Kongsberg Seapath 385 Series Operator's Manual
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Kongsberg Seapath 385 Series Operator's Manual

Kongsberg Seapath 385 Series Operator's Manual

Gnss aided inertial navigation system
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Seapath® 385 series
GNSS aided Inertial Navigation System

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Summary of Contents for Kongsberg Seapath 385 Series

  • Page 1 Operator manual Seapath® 385 series GNSS aided Inertial Navigation System...
  • Page 3 Company shared Seapath 385 GNSS aided Inertial Navigation System Operator Manual 110-0060201/B May 2024 © Kongsberg Discovery AS...
  • Page 4 Kongsberg Discovery disclaims any responsibility for damage or injury caused by improper installation, use or maintenance of the equipment. Disclaimer Kongsberg Discovery AS endeavours to ensure that all information in this document is correct and fairly stated, but does not accept liability for any errors or omissions. Support information If you require maintenance or repair, contact Kongsberg Discovery’s support organisation.

  • Page 5: Table Of Contents

    Operator Manual Table of contents ABOUT THIS MANUAL .............. 7 SEAPATH 385 ................8 System description ......................8 System diagram........................ 11 Product restrictions ......................12 Restrictions in guarantee ..................12 Restrictions in export....................12 Restrictions in use ....................13 Health and safety......................13 Network security......................13 Support information ......................14 GETTING STARTED ..............
  • Page 6 Seapath 385 About post-processing of raw data .................35 Setting up Seapath for post-processing output ............35 Post-processing of raw data in TerraPos ..............36 USER INTERFACE..............40 Display organisation ......................40 Top bar description ......................41 Top bar overview....................42 System modes......................42 Event system description..................43 System status ......................44 Data quality status ....................44 Application menu ....................45...
  • Page 7 Operator Manual Investigating red indicators in DGNSS link status bar ............80 Investigating problems with output to external equipment..........81 Investigating red Heave and Roll/Pitch data quality indicator ........82 Investigating yellow Heave and Roll/Pitch data quality indicator........83 Investigating echo sounder depth error................84 Investigating reduced heave in echo sounder ..............85 Enhancing performance by using GLONASS in RTK solution ........85 Improving position availability when satellite geometry is weak ........86...
  • Page 8 Seapath 385 110-0060201/B...

  • Page 9: About This Manual

    An export license is required for the export of the Inertial Measurement Units MGC and MRU. Registered trademarks ® Seapath is a registered trademark of Kongsberg Discovery AS in Norway and the People's Republic of China. MGC ® is a registered trademark in Norway and Europe. Windows ®...

  • Page 10: Seapath 385

    With the AOC functionality recalibration of the IMU is now longer required. The Seapath 385 series is delivered in the following product range: Seapath with MRU (Motion Reference Unit) • Seapath 385-3 with MRU 3 to 0.010° roll and pitch accuracy •...
  • Page 11 Seapath 385 Note The MRU 3 model part of Seapath 385-3 has to be mounted in a fixed direction relative to the vessel and that is with the connector pointing up or down. Else the performance of the Seapath 385-3 will be degraded. Seapath with MGC (Motion Sensor and Gyro Compass) •...
  • Page 12 Seapath 385 Operator Manual Figure 2 Typical position drift in meters after GNSS dropout in minutes for MRU 3, 5 and 5+ The product has a total of 16 configurable RS-232/422 serial lines and Ethernet ports for output of motion data and NMEA messages to the multibeam and survey computer. Input of DGNSS corrections of various quality and sources are input on a configurable RS-232/422 serial line or Ethernet.

  • Page 13: System Diagram

    Seapath 385 System diagram The system diagram identifies the main components of a Seapath system. The Inertial Measurement Unit connected to the Processing Unit can either be a Motion Sensor and Gyro Compass (MGC) or a Motion Reference Unit (MRU). The IMU components in the red square are not a part of a standard delivery.

  • Page 14: Product Restrictions

    Changes or modifications to the product not explicitly approved by Kongsberg Discovery AS will void the guarantee. The liability of Kongsberg Discovery AS is limited to repair of this product only under the given terms and conditions stated in the sales documents. Consequential damages such as customer's loss of profit or damage to other systems traceable back to this product's malfunctions, are excluded.

