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Caution
YoumustneverstartST90transmissions(pinging)whentheshipisindrydock.The
transducermaybedamagedifittransmitsinopenair.
Oncestarted,theST90transmissionsarecontrolledbytheTransmissionModeandTX
Powerfunctions.
Procedure
1OpentheOperationmenu.
2SetOperationtoNormal.
TheOperationfunctioncontrolstheoperatingmodeoftheST90.Normalmodeallows
theST90totransmit("ping")throughthewater,andtoreceivetheechoes.
3SetTransmissionModetoMaximum.
TheTransmissionModefunctionenablesordisablestheST90transmissionsintothe
water.IfyouchooseMaximum,theST90willtransmit(ping)continuouslyandasoften
aspossible.Thisgivesyouthemaximumrefreshrate.
Thepingrateisnormallylimitedbythemaximumrangesettings.Itwillalsobe
dependantonhardwareissues.Thismaybe,forexample,howfastyourProcessorUnit
canhandletheinformationfromeachping,howfastyoursystemcommunicateswith
externalperipherals,orhowlongtimethesystemusestosavedata.
4SetTxPowertoMaximum.
Result
TheST90isnowtransmittingacousticpulses("pinging")intothewater.
Relatedtopics
Startingnormaloperation,page19
SimradST90QuickStartGuide