• Simrad SU90
  • About this manual
  • Simrad SU90
    • Important
    • System description
    • System diagram
    • System units
      • Display description
      • Processor Unit description
      • Operating Panel description
      • Transceiver Unit description
      • Hull Unit description
      • Transducer description
    • Order information
    • General safety rules
    • Network security
    • Support information
  • Getting started
    • Operating panels
      • Operating Panel description (Mk1)
      • Operating Panel description (Mk2)
      • Operating Panel description (Mk3)
      • Microsoft Xbox Controller description
    • Starting normal operation
      • Turning on the SU90 system for normal use
      • Getting to know the user interface
      • Getting to know presentation modes and views
      • Selecting Normal mode to start pinging
      • Adjusting the radius of the search area
      • Adjusting the gain (echo sensitivity)
      • Changing the vertical angle of the sonar beams
      • Adjusting the horizontal direction of the sonar beam
      • Turning off the SU90 system
    • Basic operating procedures
      • Selecting the language displayed in the menus and dialog boxes
      • Selecting operating frequency for minimum noise
      • Hiding the menu system when you do not need it
      • Saving single or sequential screen captures
      • Saving the current user settings
      • Defining the ping (transmission) modes
    • Context-sensitive online help
  • Operating procedures
    • Getting started
      • Turning on the SU90 system
      • Lowering and hoisting the transducer from the user interface
      • Turning off the SU90 system
    • Choosing operating mode and key transmit parameters
      • Selecting Normal mode to start pinging
      • Selecting Replay mode
      • Selecting Inactive mode
      • Setting up the SU90 system for maximum echo refresh rate
      • Transmitting single pings
      • Transmitting with fixed-time intervals
      • Adjusting the output power to match varying conditions
      • Selecting the best operating frequency
    • Controlling the gain and range settings
      • Adjusting the gain (echo sensitivity)
      • Adjusting the TVG (Time Variable Gain) setting
      • Adjusting the sonar range
      • Expanding the range within the sonar view
      • Adjusting the intensity of the echo presentations
      • Changing the tilt
      • Adjusting the bearing
    • Using the markers and tracking features
      • Starting a position track
      • Starting a target track
      • Placing a new marker
      • Deleting a marker
      • Measuring the size of a school relative to the purse seine
      • Using visual aids during the purse seine catch phase
      • Selecting a geographical area for accurate target tracking
      • Defining the physical size of the tracking area
      • Choosing the fishing gear in use
      • Changing the fishing gear properties to match your own equipment
    • Improving the recognition of fish and schools using receiver filters
      • About the receiver filter sequence in the SU90 system
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing propeller noise and interference with the Noise Filter
      • Reducing bottom and surface reverberation with the RCG (Reverberation Controlled Gain) function
      • Reducing noise and false echoes with the Ping-Ping Filter
      • Reducing the strong bottom echo to see fish close to the seabed
      • Adjusting the intensity of the echo presentations
    • Recording and replaying echo data
      • Defining the file and folder settings for data recording
      • Recording echo data
      • Locating the echo data files to delete, move or copy them
      • Selecting Replay mode
      • Choosing which echo data file(s) to replay
    • Recording and exporting processed echo data
      • Defining the processed data recording parameters
      • Recording processed data
      • Locating the processed data files to delete, move or copy them
    • Setting up presentation modes and views
      • Selecting which presentation modes to choose from at the bottom of the display presentation
      • Selecting which cursor and marker information to be shown in a view
      • Moving a view to another display
      • Rearranging the layout of the echo presentations
      • Restoring the locations and sizes of the views
    • Defining the visual information in the sonar views
      • Selecting true or relative motion behaviour in the views
      • Placing data from a sea current sensor in the sonar view
      • Adding markers for external objects to the echo presentation
      • Creating a visual presentation of your vessel’s previous movements
    • Defining settings related to user preferences and individual customizing
      • Selecting menu language
      • Hiding the menu system
      • Placing the menu on the left side of the display presentation
      • Selecting the information to appear on the top bar
      • Enabling Coordinated Universal Time (UTC) on the bottom bar
      • Selecting which tooltips to appear in the user interface
      • Adjusting the backlight intensity on the Operating Panel
      • Reducing the light emitted from the display presentation
      • Increasing the visibility of the information panes
      • Changing the colour palette ("skin") used in the display presentations
      • Choosing the colours used to present the echoes
      • Selecting measurement units
      • Configuring the environmental parameters
      • Setting up the alarm limits for system protection
      • Defining the middle position of the transducer
    • Saving, retrieving and handling user settings
      • Saving the current user settings
