Simrad SU90 - Page 57

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Werecommendthatyoudothistesttwice.First,dothetestwithallotherhydroacoustic
systems(echosounders,ADCP ,sonars)turnedoff.Second,dothetestwithnormal
operatingconditions.Thisallowsyoutoseehowtheotherhydroacousticsystemsaffect
theSU90operation.
Procedure
1OntheMainmenu,selectUserSettings.
aSelectSU90FactoryDefault.
bSelectActivateSelectedSetting.
cSelectOKtoapplyyourchangesandclosetheUserSettingsdialogbox.
2OntheMainmenu,setRangeto1000m.
3OpentheOperationmenu.SetTxPowertoOff.
4OpentheActivemenu.SetPulseTypetoCWMedium.
5OpentheSetupmenu.
6SelectBITEtoopenthedialogbox.
aSelectNoisetoopenthepage.
bSelectStartNoiseMeasurements.
cOntheActivemenu,changetheFrequencysettingwhileobservingthenoise
value.
dNotefrequencieswithhighnoiselevels,andtrytoavoidusingthem.
Tip
Thefactorydefaultsettingsincludeoperatingfrequency.Ifyouapplythesesettings
remembertomaketheappropriatechangesafterwards.
Relatedtopics
Choosingoperatingmodeandkeytransmitparameters,page48
Operatingprocedures