ECDIS Questions: Hardest Quiz! Trivia

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ECDIS Questions: Hardest Quiz! Trivia - Quiz

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Questions and Answers
  • 1. 

    ( X ) of ECDIS can work with the built-in UPS battery for ( Y ) during the ship’s main power blackout. When the ship’s power is restored within ( Y ), the ECDIS is not required to be manually re-initialized. 

    • A.

      (X) Main Unit (Y) 1 minute

    • B.

      (X) Display unit (Y) 3 minutes

    • C.

      (X) Main unit & display unit (Y) 1 minute

    • D.

      (X) Main unit & display unit (Y) 3 minutes

    Correct Answer
    A. (X) Main Unit (Y) 1 minute
    Explanation
    The correct answer is (X) Main Unit (Y) 1 minute. This means that only the main unit of the ECDIS can work with the built-in UPS battery for 1 minute during the ship's main power blackout. If the ship's power is restored within 1 minute, the ECDIS does not need to be manually re-initialized. This suggests that the main unit has a backup power source that allows it to continue functioning for a short period of time without external power.

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  • 2. 

    What is the correct statement concerning the HDDs installed in the ECDIS equipment?

    • A.

      If the master hard disk drive has a malfunction, the ECDIS can not be operated

    • B.

      Although the backup HDD has a malfunction, the ECDIS initiates no alarm

    • C.

      If the master hard disk drive has a malfunction, the ECDIS automatically changes the master hard disk drive over to the backup hard disk drive

    • D.

      The ECDIS normally works with dual drives

    Correct Answer
    D. The ECDIS normally works with dual drives
    Explanation
    The correct statement concerning the HDDs installed in the ECDIS equipment is that the ECDIS normally works with dual drives. This means that there are two hard disk drives installed, one acting as the master and the other as the backup. If the master hard disk drive malfunctions, the ECDIS automatically switches over to the backup hard disk drive to ensure continuous operation.

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  • 3. 

    What is the correct procedure concerning the operation of ECDIS shut-down? 

    • A.

      Press and hold the POWER button until turning off ECDIS

    • B.

      Press and release the POWER button

    • C.

      Shut down the Windows program after exiting the ECDIS application

    • D.

      Turn off the breaker of the distribution panel

    Correct Answer
    B. Press and release the POWER button
    Explanation
    To correctly shut down the ECDIS system, the procedure is to press and release the POWER button. This action will initiate the shut-down process and power off the ECDIS system.

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  • 4. 

    Which is the correct statement, concerning the Event mark? 

    • A.

      The Event mark indicated on the chart is deleted with the “S-57/C-MAP/ARCS Information” menu

    • B.

      The Event mark indicated on the chart, is deleted with the “Other Information” menu

    • C.

      The Event mark indicated on the chart, can not be deleted

    • D.

      The Event mark indicated on the chart is automatically deleted 90 days from its input date on the chart

    Correct Answer
    B. The Event mark indicated on the chart, is deleted with the “Other Information” menu
    Explanation
    The correct statement concerning the Event mark is that it is deleted with the "Other Information" menu.

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  • 5. 

    Which of the below, is the correct meaning of “Not yet” displayed on the update history when displaying the chart information?  

    • A.

      “Not yet” means that the chart is not updated because the validity period of the AVCS permit has expired

    • B.

      “Not yet” means that the contents of chart update contents is not accepted by the user

    • C.

      “Not yet” means that update of the chart has not been completed

    • D.

      “Not yet” means update process of the chart was interrupted

    Correct Answer
    B. “Not yet” means that the contents of chart update contents is not accepted by the user
  • 6. 

    Which is the correct statement concerning the “!” button on the Display panel?

    • A.

      When color of “!” button is red, some information belonging to the standard display category is not displayed

    • B.

      When color of “!” button is red, some information belonging to the “other information” category is not displayed

    • C.

      When color of “!” button is red, ECDIS finds some problem with the ENC data

    • D.

