontainsvariousfunctionsaimedatenhancingroadsafetyanddrivingcomfort.Thisincludedisplays:•CruisecontrolDCCData•Navigationsysteminformation•CheckControlmessages•Vehiclespeed.Havingthedisplaysinthedriver'sdirectfieldofviewincreasessafety,astheeyesarealwaysonthetraffic.5E70Head-upDisplayIntroductionKl.30gKl.30gLVDSK-CANMOSTKombiHUDON/OFFCIDHUDM-ASK/CHAMP/CCCTE06-023712345676E70Head-upDisplayHeads-upDisplaySystemSchematicCircuitDiagram7E70Head-upDisplayHeads-upDisplaySystemSchematicCircuitDiagramLegendK-CANandMOSTSignalstotheHUDControlUnitIndexExplanationIndexExplanation1Lightswitchcenter7MOSTstation2Head-updisplayHUDK-CANBodyCAN3InstrumentclusterMOST-BusMediaOrientedSystemTransportbus4CentralInformationDisplayCIDLVDSLowVoltageDifferentialSignalling5Multi-audiosystemcontrollerMASKCentralHeadunitAndMultimediaPlatformCHAMPCarCommunicationComputerCCCKL30gTerminal30g6ControllerIn/outInformationSource/sinkFunctionInRoadspeedInstrumentclusterDisplayintheHUDInCheckcontrolmessageInstrumentclusterDisplayintheHUDInDimming/brightnessRainanddrivinglightsensor(RLS)viarooffunctioncenter(FZD)BrightnessadjustmentInHeightadjustmentM-ASK,CHAMP,CCCHeightadjustmentInBrightnessoffsetM-ASK,CHAMP,CCCBrightnessadjustmentInDCCEHB3DisplayintheHUDInFunctionselectionM-ASK,CHAMP,CCCWhatisdisplayedintheHUDInOn/OffswitchLightswitchcenter(LZ)SwitchingtheHUDOn/OffInNavigationM-ASK,CHAMP,CCCDisplayintheHUDTheHUDcanbecomparedtoaprojectiondevice.AlightsourceisrequiredtoprojecttheHUDinformation.TheLEDarray