• about
      • comments
      • constructive criticism
      • document downloads
      • feedback
      • online information
      • purpose of this manual
      • registered trademarks
      • registered trademark SIMRAD
      • software version
      • suggestions
      • target audience
    • activating
      • factory default settings
    • Active menu
      • how to open
        • Active menu
        • Active menu
    • adjusting
      • bearing
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • echo sensitivity
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • gain
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • horizontal direction of sonar beam
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • output power
      • sensitivity
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
    • assigning
      • custom user settings
    • audience
      • this manual
    • backlight
      • adjusting the backlight on the Operating Panel
    • basic description
      • Operating Panel
    • bearing
      • adjusting
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • assign function to rotary switches
    • block
      • diagram
    • book
      • purpose
      • target audience
    • bottom bar
      • enable Coordinated Universal Time (UTC)
    • Bottom Profile function
      • description
    • bottom reverberation
      • reducing
    • Bow Marker function
      • description
    • brightness
      • choosing colour brightness
      • reducing the light emitted by the display presentation
    • buttons
      • menu
    • choosing
      • factory default settings
      • the fishing gear in use
    • colour palette
      • changing
    • colours
      • choosing colour brightness
      • choosing colour scale
      • choosing echo colours
    • comments
      • send us
    • communication port
      • setting up the parameters
    • configuring
      • sensor interface
    • constructive criticism
      • send us
    • contactor
      • hoisting the transducer using Hoisting Contactor
      • lowering the transducer using Lowering Contactor
    • Coordinated Universal Time (UTC)
      • enable
    • copy
      • echo data files
    • Cosmetics menu
      • description
      • how to open
    • course gyro
      • setting up the interface
    • crank
      • hoisting the transducer using hand crank
      • lowering the transducer using hand crank
    • Current Vector function
      • description
    • data
      • defining the file and folder settings for data recording
      • recording echo data
      • recording raw data
      • recording sonar data
    • default settings
      • activating
    • defining
      • file and folder settings for data recording
    • delete
      • echo data files
    • Delete All Rulers function
      • description
    • delete marker
      • using Objects menu
      • using shortcut menu
    • Delete Marker function
      • description
    • Delete Own Ship Marker function
      • description
    • Delete Ruler function
      • description
    • deleting
      • existing user settings
    • description
      • Bottom Profile function
      • Bow Marker function
      • Cosmetics menu
      • Current Vector function
      • Delete All Rulers function
      • Delete Marker function
      • Delete Own Ship Marker function
      • Delete Ruler function
      • Display menu
      • Erase Echoes function
      • Initiate Track function
      • Main menu
      • Markers function
      • menu system
      • Minute Markers function
      • Minute Markers Tracks function
      • Objects menu
      • Operating Panel
      • Operation menu
      • Place Circle Marker function
      • Place Marker Continuous function
      • Place Marker function
      • Place Own Ship Marker function
      • Place Ruler function
      • Position Object Sizes function
      • Remove Ruler function
      • Reset Ship Centre function
      • Set New Ship Centre function
      • Set Priority Marker function
      • Setup menu
      • Ship To Centre function
      • shortcut menus
      • Show Gear Symbol function
      • Speed Vector function
      • system
      • Track History function
      • Tracks function
      • Visual Objects menu
      • Zoom function
    • direction of sonar beam
      • adjusting
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
    • disable
      • Coordinated Universal Time (UTC)
      • navigational information on the top bar
      • tooltips in the user interface
    • display
      • reducing the light emitted by the display presentation
    • Display menu
      • description
      • how to open
    • Display Options dialog box
      • enable Coordinated Universal Time (UTC)
      • selecting which tooltips to appear in the user interface
      • select navigational information on the top bar
    • docking
      • important reminder
    • Docking Views
      • restoring original views
      • restoring previous views
    • documents
      • download from website
    • download
      • documents from website
      • www.simrad.com
    • drawing
      • system diagram
    • echo
      • recording data
    • echo colours
      • choosing
        • Choosing the colours used to present the echoes
        • Choosing the colours used to present the echoes
      • choosing colour brightness
    • echogram data
      • deleting, copying and moving data files
    • echo sensitivity
      • adjusting
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
    • enable
      • Coordinated Universal Time (UTC)
      • navigational information on the top bar
      • tooltips in the user interface
    • environmental parameters
      • change
    • Erase Echoes function
      • description
    • Ethernet port
      • defining the communication port parameters
    • F1 F2 F3
      • assigning function
    • factory settings
      • activating
    • failures
      • support if something breaks down
    • false echoes