  • Page 15: Restrictions In Use

    Resale, transfer or otherwise disposal of the inertial sensor to countries, persons or entities under UN, US, EU or Norwegian embargo/sanctions, is prohibited. Any valid and approved export license granted to Kongsberg Discovery AS from the Norwegian Ministry of Foreign Affairs or the U.S. Government, is not an authorization for you to resell, transfer or other disposal of the inertial sensor.

  • Page 16: Support Information

    Kongsberg Discovery will not accept any responsibility for errors or damages caused by unauthorized use of or access to the Seapath 385 system. Support information If you need technical support for your product you must contact a Kongsberg Discovery office. A list of all our offices is available on our website. •...
  • Page 17 Seapath 385 • : support.seatex@kd.kongsberg.com E-mail address • http://www.kongsberg.com/discovery Website KM-Support App Kongsberg Discovery support is also available in the KM-Support App. Our support application is available for free in the App Store and Google Play. 110-0060201/B...

  • Page 18: Getting Started

    Seapath 385 Operator Manual Getting started Topics Turning on/off procedures, page 16 Operating principles, page 18 User preference procedures, page 22 Turning on/off procedures Topics Turning on the Seapath system, page 16 Turning off the Seapath system, page 17 Restarting the Seapath system, page 18 Turning on the Seapath system Turn on the Seapath system in order to start using the system for operational purposes.

  • Page 19: Turning Off The Seapath System

    Getting started Procedure Turn on the Processing Unit by pressing the power switch located under the lid at the front of the unit. Turn on the HMI Unit. Turn on the display. The software is pre-installed and the system will start automatically after it has been turned on.

  • Page 20: Restarting The Seapath System

    Seapath 385 Operator Manual Related topics System menu, page 66 Investigating large error ellipse in Integrity view, page 79 Connecting the display to the Processing Unit, page 88 Replacing the antenna, page 99 Replacing the antenna cable, page 99 Replacing the Processing Unit, page 101 Replacing the HMI Unit, page 102 Restarting the Seapath system Sometimes it is necessary to restart the system.

  • Page 21: General

    Getting started General The system starts automatically after it has been turned on. It is operated through the operator software installed on the HMI Unit. The software is used for performance monitoring, configuration and system troubleshooting. Normally, the system outputs signals on the serial lines, analog channels and Ethernet ports without any involvement from the user.

  • Page 22: Changing System Modes

    Seapath 385 Operator Manual Changing system modes The system has three modes: Operation, Configuration and Engineering. To be able to make changes to the setup you must be in Configuration or Engineering mode. Context The Configuration or Engineering modes are password protected. The password is .
  • Page 23 Getting started Top bar View 1 View 2 View 3 Procedure Selecting from menu View Select the menu View Select to browse to the next available view in View 2. Browse top views Select to browse to the next available view in View 3. Browse bottom views Select to switch the content of View 1 and View 2.

  • Page 24: User Preference Procedures

    Seapath 385 Operator Manual User preference procedures Topics Selecting colour palette for display, page 22 Selecting presentation format for display, page 23 Selecting default position of views in display, page 23 Selecting colour palette for display You can select a colour scheme for the display which suits your current light conditions. Context function provides colour schemes for the display presentation.

  • Page 25: Selecting Presentation Format For Display

    Getting started Selecting presentation format for display You can select which formats to use for the presentation of various data in the display. Context The display formats you can modify are: Date, time, position, datum and unit system. Procedure Select the menu.
  • Page 26 Seapath 385 Operator Manual Procedure Select the menu → System Operator SW Select View Select which view you want for View 1, View 2 and View 3 from the drop-down lists. Select to save the settings. Apply Related topics Operator software configuration description, page 19 View menu, page 59 System menu, page 66 110-0060201/B...

  • Page 27: Operating Procedures

    Operating procedures Operating procedures Topics Tuning heave measurement performance, page 25 Planning an operation, page 27 Acknowledging events, page 31 Exporting log data, page 32 Exporting system data with FTP, page 34 Post-processing of raw data, page 35 Tuning heave measurement performance Before a survey and/or during operation, check the Seapath heave performance and tune the heave parameters until the best heave performance is achieved.
  • Page 28 Seapath 385 Operator Manual Note If you decide to let the system automatically estimate the heave filter parameters, by selecting , you do not need to observe the heave period Automatic GNSS aided parameter in the Data Viewer Procedure Select the menu →...