      When color of “!” button is red, ECDIS finds some problem with the ECDIS hardware

    Correct Answer
    A. When color of “!” button is red, some information belonging to the standard display category is not displayed
    Explanation
    When the color of the "!" button on the Display panel is red, it indicates that some information belonging to the standard display category is not displayed. This means that there may be missing or incomplete information on the screen, which could affect the accuracy and completeness of the displayed data. It is important for the user to address this issue and ensure that all necessary information is being properly displayed for safe navigation.

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  • 7. 

    The own ship’s position panel in the display panel is the colored sky blue. Which is the correct alternative, concerning displayed the own ship’s position?

    • A.

      The own ship’s position is not fixed by GPS

    • B.

      The own ship’s position is not fixed by D-GPS

    • C.

      Geographic system of GPS is not WGS-84

    • D.

      The own ship’s position is positioned by entering the offset value

    Correct Answer
    D. The own ship’s position is positioned by entering the offset value
    Explanation
    The correct alternative is that the own ship's position is positioned by entering the offset value. This means that the position of the ship is determined by manually inputting the offset value, rather than being fixed by GPS or D-GPS. Additionally, the geographic system of GPS is not relevant to the positioning of the own ship's position.

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  • 8. 

    Which of the following is the correct statement concerning the setup of the safety contour? 

    • A.

      If ship is 8.3m draft, the set value of safety contour may be 8m

    • B.

      If ship is 8.3m draft, the set value of safety contour may be 9m

    • C.

      If ship is 8.3m draft, the set value of safety contour may be 10m because chart has 5m, 10m, 20m and 200m depth data on the chart.

    • D.

      If ship is 8.3m draft, the set value of safety contour may be 5m for safe navigation

    Correct Answer
    C. If ship is 8.3m draft, the set value of safety contour may be 10m because chart has 5m, 10m, 20m and 200m depth data on the chart.
    Explanation
    The correct statement concerning the setup of the safety contour is that if the ship has a draft of 8.3m, the set value of the safety contour may be 10m because the chart contains depth data of 5m, 10m, 20m, and 200m. This means that setting the safety contour at 10m would allow for safe navigation within the available depth data on the chart.

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  • 9. 

    Which of the following statements is correct concerning the safety check function for planning a route? 

    • A.

      The leg is colored red, if ECDIS finds that the planned speed is over the maximum speed pre-planned with the safety check function

    • B.

      The route created with the route plan has completed the safety check for saving in the ECDIS

    • C.

      The danger leg is colored yellow if ECDIS detects that a dangerous condition exists in the objective route by using the safety check function

    • D.

      Performing safety check area which is not covered with ENC, is futile.

    Correct Answer
    D. Performing safety check area which is not covered with ENC, is futile.
    Explanation
    The correct answer states that performing a safety check in an area that is not covered with Electronic Navigational Charts (ENC) is futile. This means that if the area does not have digital charts, the safety check function cannot accurately assess the safety of the route. ENC is a digital database of navigational charts, and without it, the safety check function cannot effectively analyze the route for potential dangers. Therefore, attempting to perform a safety check in an area without ENC would be pointless.

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  • 10. 

    Which of the following is the correct statement concerning the function of the export /import route file? 

    • A.

      The route plan which is exported from the ECDIS can be edited on PC

    • B.

      The route plan which is exported from the ECDIS can be edited on PC using the proprietary software which is supplied by JRC.

    • C.

      Route data input missing value can be imported into the ECDIS

    • D.

      Anti-virus software is installed in the ECDIS for importing data with a USB type memory

    Correct Answer
    A. The route plan which is exported from the ECDIS can be edited on PC
    Explanation
    The correct statement concerning the function of the export/import route file is that the route plan exported from the ECDIS can be edited on a PC. This implies that the route plan can be modified or adjusted using a computer, indicating that it is editable on a personal computer.

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  • 11. 