      • reducing
    • fast
      • ping rate
    • feedback
      • send us
    • file locations
      • defining the file and folder settings for data recording
    • file setup
      • defining the file and folder settings for data recording
    • fishing gear
      • choosing the fishing gear in use
    • folder locations
      • defining the file and folder settings for data recording
    • frequency
      • selecting best
        • Selecting operating frequency for minimum noise
        • Selecting the best operating frequency
    • fresh water
      • changing environmental parameters
    • function
      • Bottom Profile function description
      • Bow Marker function description
      • Current Vector function description
      • Delete All Rulers function description
      • Delete Marker function description
      • Delete Own Ship Marker function description
      • Delete Ruler function description
      • Erase Echoes function description
      • Initiate Track function description
      • Markers function description
      • Minute Markers function description
      • Minute Markers Tracks function description
      • Place Circle Marker function description
      • Place Marker Continuous function description
      • Place Marker function description
      • Place Own Ship Marker function description
      • Place Ruler function description
      • Position Object Sizes function description
      • Remove Ruler function description
      • Reset Ship Centre function description
      • Set New Ship Centre function description
      • Set Priority Marker function description
      • Ship To Centre function description
      • Show Gear Symbol function description
      • Speed Vector function description
      • Track History function description
      • Tracks function description
      • Zoom function description
    • functional
      • diagram
    • gain
      • adjusting
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • assign function to rotary switches
    • gear
      • choosing the fishing gear in use
    • general safety rules
    • global positioning system (GPS)
      • setting up the interface
    • GPS
      • setting up the interface
    • gyro
      • setting up the interface
    • hand crank
      • hoisting the transducer
      • lowering the transducer
    • handling
      • transducers
    • heading gyro
      • setting up the interface
    • help
      • support offices
    • hide
      • menu system
    • hiding
      • menu system
        • Hiding the menu system when you do not need it
        • Hiding the menu system
    • high voltage
      • safety rules
    • Hoist/Lower Switch
      • hoisting the transducer
      • lowering the transducer
    • hoist
      • transducer manually
    • 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
      • the transducer using hand crank
      • the transducer using Hoist/Lower Switch
      • the transducer using Hoisting Contactor
    • Hoisting Contactor
      • hoisting the transducer
    • Horizontal Scroll function
      • purpose
    • how to
      • activate factory default settings
      • adjust horizontal direction of sonar beam
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • adjust sonar range
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • adjust the backlight on the Operating Panel
      • adjust the bearing
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • adjust the echo sensitivity
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • adjust the gain
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • adjust the output power
      • adjust the radius of the search area
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • adjust the TVG
      • assign custom user settings
      • assign functions to F1, F2 and F3
      • assign functions to rotary switches
      • change the colour palette used in the presentation
      • change the environmental parameters
      • choose colour brightness
      • choose colour scale
      • choose echo colours
      • choose the fishing gear in use
      • configure the sensor interface
      • define the Ethernet (LAN) port parameters
      • define the file and folder settings for data recording
      • define the middle position of the transducer
      • define the serial port parameters
      • define the transmission (ping) modes
      • delete, copy and move echo data files
      • delete existing user settings
      • delete marker using Objects menu
      • delete marker using shortcut menu
      • enable Coordinated Universal Time (UTC)
      • hide the menu system
        • Hiding the menu system when you do not need it
        • Hiding the menu system
        • Main menu
      • hoist 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
      • hoist the transducer using hand crank
      • hoist the transducer using Hoist/Lower Switch
      • hoist the transducer using Hoisting Contactor
      • increase the visibility of the information panes
      • install navigation and other sensors (summary)
      • lower 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
      • lower the transducer using hand crank
      • lower the transducer using Hoist/Lower Switch
      • lower the transducer using Lowering Contactor
      • measure the size of a school relative to the purse seine
      • move the view to another display
      • place a marker using operating panel
      • place the menu on the left side of the presentation
      • rearrange the layout of the presentation
      • record echo data
      • record raw data
      • record sonar data
      • reduce bottom and surface reverberation
      • reduce noise and false echoes
      • reduce noise and reverberation
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reduce propeller noise and interference
      • reduce the light emitted by the display presentation
      • rename saved user settings
      • replay raw data