  • Page 29: Planning An Operation

    Operating procedures Related topics Tools menu, page 63 Planning an operation Topics Satellite Prediction tool, page 27 Verifying satellite constellation, page 29 Adding or removing shadow sectors in Sky view, page 30 Enabling and disabling satellites, page 31 Satellite Prediction tool is a helpful tool to plan an operation where good accuracy throughout Satellite Prediction the operation is necessary.
  • Page 30 Seapath 385 Operator Manual Number of GPS satellites used (large Start of prediction figure), tracked (small figure). This End of prediction applies to GLONASS, Galileo and Recalculate Sky view and graphs BeiDou satellites, in red squares. Track plot Shadow sector Time selection for time indicator Vessel heading indicator Elevation mask setting...

  • Page 31: Verifying Satellite Constellation

    Operating procedures Galileo satellite Rejected satellite. The satellite is rejected by the position calculation BeiDou satellite algorithms or is reported unhealthy GPS satellite from the almanac. Red satellites are not included in the calculations. GLONASS satellite Correction satellite SBAS satellite Not tracked or disabled satellite.

  • Page 32: Adding Or Removing Shadow Sectors In Sky View

    Seapath 385 Operator Manual Select elevation mask. Select Recalculate Add shadow sector(s) in the sky view area. The graphs will be updated automatically. Observe the information in the graphs. # Sat HDOP Related topics Tools menu, page 63 Sky view, page 48 Adding or removing shadow sectors in Sky view Operations close to large equipment will often result in shadowed satellites and decrease the number of satellites available.

  • Page 33: Enabling And Disabling Satellites

    Operating procedures graphs will be updated automatically when shadow sectors # Sat HDOP are changed. Right-click on a sector and select to delete the added sectors. Remove sector Only the sectors set up in the dialog box, Operator software configuration Sky view will remain.

  • Page 34: Exporting Log Data

    Seapath 385 Operator Manual Select the Event severity symbol, letter A, W or I, for the event to acknowledge the event directly. Observe that the event disappears from the top bar. Or you can select the button, to open the and view all Event list Event list...
  • Page 35 Operating procedures Procedure Insert a USB flash drive into the USB port at the front of the HMI Unit. If you do not insert a USB flash drive, the files will be written to local disk. Select the menu → Tools Data Export Select the start time for the data export from the calendar.

  • Page 36: Exporting System Data With Ftp

    Seapath 385 Operator Manual Exporting system data with FTP The Seapath system contains an FTP (File Transfer Protocol) server which can be used to export files to your computer. Prerequisites You must be familiar with the Processing Unit’s internet protocol (IP) address to be able to connect to it.

  • Page 37: Post-Processing Of Raw Data

    Seapath can output raw GNSS (Global Navigation Satellite Systems) and IMU (Inertial Measurement Unit) data for post-processing with Field Group’s TerraPos. It is recommended to log the data on the Kongsberg Discovery K-Controller system or on another connected logging system. Alternatively, the data can be logged internally in the Seapath system.

  • Page 38: Post-Processing Of Raw Data In Terrapos

    After you have logged the raw data you can process these data using the TerraPos position and attitude post-processing software. Prerequisites Contact Kongsberg Discovery by email: seatex.sales@kd.kongsberg.com and request the TerraPos software and license. Context The TerraPos software integrates satellite positioning and inertial sensors for a full six degrees of freedom solution.
  • Page 39 Install the software using the standard options. Open the TerraPos application and select → → Tools License Tool Copy fingerprint Send the fingerprint to the Kongsberg Discovery sales office. You will now receive a file by email. Select → → Tools License Tool Update softkey...
  • Page 40 Seapath 385 Operator Manual Select if you want to or if you want to Apply new input Keep old input Select Type a TerraPos project name 110-0060201/B...
  • Page 41 Operating procedures , select the directory where you have stored the Seapath raw data directory Seapath raw data on format Post-Processing 1 Select data format, Export format Select datum, Transformation If you do not select anything here, the default datum is ITRF. Select to run the workflow.

