User Manual

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D2GatingFeatureExpressionMR400InstructionsforUse
Symphony,SiemensAlvanto,Phi lipsIntera,etcetera;seepage135).Fordetailedsignal
characteristicsofthegatingoutputs,seeA28.
Using the Gating Feature
ThegatingfeatureprovidesfacilitiesforlowlatencyMRItriggeringandsynchronizationbasedon
themeasuredECGorSPO2signal.DatameasuredandtransmittedbythewECGorwSpO2
moduleisprocessedbytheMR400andoutputatthegatingconnector;seepage119forthe
location,andseethe
tableattheendofthisappendixforsignaldetails.(Signalscanalso
transmittedbytheoptionalwBTU.)
Using ECG Gating
ToreceiveECGgatingsignals
Step Action
1CheckthebatteryindicatorsonthewECGmoduletoensurethat
enoughchargeexistsinatleastoneoftheinstalledbatteries:
Greenbatteryindicator=Charge sufficient;proceedtostep3.
•Redbatteryindicator=Chargelow;proceedtostep2.
Seepage29for
details.(Also,youcanreferencethestatus
informationpane;seepage216.)
2 Accordingtotheredbatteryindicator(s)presentonthewECG
module,insertachargedmodulebatteryintothecorresponding
batterybay(s) andthenrecheckthebatteryindicator(s)toensurea
sufficientchargebeforeproceeding;seepage124.
3CheckthenetworkchannelindicatoronthewECGmoduleto
ensurecommunicationisestablishedwiththeMR400:
Steady=Goodcommunication;proceedtostep5.
Flashing=Nocommunication;proceedtostep4.
Seepage210fordetails.(Also,youcanreferencethestatus
informationpane;seepage216.)
4Ensure
thatthewECGmoduleiswithin9.1m(30feet)ofthe
MR400,inthesameMRIroomorinthesameshieldedroom,andis
settothesamewirelessnetworkchannelusedbytheMR400;see
page129.
5Ensurethatthelead cableisproperlyattachedto
thepatient;see
AttachingtheECGLeadCableonpage512.
(ECGoutputsareenabledbydefault;seepage529.)
6ItmaybenecessarytouseTWaveSuppression,seepage533.