        • Selecting Replay mode
        • Selecting Replay mode
      • restore original views
      • restore previous views
      • save a screen capture
      • save sequential screen captures
      • save the current user settings
        • Saving the current user settings
        • Saving the current user settings
      • select best operating frequency
        • Selecting operating frequency for minimum noise
        • Selecting the best operating frequency
      • select inactive operating mode
      • select measurement units
      • select menu language
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
      • select navigational information on the top bar
      • select normal operating mode
        • Selecting Normal mode to start "pinging"
        • Selecting Normal mode to start "pinging"
      • select replay file
      • select replay operating mode
        • Selecting Replay mode
        • Selecting Replay mode
      • select tooltips in the user interface
      • select which operating panel to use
      • set up synchronization
      • set up the GPS interface
      • set up the gyro interface
      • set up the motion reference unit (MRU) interface
      • set up the navigation sensor interface
      • set up the speed log interface
      • transmit single pings
      • transmit with fixed-time intervals
      • transmit with maximum ping rate
      • turn off
        • Turning off the ST90
        • Turning off the ST90
      • turn on
        • Turning on the ST90 for normal use
        • Turning on the ST90
      • use previously saved user settings
      • use the menu buttons
    • how to open
      • Active menu
        • Active menu
        • Active menu
      • Cosmetics menu
      • Display menu
      • Main menu
      • Objects menu
      • Operation menu
      • secondary menus
      • Setup menu
      • shortcut menus
      • Visual Objects menu
    • hull unit
      • defining the middle position of the transducer
    • I/O Setup page
      • installing navigation and other sensors (summary)
    • illustration
      • system diagram
    • important
      • before you power up
      • hoist/lower transducer manually
      • if something breaks down
      • power off
      • reminders
      • switch off
      • transducer handling
      • when not in use
      • when you are docking your vessel
    • inactive operating mode
      • selecting
    • information
      • high voltage
      • online
      • support
    • information pane
      • increasing the visibility of the information panes
    • Initiate Track function
      • description
    • intensity
      • reducing the light emitted by the display presentation
    • interface
      • motion reference unit (MRU) setup
      • setting up GPS interface
      • setting up navigation sensor interface
      • setting up the gyro interface
      • setting up the motion reference unit (MRU) interface
      • setting up the speed log interface
    • interfacing a course gyro
      • Sensor Installation page
    • interfacing a gyro
      • Sensor Installation page
    • interfacing a heading gyro
      • Sensor Installation page
    • interfacing a navigation sensor
      • Sensor Installation page
      • summary
    • interfacing a speed log
      • Sensor Installation page
    • interference
      • reducing
    • interval
      • transmitting with fixed-time intervals
    • introduction
      • Operating Panel
    • K301
      • hoisting the transducer
    • K302
      • lowering the transducer
    • Kongsberg Maritime
      • support
    • language
      • select
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
    • LAN port
      • defining the communication port parameters
    • layout
      • rearranging the presentation
    • left
      • placing the menu on the left side of the presentation
    • light
      • reducing the light emitted by the display presentation
    • logo
      • registered trademark
    • lower
      • transducer manually
    • lowering
      • 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
      • the transducer using hand crank
      • the transducer using Hoist/Lower Switch
      • the transducer using Lowering Contactor
    • Lowering Contactor
      • lowering the transducer
    • Main menu
      • description
      • how to open
    • manual
      • hoist/lower transducer manually
      • purpose
      • target audience
    • markers
      • deleting using Objects menu
      • deleting using shortcut menu
      • placing a marker using operating panel
    • Markers function
      • description
    • master
      • setting up synchronization
    • maximum
      • ping rate
    • measurement units
      • selecting
    • measuring
      • the size of a school relative to the purse seine
    • menu
      • Cosmetics menu description
      • Display menu description
      • hiding
        • Hiding the menu system when you do not need it
        • Hiding the menu system
      • Main menu description
      • Objects menu description
      • Operation menu description
      • placing the menu on the left side of the presentation
      • Setup menu description
      • Visual Objects menu description
    • menu buttons
      • using
    • menu language
      • select
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
    • menus
      • shortcut menus description
    • menu system
      • description
      • hiding
    • middle position
      • defining the middle position of the transducer
    • Minute Markers function
      • description
    • Minute Markers Tracks function
      • description
    • mode
      • defining the transmission (ping) modes
      • selecting inactive operating mode
    • motion reference unit (MRU)
      • setting up the interface
    • Motion Reference Unit (MRU) page
      • interfacing a motion sensor
    • move
      • echo data files
    • MRU
      • setting up the interface
    • navigation