  • Page 42: User Interface

    Seapath 385 Operator Manual User interface Topics Display organisation, page 40 Top bar description, page 41 DGNSS link status bar, page 45 Application menu (Menu system), page 46 Display views, page 48 Display organisation The illustration shows the various parts of the display in this system. Various user preference settings can change the appearance of some parts of the display.

  • Page 43: Top Bar Description

    User interface Top bar (with Application menu) View 3 View 2 Position data View 1 Application menu DGNSS link status bar Top bar description Topics Top bar overview, page 42 System modes, page 42 Event system description, page 43 System status, page 44 Data quality status, page 44 Application menu, page 45 110-0060201/B...

  • Page 44: Top Bar Overview

    Seapath 385 Operator Manual Top bar overview The top bar holds system and system status information as well as the Application menu with the various menus in the system. Type of system Number of acknowledged events Current date and time Application menu Data quality status Event list button...

  • Page 45: Event System Description

    User interface Event system description The event system handles events regarding the safety and operation of the system. An event is a notification to the operator of some condition in the system or the controlled process that may need attention. Events which appear in the Seapath application can be set up with different alarm types.

  • Page 46: System Status

    Seapath 385 Operator Manual System status The system has three system states. The system status describes the position integrity level. It is indicated in the Status box of the top bar. The background colour of this box helps indicate the system status. The system states are: : System integrity is OK.

  • Page 47: Application Menu

    User interface Application menu The four menu buttons located to the far right on the top bar make up the Application menu. Select a button to open the menu and reveal a drop-down list of sub-menus. You can also use the key and the underlined letter to open the menu.

  • Page 48: Application Menu (Menu System)

    Seapath 385 Operator Manual • : Data are available and OK. Green • : No data available. Select the link symbol to open the tool for more detailed information DGNSS Monitor about the link status. Related topics View menu, page 59 Tools menu, page 63 Investigating red indicators in DGNSS link status bar, page 80 Application menu (Menu system)
  • Page 49 User interface about the system, such as contact details, software version and equipment information. This menu holds a quick help with shortcut keys for switching display views and changing the colour palette. Related topics Menu system, page 58 110-0060201/B...

  • Page 50: Display Views

    Seapath 385 Operator Manual Display views Topics Sky view, page 48 DGNSS view, page 50 Integrity view, page 51 Compass view, page 54 Motion data view, page 54 Time series view, page 56 Sky view The Sky view display shows which satellites the system is tracking and using in the position calculation.
  • Page 51 User interface Number of used GPS satellites GLONASS satellite Number of tracked GPS satellites Galileo satellite Number of used Galileo satellites GPS satellite Number of tracked Galileo satellites Vessel heading Number of used BeiDou satellites Elevation mask Number of tracked BeiDou satellites Shadow sector Number of used GLONASS satellites Correction satellite...

  • Page 52: Dgnss View

    Seapath 385 Operator Manual When you hover the cursor over a satellite symbol, an information box will appear with the status of the satellite including azimuth, elevation, L1/L2 signal-to-noise ratio and differential correction availability. If the vessel has a gyro interfaced, the display shows the vessel's true heading. The shadow sector represents areas with obstructions.

  • Page 53: Integrity View

    User interface Description The link status for all links is indicated with a colour. • : Correction data are received and used in the position solution. Green • : Correction data are received but not used. Yellow • : No correction data are received through that link. •...
  • Page 54 Seapath 385 Operator Manual Diagram resolution scale, configurable Error ellipse Integrity indication bar value Default position accuracy value, 10 m Integrity indication bar Current EPE (Estimated Position Error) Graphical presentation of EPE over the last 240 seconds Description The error ellipse describes the position quality and the geometry of the position solution. The colour of the ellipse indicates the quality/integrity of the position.
  • Page 55 User interface detected, the actual horizontal position error might exceed the selected integrity limit (95 % confidence level). With only four satellites (three when height aiding is chosen), there is no way to detect a satellite failure, and the system will always be in the state Caution or Unsafe.