      • Choosing previously saved user settings
      • Renaming existing user settings
      • Deleting user settings that are no longer used
      • Choosing factory default settings
    • Defining the user-selected features on the Operating Panel
      • Selecting which Operating Panel to use
      • Assigning user settings or presentation modes to the Operating Panel
      • Assigning functions to the rotary switches on the Operating Panel
      • Assigning functions to F1, F2 and F3 on the Operating Panel (Mk2)
  • Maintenance procedures
    • Lowering and hoisting the transducer from the sonar room
      • Lowering and hoisting the transducer using the Hoist/Lower Switch
      • Lowering and hoisting the transducer using the hand crank
      • Emergency lowering and hoisting using the two contactors
    • Setting up the interfaces to peripheral devices
      • Installing navigation sensors and other sensors
      • Setting up the serial and Ethernet (LAN) port parameters
      • Setting up the input from a navigation system (GPS)
      • Setting up the interface for speed log input
      • Setting up the interface for course gyro input
      • Configuring the sensor priority
      • Setting up the input from a motion reference unit (MRU)
      • Setting up the SU90 system for synchronized operation
      • Setting up input from buoys, fish aggregating devices and other external objects
    • Inserting the installation parameters
      • Correct installation parameters are crucial for sonar operation
      • Inserting the ship origin and dimensions
      • Inserting the installation parameters for the transducer
      • Inserting the installation parameters for the motion reference unit (MRU)
      • Adjusting the built-in motion sensor offset
      • Adjusting the stabilization offsets for the external motion sensor
    • Installing and maintaining software
      • Installing a new version of the operating software
      • Removing the operating software
      • Updating the online help system
      • Adding online help in a new language
      • Obtaining and installing a software license for additional functionality
      • Setting up the Operating Panel (Mk2)
      • Using more than one Operating Panel to control the sonar (Mk2)
      • Using a single Operating Panel to control more than one sonar (Mk2)
      • Updating the Operating Panel support applications (Mk2)
      • Updating the firmware on the Operating Panel (Mk2)
    • Testing the noise conditions and the sonar functionality
      • Checking the status of the transceiver boards
      • Checking the transducer by means of the Diagnostics functionality
      • Measuring the noise in passive mode
      • Making a noise/speed curve to determine vessel noise
      • Measuring flow noise
    • Preventive maintenance
      • Preventive maintenance schedule
        • Actions to be taken before each use
        • Actions to be taken every month
        • Actions to be taken during dry docking
        • Actions to be taken whenever required
      • Requirements for personnel and tools
      • Approved anti-fouling paints
      • Preventive maintenance procedures
        • Checking the environmental conditions in the sonar room
        • Inspecting and cleaning the display
        • Inspecting and cleaning the Processor Unit
        • Inspecting and cleaning the Operating Panel
        • Inspecting and cleaning the Transceiver Unit
        • Visual inspection of the hull unit
        • Visual inspection of the installation trunk
        • Inspecting and cleaning the transducer face
        • Painting the transducer face
        • Inspecting and replacing sacrificial anodes
        • Lubricating the hoisting spindle
        • Lubricating the transducer shaft sleeve
      • Accessing the inside of the installation trunk
        • Accessing the installation trunk by lowering the transducer
        • Accessing the installation trunk by lifting the hull unit
  • User interface
    • User interface familiarization
    • Top bar
      • Top bar overview
      • Logo and product name
      • Menu
      • Screen Recording
      • Screen Capture
      • Record
      • Hull Unit
      • Information panes overview
      • Navigational information
        • Geographical position read-out
        • Heading read-out
        • Speed read-out
        • Bottom Depth read-out
        • Motion read-outs (roll and pitch)
      • Messages
      • Help
      • Operating system functions
    • Replay bar description
    • Sonar views
      • Presentation modes
      • Horizontal view
        • Audio beam
        • Bearing
        • Bow marker
        • Compass cards
        • Course line
        • Coverage plot
        • Current vector / Current flow
        • Cursor
        • Gain
        • Gear symbol
        • Inspection views
        • Markers / Manual Track / Priority Marker
        • Minute markers / History line
        • Plane view
        • Range / Range Rings / Variable Range Ring
        • Shortcut menu
        • Target tracking
        • Tilt
        • Horizontal TX Sector / Vertical TX Sector
        • User settings
      • Vertical view
        • Bearing
        • Tilt
        • Depth / Range / Range Rings / Variable Range Ring
        • Horizontal TX Sector / Vertical TX Sector
        • Coverage plot
        • Cursor
        • Markers
        • Purse depth
        • Vertical Reference
      • Inspection view
        • Bearing
        • Tilt
        • Range
        • Horizontal scroll
        • Tooltips
      • Plane view
        • Bearing
        • Coverage plot
        • Cursor
        • Gain
        • Markers / Manual Track / Priority Marker
        • Range / Range Rings
        • Tilt
