SimradSU90
7Selectasuitablerange.
[_____]Ok
8[Sonarroom]Checkthatyoucanhearthesoundofthetransmitpulsefromthe
transducer.
9SettheTXPowertoMedium,andcheckthatechoesappearstronger.
[_____]Ok
10[Sonarroom]Checkthatthesoundofthetransmitpulseisstronger.
11SettheTXPowertoFull,andcheckthatechoesappearevenstronger.
[_____]Ok
12[Sonarroom]Checkthatthesoundofthetransmitpulseisevenstronger.
StartinguptheSU90system,sonarroomactions
Note
Thisproceduremustbeperformedsimultaneouslywiththeprocedureandchecklistin
thepreviousprocedure;StartinguptheSU90system,bridgeactionsonpage191.
Theinstructionsmarked[Bridge]areperformedonthebridge.Notethatthose
proceduresaremoredetailedthatwhatispresentedhere.
Purpose
ThisprocedureexplainstheactionstobemadeinthesonarroomwhentheSU90system
isstarted.
Procedure
1[Bridge]Startupthesonar.
2[Bridge]Checkthatthedepthissufcientforloweringofthetransducer.
3[Bridge]PresstheMiddlebuttonontheOperatingPaneltolowerthetransducer
toitsmiddleposition.
4[Bridge]ClicktheModebuttononthetopofthemenusystem,andselectmode
Bowup.
5[Bridge]OpentheHorizontalmenu,andlocatetheTXPowerbutton.
6[Bridge]SettheTXPowertoLow,andcheckthatechoesappearonthedisplay.
7[Bridge]Selectasuitablerange.
8Checkthatyoucanhearthesoundofthetransmitpulsefromthetransducer.
[_____]Ok
9[Bridge]SettheTXPowertoMedium,andcheckthatechoesappearstronger.
10Checkthatthesoundofthetransmitpulseisstronger.
[_____]Ok
11[Bridge]SettheTXPowertoFull,andcheckthatechoesappearevenstronger.
12Checkthatthesoundofthetransmitpulseisevenstronger.
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