  • Page 56: Compass View

    Seapath 385 Operator Manual Compass view The Compass view shows the vessel heading, course over ground (COG) and speed over ground (SOG). The arrow heads indicate the speed according to the speed scale. How to open You can select if you want this view to appear as View 1, View 2 or View 3. Press key to switch between views in View 1 and View 2.
  • Page 57 User interface Example Vessel speed along ship (SL) Vessel pitch Vessel speed transverse ship (ST) Vessel rate of turn (ROT) Vessel roll Vessel speed over ground (SOG) Vessel heave Vessel course over ground (COG) Vessel heading (HDG) Description Longitudinal and transversal speed (SL and ST) are presented together with arrows indicating forward/aft and port/starboard directions.

  • Page 58: Time Series View

    Seapath 385 Operator Manual Time series view This view plots roll, pitch, heave and heading as time series. How to open You can select if you want this view to appear as View 1, View 2 or View 3. Press key to switch between views in View 1 and View 2.
  • Page 59 User interface You can zoom in parts of each plot and pan the time series by dragging the active controls. You can lock the time axis for the time series you want to take a closer look at by selecting the padlock symbol. 110-0060201/B...

  • Page 60: Menu System

    Seapath 385 Operator Manual Menu system Topics View menu, page 59 Alarm menu, page 62 Tools menu, page 63 System menu, page 66 110-0060201/B...

  • Page 61: View Menu

    Menu system View menu menu provide selections for colour palette, switching between views, display View format presentation and display of DGNSS link status bar and/or position data in View 1. How to open Select in the Application menu on the top bar. View Display mode controls the selection of colours used by...
  • Page 62 Seapath 385 Operator Manual Figure 3 Browsing views with F2 key Figure 4 Switching views with F3 key Maximise main view allows you to make View 1 cover the whole screen. This has Maximise main view the same effect as pressing the key.
  • Page 63 Menu system Display format provides alternatives to modify the presentation of various data types. Display format When selecting a view menu item of this group, or hovering the mouse cursor over it, a sub-menu will appear to the left, containing option items for selecting the wanted format. Date format allows you to select between various date formats.

  • Page 64: Alarm Menu

    Seapath 385 Operator Manual Bars allows you to decide whether various status bars shall appear at the bottom or Bars top of View 1 or not. DGNSS links option allows you to display the DGNSS Link status bar at the DGNSS links bottom of View 1.

  • Page 65: Tools Menu

    Menu system the alarms according to alarm severity. You can also acknowledge the selected alarm or all alarms. When an alarm message is acknowledged, but still active, the alarm message text will be grey. The alarm message will only be removed from the list when it becomes inactive.
  • Page 66 Seapath 385 Operator Manual drive with the copied configuration to restore the system configuration at a later date. The use of this application is described in detail in the Installation Manual. Restore Configuration tool restores all relevant configurations from a disk Restore Configuration based archive file or from a USB flash drive.
  • Page 67 Menu system NAV Engine Log tool opens the Windows Explorer in the root folder for the NAV Engine Log NAV Engine log data. If the NAV Engine software is not running on the same unit as the operator software, an FTP (File Transfer Protocol) session is opened on the Processing Unit to which the operator software is connected, rather than a session on the local file system.

  • Page 68: System Menu

    Seapath 385 Operator Manual System menu menu allows you to select monitoring point, configure the system, specify System the contents of the views, change the system modes, stop and log off the system in a controlled way. How to open Select in the Application menu on the top bar.
  • Page 69 Menu system Change system mode allows you to change the system's operating mode. Switching Change system mode to Configuration or Engineering mode requires a password. This password is always "stx" and is not possible to change. The password is not case sensitive. The system will return to Operation mode after 3 minutes of user inactivity.
  • Page 70 Seapath 385 Operator Manual • The HMI Unit • The whole system If you use this command to shut down the units or the whole system the units will shut down in a controlled way. When shutting down the Processing Unit or the whole system, the system will stop all processing, calculation and output from the system for about 2 minutes.

  • Page 71: Troubleshooting

    Troubleshooting Troubleshooting Topics Investigating why LED indicators are not lit, page 70 LED indicators Processing Unit, page 70 LED indicators HMI Unit, page 71 Investigating missing cursor, page 71 Investigating why all data quality status indicators are black, page 72 Investigating why all data quality status indicators are red, page 73 Checking the Processing Unit IP address, page 73 Investigating red Pos/Vel data quality indicator, page 74...

