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457420/A

167

•SNR(SignaltoNoiseratio)/Acceleration

Inthelistofobjects,selectanobjectonwhichyouhavestartedtargettracking.

Oneeldpresentstheaccelerationofthetrackedtarget.TheSignaltoNoiseratio

(SNR)givesthestrengthofthetrackedtargetrelativethenoiseoordenedby

thereferencecellintheCFARlter.

Comment

AtexteldatthebottomoftheObjectsmenuallowsyoutotypecomments.Y oucan

onlydothisifyouhavecomputerkeyboardconnectedtoyourProcessorUnit.

InsertRelativePosition

SelectInsertRelativePositiontoinsertobjectinformationintothecommenteld.The

informationisinsertedasatextstringthatcontainsthefollowinginformation:

•UTCtime

•Relativebearing

•Rangetoownship

•Depth

Menusystem

Table of Contents5
About this Manual9
Simrad St9011
Important11
System Description13
System Diagram15
General Safety Rules16
Support Information17
Getting Started20
Operating Panel Description21
Starting Normal Operation24
Turning on the ST90 for Normal Use24
Getting to Know the User Interface26
Getting to Know Presentation Modes and Views28
Selecting Normal Mode to Start "Pinging32
Adjusting the Radius of the Search Area34
Adjusting the Echo Sensitivity35
Changing the Vertical Angle of the Sonar Beams37
Adjusting the Horizontal Direction of the Sonar Beam39
Turning off the ST9041
Basic Operating Procedures42
Selecting the Language Displayed in the Menus and Dialog Boxes42
Selecting Operating Frequency for Minimum Noise43
Hiding the Menu System When You Do Not Need It44
Saving Single or Sequential Screen Captures45
Saving the Current User Settings46
Defining the Ping (Transmission) Modes47
Operating Procedures49
Getting Started50
Turning on the ST9050
Topics50
Lowering and Hoisting the Transducer from the User Interface51
Turning off the ST9052
Choosing Operating Mode and Key Transmit Parameters54
Selecting Normal Mode to Start "Pinging54
Selecting Replay Mode55
Selecting Inactive Mode56
Setting up the ST90 for Maximum Echo Refresh Rate57
Transmitting Single Pings58
Transmitting with Fixed-Time Intervals59
Adjusting the Output Power to Match Varying Conditions60
Selecting the Best Operating Frequency61
Controlling the Gain and Range Settings63
Adjusting the Gain (Echo Sensitivity)63
Adjusting the TVG (Time Variable Gain) Setting65
Adjusting the Sonar Range65
Adjusting the Intensity of the Echo Presentations67
Changing the Tilt67
Adjusting the Bearing69
Using the Markers and Tracking Features71
Starting a Position Track71
Starting a Target Track72
Placing a New Marker74
Deleting a Marker74
Measuring the Size of a School Relative to the Purse seine75
Using Visual Aids During the Purse seine Catch Phase76
Choosing the Fishing Gear in Use77
Changing the Fishing Gear Properties to Match Your Own Equipment78
Improving the Recognition of Fish and Schools Using Receiver Filters80
About the Receiver Filter Sequence in the ST9080
Reducing Noise and Reverberation with the AGC (Automatic Gain Control) Function81
Reducing Propeller Noise and Interference with the Noise Filter83
Reducing Bottom and Surface Reverberation with the RCG (Reverberation Controlled Gain) Function84
Reducing Noise and False Echoes with the Ping-Ping Filter86
Reducing Noise and Reverberation with the AGC (Automatic Gain Control) Function87
Adjusting the Intensity of the Echo Presentations88
Recording and Replaying Echo Data90
Defining the File and Folder Settings for Data Recording90
Recording Echo Data91
Selecting Replay Mode92
Choosing Which Echo Data File(S) to Replay94
Accessing the Echo Data Files to Delete, Move or Copy Them95
Setting up Presentation Modes and Views96
Moving a View to Another Display96
Rearranging the Layout of the ST90 Presentation97
Restoring the Locations and Sizes of the Views98
Defining Settings Related to User Preferences and Individual Customizing99
Selecting Menu Language99
Hiding the Menu System100
Placing the Menu on the Left Side of the ST90 Presentation101
Selecting the Information to Appear on the Top Bar101
Enabling Coordinated Universal Time (UTC) on the Bottom Bar102
Selecting Which Tooltips to Appear in the User Interface103
Adjusting the Backlight Intensity on the Operating Panel103
Reducing the Light Emitted from the Display Presentation104
Increasing the Visibility of the Information Panes105
Changing the Colour Palette ("Skin") Used in the ST90 Presentations105
Choosing the Colours Used to Present the Echoes106
Selecting Measurement Units107
Configuring the Environmental Parameters108
Setting up the Alarm Limits for System Protection108
Defining the Middle Position of the Transducer109
Saving, Retrieving and Handling User Settings112
Saving the Current User Settings112
Choosing Previously Saved User Settings113
Renaming Existing User Settings114
Deleting User Settings that Are no Longer Used115
Choosing ST90 Factory Default Settings116
Defining the User-Selected Features on the Operating Panel117
Selecting Which Operating Panel to Use117
Assigning Custom User Settings to the Operating Panel118
Assigning Functions to the Rotary Switches on the Operating Panel120
Assigning Functions to F1, F2 and F3 on the Operating Panel121
Lowering and Hoisting the Transducer from the Sonar Room123
Lowering and Hoisting the Transducer Using the Hoist/Lower Switch124
Lowering and Hoisting the Transducer Using the Hand Crank126
Emergency Lowering and Hoisting Using the Two Contactors128
Setting up the Interfaces to Peripheral Devices130
Installing Navigation Sensors and Other Sensors130
Defining the Serial and Ethernet (LAN) Port Parameters131
Setting up the Input from a Navigation System (GPS)133
Setting up the Interface for Speed Log Input135
Setting up the Interface for Course Gyro Input138
Configuring the Sensor Interface140
Setting up the Input from a Motion Reference Unit (MRU)142
Setting up the ST90 in a Synchronized System144
Menu System147
About the Menus and Menu Buttons148
Using the "Smart" Menu Buttons149
Main Menu151
Operation Menu153
Display Menu155
Setup Menu158
Active Menu163
Objects Menu166
Visual Objects Menu170
Cosmetics Menu173
Shortcut Menus175

Simrad ST90 User Manual

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Brand	Simrad
Model	ST90
Category	Sonar
Language	English