      • selecting navigational information on the top bar
    • navigation sensor
      • installing navigation and other sensors (summary)
      • setting up the interface
    • noise
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing noise and false echoes with the Ping-Ping Filter
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reducing
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
        • Reducing noise and false echoes with the Ping-Ping Filter
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reducing bottom and surface reverberation
      • reducing propeller noise and interference
    • normal operating mode
      • selecting
        • Selecting Normal mode to start "pinging"
        • Selecting Normal mode to start "pinging"
    • note
      • before you power up
      • important reminders
      • support if something breaks down
      • when the system not in use
      • when you are docking your vessel
      • when you wish to switch off
    • Objects menu
      • description
      • how to open
    • off
      • turn
        • Turning off the ST90
        • Turning off the ST90
    • offices
      • support
    • on
      • turn
        • Turning on the ST90 for normal use
        • Turning on the ST90
    • online
      • information
    • open
      • Active menu
        • Active menu
        • Active menu
      • Cosmetics menu
      • Display menu
      • Main menu
      • Objects menu
      • Operation menu
      • secondary menus
      • Setup menu
      • shortcut menus
      • Visual Objects menu
    • operating frequency
      • selecting best
        • Selecting operating frequency for minimum noise
        • Selecting the best operating frequency
    • operating panel
      • assigning custom user settings
      • assigning functions to F1, F2 and F3
      • assigning functions to rotary switches
      • placing a marker
      • selecting which operating panel to use
    • Operating Panel
      • adjusting the backlight
      • description
      • introduction
      • overview
      • purpose
    • operation
      • normal operating mode
        • Selecting Normal mode to start "pinging"
        • Selecting Normal mode to start "pinging"
      • replay operating mode
        • Selecting Replay mode
        • Selecting Replay mode
    • Operation menu
      • description
      • how to open
    • output power
      • adjusting
      • decrease
      • increase
    • overview
      • Operating Panel
    • palette
      • changing
    • pane
      • increasing the visibility of the information panes
    • ping
      • defining the transmission modes
      • transmitting single pings
      • transmitting with fixed-time intervals
      • transmitting with maximum ping rate
    • ping rate
      • transmitting with maximum ping rate
    • Place Circle Marker function
      • description
    • Place Marker Continuous function
      • description
    • Place Marker function
      • description
    • Place Own Ship Marker function
      • description
    • Place Ruler function
      • description
    • placing a marker
      • using operating panel
    • playback file
      • selecting
    • Position Object Sizes
      • description
    • power off
      • important reminder
    • power up
      • important reminder
    • presentation
      • changing the colour palette
      • enable Coordinated Universal Time (UTC)
      • placing the menu on the left side of the presentation
      • rearranging the layout
      • reducing the light emitted by the display presentation
      • select tooltips
    • problem
      • support if something breaks down
    • procedure
      • activating factory default settings
      • adjusting horizontal direction of sonar beam
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • adjusting the backlight on the Operating Panel
      • adjusting the bearing
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
      • adjusting the echo sensitivity
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • adjusting the gain
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
      • adjusting the output power
      • adjusting the radius of the search area
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • adjusting the sonar range
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • adjusting the TVG
      • assigning custom user settings
      • assigning functions to F1, F2 and F3
      • assigning functions to rotary switches
      • changing the colour palette used in the presentation
      • changing the environmental parameters
      • choosing colour brightness
      • choosing colour scale
      • choosing echo colours
      • choosing the fishing gear in use
      • configuring the sensor interface
      • defining the Ethernet (LAN) port parameters
      • defining the file and folder settings for data recording
      • defining the middle position of the transducer
      • defining the serial port parameters
      • defining the transmission (ping) modes
      • deleting, copying and moving echo data files
      • deleting existing user settings
      • deleting marker using Objects menu
      • deleting marker using shortcut menu
      • enabling Coordinated Universal Time (UTC)
      • hiding the menu system
        • Hiding the menu system when you do not need it
        • Hiding the menu system
        • Main menu
      • 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
      • hoisting the transducer using hand crank
      • hoisting the transducer using Hoist/Lower Switch
      • hoisting the transducer using Hoisting Contactor
      • increasing the visibility of the information panes
      • installing navigation and other sensors (summary)
      • lowering 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
      • lowering the transducer using hand crank
      • lowering the transducer using Hoist/Lower Switch
      • lowering the transducer using Lowering Contactor