  • Page 72: Investigating Why Led Indicators Are Not Lit

    Seapath 385 Operator Manual System recovery, page 89 Investigating why LED indicators are not lit When you turn on the system, the LED indicators will show normal operation after approximately 30 - 60 seconds. Context The LED indicators are not lit. This may occur if the Processing Unit experiences a power failure.

  • Page 73: Led Indicators Hmi Unit

    Troubleshooting Inertial Measurement Unit (IMU) LED The LED indicates the status of the Inertial Measurement Unit (MGC or MRU). • The LED is green when there is contact with the Inertial Measurement Unit (MGC or MRU) and PPS and data are OK. •...

  • Page 74: Investigating Why All Data Quality Status Indicators Are Black

    If the data quality status indicators are still black after three minutes, this must be investigated. If the data quality indicators are still not turning red, contact your nearest Kongsberg Discovery office. Procedure Power failure Make sure that the Processing Unit receives power.

  • Page 75: Investigating Why All Data Quality Status Indicators Are Red

    If the data quality status indicators are still red after 30 minutes, this must be investigated. If the data quality indicators are still red, contact your nearest Kongsberg Discovery office. Procedure Make sure that the antenna cables and the IMU (Inertial Measurement Unit) cable are properly connected to the Processing Unit.

  • Page 76: Investigating Red Pos/Vel Data Quality Indicator

    If the indicator is still red, the GNSS receiver boards within the Processing Pos/Vel Unit may be damaged. Then the Processing Unit must be shipped back to Kongsberg Discovery AS for repair. Related topics Data quality status, page 44 110-0060201/B...

  • Page 77: Investigating Yellow Pos/Vel Data Quality Indicator

    Make sure that the reference station is functioning. Confirm the status of the reference station with the responsible authorities or contact your nearest Kongsberg Discovery AS office. Make sure that the antenna or the IMU (Inertial Measurement Unit) offset setup is correct.

  • Page 78: Investigating Red Heading Data Quality Indicator

    GNSS receiver boards within the Processing Heading Unit may be damaged. Then the Processing Unit must be shipped back to Kongsberg Discovery AS for repair. A gyro compass is connected to the system: Investigate the steps above.

  • Page 79: Investigating Yellow Heading Data Quality Indicator

    Troubleshooting Make sure that the communication line on which the data from the gyro compass is received, is working properly. Data from the gyro compass is normally input on COM 9. Related topics Data quality status, page 44 System menu, page 66 Tools menu, page 63 Investigating yellow Heading data quality indicator...

  • Page 80: Investigating Yellow Roll/Pitch Data Quality Indicator

    Make sure that the IMU is within the recommended calibration period. If there has been several years since the IMU was last calibrated, you must contact Kongsberg Discovery AS to see if the unit needs recalibration. Related topics Data quality status, page 44...

  • Page 81: Investigating Large Error Ellipse In Integrity View

    Troubleshooting Investigating large error ellipse in Integrity view During operation situations may occur where few satellites are tracked by the receiver. This is indicated with a large error ellipse in the view. Integrity Context This situation is often experienced on vessels working close to offshore platforms or other shadowing objects.

  • Page 82: Investigating Red Indicators In Dgnss Link Status Bar

    Seapath 385 Operator Manual Investigating red indicators in DGNSS link status bar During operation situations may occur where the system does not receive corrections from all the differential correction sources or no differential corrections at all. Context Loss of differential corrections can be seen in the bar at the bottom of DGNSS link status the display.

  • Page 83: Investigating Problems With Output To External Equipment

    Make sure that the connectors are connected to the correct output ports both on the Kongsberg Discovery equipment and on the external equipment. Make sure that the external output configuration of the Processing Unit is set up correctly in the dialog box →...

  • Page 84: Investigating Red Heave And Roll/Pitch Data Quality Indicator

    Seapath 385 Operator Manual Investigating red Heave and Roll/Pitch data quality indicator If the data quality indicators in the top bar are red, a possible Heave Roll/Pitch cause can be that the Processing Unit does not receive any data from the IMU (Inertial Measurement Unit (Motion Sensor and Gyro Compass (MGC) or Motion Reference Unit (MRU).