    Which of the following, is the correct statement concerning the Route planning function with Table editing? 

    • A.

      When color of “WP” in the table is yellow, it means that a danger condition has been found on the planned route with the safety check function

    • B.

      When color of “WP” in the table is yellow, it means that the limit check function has found that the design limits described in the ship’s parameters on the planned route, has been exceeded.

    • C.

      When color of “WP” in the table is yellow, it means that object leg is being edited for GC(Great Circle) sailing

    • D.

      When color of “WP” in the table is yellow, it means that object leg is being edited for RL( Rhumb Line) sailing

    Correct Answer
    B. When color of “WP” in the table is yellow, it means that the limit check function has found that the design limits described in the ship’s parameters on the planned route, has been exceeded.
  • 12. 

    The own ship’s data related to navigation is stored for:

    • A.

      15 days

    • B.

      30 days

    • C.

      60 days

    • D.

      90 days

    Correct Answer
    D. 90 days
    Explanation
    The own ship's data related to navigation is stored for 90 days. This duration allows for a significant amount of historical data to be retained, which can be useful for various purposes such as analysis, troubleshooting, and compliance. Storing the data for a longer period ensures that any potential issues or incidents can be thoroughly investigated and reviewed. Additionally, it allows for a comprehensive understanding of the ship's navigation patterns and performance over an extended period of time.

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  • 13. 

    Which of the following, is the correct statement concerning the function of audible alarm? 

    • A.

      Volume of all audible alarms can be adjusted to silent

    • B.

      Volume of some audible alarms can be adjusted to silent, excepting High priority alarm (e.x. GPS data lost)

    • C.

      Volume of all audible alarms volume can be adjusted, however, can not be adjusted to silent

    • D.

      Volume of all audile alarms is not adjusted

    Correct Answer
    A. Volume of all audible alarms can be adjusted to silent
    Explanation
    The correct statement concerning the function of an audible alarm is that the volume of all audible alarms can be adjusted to silent.

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  • 14. 

    Which of the following, is the correct statement concerning the setup of the AIS Filter for displaying AIS targets located less than 20 miles from your own ship position?

    • A.

      “Filter Mode” : Priority   “ Ring” : 20 NM

    • B.

      “Filter Mode” : Display   “ Ring” : 20 NM

    • C.

      “Filter Mode” : Priority   “ Sector” : 20 °

    • D.

      “Filter Mode” : Display   “ Sector” : 20 °

    Correct Answer
    B. “Filter Mode” : Display   “ Ring” : 20 NM
    Explanation
    The correct statement concerning the setup of the AIS Filter for displaying AIS targets located less than 20 miles from your own ship position is "Filter Mode: Display" and "Ring: 20 NM". This means that the filter is set to display AIS targets within a distance of 20 nautical miles from your ship position.

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  • 15. 

    Which of the following, is the correct statement concerning the User map function?

    • A.

      Information edited with the User-map function, belongs to the “other information” category and is colored orange

    • B.

      Information and symbol edited with the User-map can be placed on the chart by only cursor operation and can not be placed on the chart by inputting the position (Latitude/Longitude)

    • C.

      The warning line edited with the User-map function is detected as a danger object by the alarm detection sector

    • D.

      All objects edited with the User-map function is displayed on all display categories (Base, Standard, Other)

    Correct Answer
    D. All objects edited with the User-map function is displayed on all display categories (Base, Standard, Other)
    Explanation
    The correct statement concerning the User map function is that all objects edited with the User-map function are displayed on all display categories (Base, Standard, Other). This means that any information or symbol that is edited using the User-map function will be visible in all three display categories, regardless of the category they originally belonged to. This allows for a comprehensive and consistent representation of the edited objects across all display categories.

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  • 16. 

    Which of the following, is the correct statement concerning the COG vector and the HDG vector? (COG: Course Over Ground  HDG: Heading) 

    • A.