      • measuring the size of a school relative to the purse seine
      • moving view to another display
      • placing a marker using operating panel
      • placing the menu on the left side of the presentation
      • rearranging the layout of the presentation
      • recording echo data
      • recording raw data
      • recording sonar data
      • reducing bottom and surface reverberation
      • reducing noise and false echoes
      • reducing noise and reverberation
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reducing propeller noise and interference
      • reducing the light emitted by the display presentation
      • renaming saved user settings
      • replaying raw data
        • Selecting Replay mode
        • Selecting Replay mode
      • restoring original views
      • restoring previous views
      • saving a screen capture
      • saving sequential screen captures
      • saving the current user settings
        • Saving the current user settings
        • Saving the current user settings
      • selecting best operating frequency
        • Selecting operating frequency for minimum noise
        • Selecting the best operating frequency
      • selecting inactive operating mode
      • selecting measurement units
      • selecting menu language
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
      • selecting navigational information on the top bar
      • selecting normal operating mode
        • Selecting Normal mode to start "pinging"
        • Selecting Normal mode to start "pinging"
      • selecting replay file
      • selecting replay operating mode
        • Selecting Replay mode
        • Selecting Replay mode
      • selecting tooltips in the user interface
      • selecting which operating panel to use
      • setting up synchronization
      • setting up the GPS interface
      • setting up the gyro interface
      • setting up the motion reference unit (MRU) interface
      • setting up the navigation sensor interface
      • setting up the speed log interface
      • transmitting single pings
      • transmitting with fixed-time intervals
      • transmitting with maximum ping rate
      • turning off
        • Turning off the ST90
        • Turning off the ST90
      • turning on
        • Turning on the ST90 for normal use
        • Turning on the ST90
      • using previously saved user settings
    • propeller noise
      • reducing
    • publication
      • purpose
      • target audience
    • purpose
      • Horizontal Scroll function
      • Operating Panel
      • this manual
    • range
      • adjusting
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • adjusting the radius of the search area
        • Adjusting the radius of the search area
        • Adjusting the sonar range
      • assign function to rotary switches
    • raw data
      • deleting, copying and moving echo data files
      • recording
      • replaying
        • Selecting Replay mode
        • Selecting Replay mode
    • reader
      • this manual
    • record
      • defining the file and folder settings for data recording
    • recording
      • deleting, copying and moving echo data files
      • echo data
      • raw data
      • sonar data
    • reducing
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing noise and false echoes with the Ping-Ping Filter
      • Reducing noise and false echoes with the Ping-Ping Filter
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
    • reducing interference
    • reducing propeller noise
    • reducing reverberation
      • bottom and surface
    • registered trademarks
    • reminder
      • before you power up
      • important
      • support if something breaks down
      • when the system not in use
      • when you are docking your vessel
      • when you wish to switch off
    • Remove Ruler function
      • description
    • renaming
      • saved user settings
    • replay file
      • selecting
    • replaying
      • raw data
        • Selecting Replay mode
        • Selecting Replay mode
    • replay operating mode
      • selecting
        • Selecting Replay mode
        • Selecting Replay mode
    • Reset Ship Centre function
      • description
    • reverberation
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reducing
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
        • Reducing noise and reverberation with the AGC (Automatic Gain Control) function
      • reducing bottom and surface reverberation
    • rotary switches
      • assigning functions
        • Selecting which Operating Panel to use
        • Assigning functions to the rotary switches on the Operating Panel
    • rules
      • safety
      • transducer handling
    • S302
      • hoisting the transducer
      • lowering the transducer
    • safety rules
    • salinity
      • changing environmental parameters
    • salt water
      • changing environmental parameters
    • save
      • screen capture
      • sequential screen captures
    • saving
      • current user settings
        • Saving the current user settings
        • Saving the current user settings
      • echo data
      • raw data
      • screen capture
      • sequential screen captures
      • sonar data
    • scale
      • choosing colour scale
    • school
      • measuring the size relative to the purse seine
    • screen brightness
      • reducing the light emitted by the display presentation
    • screen capture
      • saving a screen capture
      • saving sequential screen captures
    • search area
      • adjusting the radius
        • Adjusting the radius of the search area
        • Adjusting the sonar range
    • secondary menus
      • how to open
    • select
      • which operating panel to use
    • selecting
      • best operating frequency
        • Selecting operating frequency for minimum noise
        • Selecting the best operating frequency
      • inactive operating mode
      • measurement units