  • Page 85: Investigating Yellow Heave And Roll/Pitch Data Quality Indicator

    If the system still does not receive signals from the Inertial Measurement Unit after you have carried out the checks below, then the IMU has most likely failed and it has to be shipped to Kongsberg Discovery AS for repair. Procedure Select the menu →...

  • Page 86: Investigating Echo Sounder Depth Error

    Seapath 385 Operator Manual Investigating echo sounder depth error Sometimes the system may experience depth errors in the outer beams on a multi-beam echo sounder. Procedure Make sure that the mounting angle around the z-axis is correct. The oscillations in the depth of the outer beams are correlated with the pitch angle of the vessel.

  • Page 87: Investigating Reduced Heave In Echo Sounder

    Troubleshooting Investigating reduced heave in echo sounder The IMU (Inertial Measurement Unit) may be connected to an echo sounder. Sometimes the echo sounder may experience reduced performance in heave or depth errors in the centre beam. Context Note Be aware that the Seapath outputs heave measurements in the Navigation Reference Point (NRP), and not in the transducer location, unless the vector from the NRP to the transducer head (Monitoring Point, MP) is entered into the NAV Engine Configuration...

  • Page 88: Improving Position Availability When Satellite Geometry Is Weak

    Seapath 385 Operator Manual Search mode The default search mode is mode is recommended used under difficult Normal Safe conditions with much multipath or ionospheric activity and for long baselines. Fast mode is recommended used when a fast RTK solution is required. Note mode the probability for an incorrect solution from the system will increase.

  • Page 89: Enhancing Performance By Setting The Ionospheric Activity

    Troubleshooting order to improve the satellite geometry or reduce multipath. The recommended value range is from 7 to 15 degrees. Procedure Select the menu → → System NAVEngine Standard Select → → Sensors GNSS Processing Select the wanted height aiding value from the drop-down list.

  • Page 90: Connecting The Display To The Processing Unit

    Seapath 385 Operator Manual Procedure Select the menu → → System NAVEngine Standard Select → → Sensors GNSS Processing Select the ionospheric activity from the drop-down list. Ionospheric activity Available values are and High. The default value is Normal Medium Normal Select to save the settings.

  • Page 91: System Recovery

    System recovery In case of a disk crash or other system malfunction, the system may have to be reinstalled. In these cases, consult Kongsberg Discovery AS customer service for guidance on how to reinstall the system. The system is delivered with a system recovery image stored on the internal disk and on a bootable USB flash drive (Backup stick).

  • Page 92: Maintenance

    You have received a USB flash drive with the latest software from Kongsberg Discovery Or you have received a zip file with the latest software via email from Kongsberg Discovery AS. Then you must copy the new software to a USB flash drive. You must...
  • Page 93 Maintenance extract the contents of the zip file to the root folder of a USB flash drive. Make sure that the flash drive contains a folder named Seapath in the root directory after extraction. Context It is recommended to copy the current system configuration both to a USB flash drive and to a folder on the system hard drive before you start the software update procedure.

  • Page 94: Updating The Remote Hmi Unit Software Only

    You have received a USB flash drive with the latest software from Kongsberg Discovery Or you have received a zip file with the latest software via email from Kongsberg Discovery AS. Then you must copy the new software to a USB flash drive. You must extract the contents of the zip file to the root folder of a USB flash drive.

  • Page 95: Investigating The "Navengine Upgrade Failed" Message

    Maintenance Caution If the USB flash drive is removed before prompted by the system, the update will fail and leave the system in an indeterminate state! Procedure Insert the USB flash drive with the software update into the USB port at the front of the HMI Unit.

  • Page 96: Investigating The "Software Upgrade Failed" Message

    Select to view the installation log. Send the log file to Kongsberg Discovery AS customer support. They will use the log file as a tool for further assistance. Investigating the "Software upgrade failed" message If, for some reason, the update of the operator software failed, you must contact Kongsberg Discovery AS customer support for further assistance.

