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DuoisaU.S.trademarkofMindrayDSUSA,Inc.
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NavigatorisaU.S.trademarkofMindrayDSUSA,Inc.
MasimoSET?,LNOP?andCleanShield?areU.S.registeredtrademarksofMasimoCorp.
Copyright?MindrayDSUSA,Inc.,2008.Allrightsreserved.Contentsofthispublicationmaynotbereproducedinany
formwithoutpermissionofMindrayDSUSA,Inc.
0070-10-0604-01DuoServiceManual
TableofContents
Forewordiii
Warnings,PrecautionsAndNotesiii
TheoryofOperation1-1
Introduction1-1
HardwareOverview1-2
PowerSupplyBoard1-2
FanDriverBoardOverview1-4
CPU/DisplayBoardOverview1-4
NIBPModuleOverview1-5
SpO2Overview1-6
CalibrationandPerformanceVerification2-1
Introduction2-1
WarningsandGuidelines2-2
TestEquipmentandSpecialToolsRequired2-2
CalibrationandSystemChecks2-3
DeviceAppearanceandInstallationChecks2-3
MaintenanceFunctions/Non-MonitoringModes2-3
UnitofMeasureMode2-3
SoftwareVersionMode2-4
SafetyTest2-5
TestEquipment2-5
CaseLeakage2-5
NIBPCalibration2-6
TestEquipment2-6
TestProcedure2-6
SpO2Verification2-8
TestEquipment2-8
TestProcedure2-8
Parts3-1
Introduction3-1
PartsListing3-10
RepairInformation