      • navigational information on the top bar
      • normal operating mode
        • Selecting Normal mode to start "pinging"
        • Selecting Normal mode to start "pinging"
      • replay file
      • replay operating mode
        • Selecting Replay mode
        • Selecting Replay mode
      • tooltips in the user interface
    • sensitivity
      • adjusting
        • Adjusting the echo sensitivity
        • Adjusting the gain (echo sensitivity)
    • sensor
      • configuring
    • Sensor Configuration page
      • configuring the sensor interface
      • installing navigation and other sensors (summary)
    • Sensor Installation page
      • installing navigation and other sensors (summary)
      • interfacing a course gyro
      • interfacing a navigation sensor
      • interfacing a speed log
    • sequential
      • saving sequential screen captures
    • serial port
      • defining the communication port parameters
    • Set New Ship Centre function
      • description
    • Set Priority Marker function
      • description
    • settings
      • activating factory default settings
      • deleting existing user settings
      • renaming saved user settings
      • saving the current user settings
        • Saving the current user settings
        • Saving the current user settings
      • using previously saved user settings
    • setup
      • select menu language
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
    • Setup menu
      • description
      • how to open
    • Ship To Centre function
      • description
    • shortcut menus
      • description
      • how to open
    • show
      • Coordinated Universal Time (UTC)
    • Show Gear Symbol function
      • description
    • Simrad
      • registered trademark
      • support
    • SIMRAD
      • registered trademark
    • single ping
      • transmitting single pings
    • size
      • measuring the size of a school relative to the purse seine
    • slave
      • setting up synchronization
    • software
      • version
    • sonar
      • recording data
    • sonar beam
      • adjusting horizontal direction of sonar beam
        • Adjusting the horizontal direction of the sonar beam
        • Adjusting the bearing
    • sonar range
      • adjusting
        • Adjusting the radius of the search area
        • Adjusting the sonar range
    • sonar room
      • hoisting the transducer
        • 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
      • lowering the transducer
        • 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
    • sound speed
      • changing environmental parameters
    • speed log
      • setting up the interface
    • Speed Vector function
      • description
    • suggestions
      • send us
    • support
      • if something breaks down
    • support information
    • surface reverberation
      • reducing
    • switch
      • off
        • Turning off the ST90
        • Turning off the ST90
      • on
        • Turning on the ST90 for normal use
        • Turning on the ST90
    • switch off
      • important reminder
    • synchronization
      • setting up
    • system
      • description
      • diagram
    • system not in use
      • important reminder
    • target audience
      • this manual
    • technical support
      • offices
    • temperature
      • changing environmental parameters
    • this manual
      • purpose
      • target audience
    • time interval
      • transmitting with fixed-time intervals
    • time variable gain
      • adjusting
    • tooltips
      • selecting tooltips in the user interface
    • top bar
      • selecting navigational information
    • Track History function
      • description
    • Tracks function
      • description
    • trademarks
      • registered
    • transducer
      • defining the middle position
      • hoist/lower manually
      • hoisting 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
      • hoisting using hand crank
      • hoisting using Hoist/Lower Switch
      • hoisting using Hoisting Contactor
      • lowering 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
      • lowering using hand crank
      • lowering using Hoist/Lower Switch
      • lowering using Lowering Contactor
    • transducer handling
      • important rules
    • transmission
      • defining the ping mode
    • transmit
      • with maximum ping rate
    • transmitting
      • single pings
    • transparency
      • increasing the visibility of the information panes
    • Transparency function
      • increase the visibility of the information panes
    • turn
      • off
        • Turning off the ST90
        • Turning off the ST90
      • on
        • Turning on the ST90 for normal use
        • Turning on the ST90
    • TVG
      • adjusting
    • units
      • selecting measurement units
    • user interface
      • select language
        • Selecting the language displayed in the menus and dialog boxes
        • Selecting menu language
      • select tooltips
    • user settings
      • activating factory defaults
      • assigning
      • deleting
      • put to use
      • renaming
      • retrieve
      • save
        • Saving the current user settings
        • Saving the current user settings
    • using
      • menu buttons
      • previously saved user settings
    • UTC
      • enable Coordinated Universal Time
    • version
      • software
    • view
      • moving view to another display
    • views
      • rearranging the layout of the presentation
      • restoring original views
      • restoring previous views
    • visibility
      • increasing the visibility of the information panes
    • Visual Objects menu
      • description
      • how to open
    • water temperature
      • changing environmental parameters
    • website
      • download documents
    • when not in use
      • important reminder
    • www.simrad.com
      • document downloads
    • Zoom function
      • description