  • Page 97: Creating A Backup Of The Configuration And Software Installation

    Maintenance Related topics System menu, page 66 Creating a backup of the configuration and software installation If you have a complex configuration setup in your system, it can be useful to make a copy of this configuration in case you should need it later. The tool Copy Configuration will copy the system configuration to a disk based archive file or to a USB flash drive.

  • Page 98: Periodic Maintenance

    Seapath 385 Operator Manual Result You can use the USB flash drive with the copied configuration to restore the system configuration at a later date. Related topics Tools menu, page 63 Periodic maintenance Topics Cleaning of Processing Unit air inlet, page 96 Changing fuse in Processing Unit power inlet, page 97 Cleaning the GNSS antenna, page 97 Cleaning of Processing Unit air inlet...

  • Page 99: Changing Fuse In Processing Unit Power Inlet

    Maintenance Changing fuse in Processing Unit power inlet If the unit does not receive power, it could be because of a blown fuse in the power inlet. Context The power inlet has a 5 x 20 mm replaceable glass tube fuse. 2 A, L250.

  • Page 100: Repairs And Parts Replacement

    Procedure Contact the manufacturer’s customer support department • by phone: +47–33032407 • by e-mail: support.seatex@kd.kongsberg.com Provide information about the equipment to the customer support department • what type of equipment you want to return • the serial number for this equipment •...

  • Page 101: Replacing The Antenna

    Maintenance Replacing the antenna If the system performance is reduced, or the system does not work properly, one of the reasons may be a defect antenna. Try to replace the antenna to obtain normal system performance. Context The antenna cable must be as straight as possible. Do not crush or crimp the cable with tie-downs, as this will affect the electrical properties of the cable.

  • Page 102: Repairing The Processing And Hmi Units

    Processing Unit, installation of new software versions and setup of the system, should be carried out by qualified personnel. A failed unit should be shipped back to Kongsberg Discovery AS or other agreed service point for repair.

  • Page 103: Replacing The Processing Unit

    Maintenance Replacing the Processing Unit If the unit fails, it can be replaced by a spare unit. Local repair is not possible. Prerequisites The Processing Unit IBR flash drive which contains a full image of the installed Processing Unit must be available. This procedure is performed on the Processing Unit.

  • Page 104: Replacing The Hmi Unit

    Seapath 385 Operator Manual Replacing the HMI Unit If the unit fails, it can be replaced by a spare unit. Local repair is not possible. Prerequisites The USB recovery flash drive with the HMI Unit backup is available. Context The USB recovery flash drive contains a full image of the installed HMI Unit. You can install the new HMI Unit from this flash drive.
  • Page 105 Maintenance 18 Select from the button in the upper right corner. Restart Shutdown/Restart Related topics Turning off the Seapath system, page 17 110-0060201/B...
  • Page 106 Seapath 385 Operator Manual Index about data quality export license..........7 status............44 maintenance ..........7 data quality indicators black post-processing of raw data ......35 investigating ..........72 product license ..........7 data quality indicators red registered trademarks........7 investigating ..........
  • Page 107 Index investigating ..........85 check Processing Unit IP address...... 73 enabling check satellite tracking ........79 satellites ........... 31 clean air inlet on Processing Unit...... 96 Engineering mode connect display to Processing Unit ....88 description ..........42 copy system configuration ......95 equipment disable satellites..........
  • Page 108 ..........81 IP address checking Processing Unit IP address....73 password system password ......... 20 Pos/Vel indicator red Kongsberg Discovery AS investigating ..........74 support ............ 14 Pos/Vel indicator yellow investigating ..........75 position availability improving ..........86...
  • Page 109 TerraPos ......36 high performance positioning services....7 reception of IMU data support checking..........82–83 Kongsberg Discovery AS....... 14 registered trademarks........7 support information......... 14 removing switching views ..........20 shadow sector in Sky view ......30...
  • Page 110 Seapath 385 Operator Manual system mode satellite constellation ........29 how to change ..........20 version system password ..........20 finding product version........94 system software view upgrading ..........90 Compass ..........54 system status DGNSS age view ........50 description ..........
  • Page 112 ©2024 Kongsberg Discovery AS...

This manual is also suitable for:

Seapath 385-3Seapath 385-5Seapath 385-r2Seapath 385-r3Seapath 385-r4

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