        • Vertical Reference
      • Echogram view
      • Catch view
      • 270 Vertical view
    • Using markers in the SU90 user interface
      • Place Marker
      • Target markers
      • Circle Marker
      • Own Ship Marker
      • Gear Symbol
      • Rulers
    • Using target and position tracking
      • About target tracking
      • About position tracking
    • Information panes
      • Biomass information pane description
      • Size Distribution information pane description
      • Fish Position information pane description
      • Zoom information pane
    • Bottom bar
  • Menu system
    • About the menus and menu buttons
    • Using the “smart” menu buttons
    • Main menu
    • Operation menu
    • Display menu
    • Setup menu
    • Active menu
    • Objects menu
    • Visual Objects menu
    • Cosmetics menu
    • Shortcut menus
  • Functions and dialog boxes
    • Main menu: functions and dialog boxes
      • User Settings dialog box
      • Range function
      • Gain function
      • Tilt function
      • Bearing function
    • Operation menu: functions and dialog boxes
      • Operation function
      • Transmission Mode function
      • Tx Power function
      • Record RAW function
      • Record Processed function
      • Output dialog box
      • Audio function
    • Display menu: functions and dialog boxes
      • Visual Objects function
      • Cosmetics function
      • Motion function
      • Transparency function
      • View Range function
      • Display Gain function
      • Panel Backlight function
      • Colour Threshold function
      • Screen Brightness function
      • Display Options dialog box
      • Colour Setup dialog box
      • Docking Views function
    • Setup menu: functions and dialog boxes
      • Tracking Area function
      • Fishing Gear function
      • Fish Select dialog box
      • Environment dialog box
      • Language function
      • Dead Reckoning function
      • Stabilization function
      • Screen Captures dialog box
      • Beam Visualization dialog box
      • Diagnostics dialog box
      • Export dialog box
      • Installation dialog box
      • About dialog box
    • Active menu: functions and dialog boxes
      • TVG function
      • Ping-Ping Filter function
      • Pulse Type function
      • Bandwidth function
      • Frequency function
      • Horizontal TX Sector function
      • Vertical TX Sector function
      • Range Projection function
      • AGC (Automatic Gain Control) function
      • RCG (Reverberation Controlled Gain) function
      • Target Threshold function
      • Noise Filter function
      • Horizontal Scroll function
      • Vertical Reference function
      • Echogram dialog box
      • Information Pane Options dialog box
    • Secondary functions and dialog boxes
      • Replay File dialog box
      • Audio Sector function
      • Recording dialog box
      • LAN Port Setup dialog box
      • Serial Port Setup dialog box
      • Add Serial Port dialog box
      • Port Monitor dialog box
      • Messages dialog box
      • Tracking Area Setup dialog box
      • Add Fishing Gear dialog box
      • Auto Configuration dialog box
      • Hull Unit Control dialog box
      • New Marker dialog box
      • Power Off dialog box
      • Simulator Setup dialog box
    • Pages in the Output dialog box
      • File Setup page
      • I/O Setup page
      • Processed Data to File page
      • Marker Output page
      • Relay Output page
      • Screen Recording page
      • Screen Captures File Location page
    • Pages in the Display Options dialog box
      • General page
      • Map Display page
      • Safety Depth page
      • Tooltip page
      • Own Ship page
      • Vertical View Orientation page
      • Off Centre page
      • Current Flow page
      • Cursor Readout page
      • Presentation Modes page
    • Pages in the Environment dialog box
      • Water Column page
    • Pages in the Diagnostics dialog box
      • Processor page
      • Sensors page
      • Transceiver page
      • Transducer page
      • Noise page
      • Hull Unit page
      • Element BITE dialog box
      • B-Scan page
      • Matrix page
    • Pages in the Installation dialog box
      • Sensor Installation page
      • Sensor Configuration page
      • Motion Reference Unit page
      • Installation Parameters page
        • Ship page
        • Transducer page
        • MRU (Motion Reference Unit) page
      • Synchronization page
      • Units page
      • Operating Panel page
        • Operating Panel Mk1
        • Operating Panel Mk2
        • Operating Panel Mk3
      • Echogram Settings page
      • Hull Unit Configuration page
      • System Protection page
      • Fishing Gear Setup page
      • Map Setup page
      • User Settings Setup page
      • Software License page
      • Transceiver Upgrade page
    • Pages in the Echogram dialog box
      • Lines page
      • Echogram page
      • Horizontal Axis page
    • Pages in the Information Pane Options dialog box
      • Size Distribution page
      • Fish Position page
      • Fish Size Adjustment page
      • School Mass Adjustment page
  • Concept descriptions
    •  
    •  
      • AGC (Automatic Gain Control)
      • TVG (Time Variable Gain)
    • Basic sonar theory
      • Vessel coordinate system
      • Layers and deflections
        • Temperature and salinity layers
        • Sonar beam deflections
      • What is sampling?
    • Acoustic noise
      • Introduction to the acoustic noise challenge
      • Contributing factors
      • Self noise
      • Ambient noise
      • Electrical self noise
      • Reverberation
      • Some means to reduce acoustic noise
  • Technical specifications
  • Datagram formats