457420/A
3
Tableofcontents
ABOUTTHISMANUAL..................................................................7
SIMRADST90..............................................................................9
Important.................................................................................................................................9
Systemdescription.................................................................................................................11
Systemdiagram.....................................................................................................................13
Generalsafetyrules...............................................................................................................14
Supportinformation..............................................................................................................15
GETTINGSTARTED....................................................................18
OperatingPaneldescription..................................................................................................19
Startingnormaloperation.....................................................................................................22
TurningontheST90fornormaluse...........................................................................22
Gettingtoknowtheuserinterface..............................................................................24
Gettingtoknowpresentationmodesandviews..........................................................26
SelectingNormalmodetostart"pinging"...................................................................30
Adjustingtheradiusofthesearcharea.......................................................................32
Adjustingtheechosensitivity.....................................................................................33
Changingtheverticalangleofthesonarbeams..........................................................35
Adjustingthehorizontaldirectionofthesonarbeam.................................................37
TurningofftheST90...................................................................................................39
Basicoperatingprocedures...................................................................................................40
Selectingthelanguagedisplayedinthemenusanddialogboxes...............................40
Selectingoperatingfrequencyforminimumnoise.....................................................41
Hidingthemenusystemwhenyoudonotneedit......................................................42
Savingsingleorsequentialscreencaptures................................................................43
Savingthecurrentusersettings...................................................................................44
Deningtheping(transmission)modes......................................................................45
OPERATINGPROCEDURES.........................................................47
Gettingstarted.......................................................................................................................48
TurningontheST90....................................................................................................48
Loweringandhoistingthetransducerfromtheuserinterface....................................49
TurningofftheST90...................................................................................................50
Choosingoperatingmodeandkeytransmitparameters.......................................................52
SelectingNormalmodetostart"pinging"...................................................................52
SelectingReplaymode................................................................................................53
OperatorManual