      Length of the COG vector and the HDG vector are fixed

    • B.

      Length of the COG vector and the HDG vector are changeable by speed-through-water

    • C.

      Bearing of the COG vector is set by GPS, Bearing of the HDG vector is set by GYRO

    • D.

      Bearing of the COG vector and the HDG vector are set by GPS

    Correct Answer
    C. Bearing of the COG vector is set by GPS, Bearing of the HDG vector is set by GYRO
    Explanation
    The COG vector represents the direction of the vessel's movement over the ground, and its bearing is set by GPS. On the other hand, the HDG vector represents the direction the vessel is pointing, and its bearing is set by the gyro.

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  • 17. 

    Which of the following, is the correct statement concerning the Radar overlay function?

    • A.

      Radar-video displayed on the ECDIS, is manually adjusted on ECDIS

    • B.

      Radar-video displayed on the ECDIS, is adjusted by RADAR

    • C.

      Radar-video displayed on the ECDIS, is automatically adjusted by ECDIS

    • D.

      Radar-video displayed on the ECDIS, can not be adjusted in any way

    Correct Answer
    A. Radar-video displayed on the ECDIS, is manually adjusted on ECDIS
    Explanation
    The correct statement concerning the Radar overlay function is that the radar-video displayed on the ECDIS is manually adjusted on the ECDIS. This means that the user of the ECDIS system has the ability to manually adjust the radar-video display according to their preferences or specific requirements.

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  • 18. 

    Which of the following, is the correct statement concerning the TT (Target Tracking) displayed on ECDIS?

    • A.

      Target number of TT is automatically assigned by ECDIS

    • B.

      Target number of TT is assigned by manual operation on the ECDIS

    • C.

      Target number of TT is automatically assigned by RADAR

    • D.

      Target number of TT is assigned by manual operation on RADAR

    Correct Answer
    C. Target number of TT is automatically assigned by RADAR
    Explanation
    The correct statement concerning the TT (Target Tracking) displayed on ECDIS is that the target number of TT is automatically assigned by RADAR. This means that the ECDIS system uses the radar data to automatically assign a target number to each target being tracked. It does not require any manual operation on the ECDIS or radar to assign the target number.

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  • 19. 

    Which of the following, is the correct statement concerning the AVCS Chart data update operation?

    • A.

      If updating by using the latest AVCS Update CD, even in the case of receiving the latest AVCS Base CD, it is not necessary to update by the AVCS Base CD.

    • B.

      If receiving the latest AVCS Base CD and latest the AVCS, Update CD, update by the AVCS Update CD after installing charts by latest the AVCS Base CD.

    • C.

      Update by only the AVCS Base CD.

    Correct Answer
    B. If receiving the latest AVCS Base CD and latest the AVCS, Update CD, update by the AVCS Update CD after installing charts by latest the AVCS Base CD.
    Explanation
    The correct statement concerning the AVCS Chart data update operation is that if you receive the latest AVCS Base CD and the latest AVCS Update CD, you should update by using the AVCS Update CD after installing the charts using the AVCS Base CD. This means that the AVCS Update CD should be used for updating the charts after the initial installation using the AVCS Base CD and the latest updates should be applied in this manner.

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  • 20. 

    Which of the following, is the correct statement concerning the AVCS cell permit?

    • A.

      If the period of validity of the AVCS cell permit has expired, the chart is not displayed.

    • B.

      If the period of validity of the AVCS cell permit has expired, the chart is displayed with a warning message.

    • C.

      If the period of validity of the AVCS cell permit has expired, the chart is displayed for 10 minutes.

    • D.

      If the period of validity of the AVCS cell permit has expired, the chart is displayed in the same way as before the cell permit expires.

    Correct Answer
    B. If the period of validity of the AVCS cell permit has expired, the chart is displayed with a warning message.
    Explanation
    When the period of validity of the AVCS cell permit has expired, the correct statement is that the chart is displayed with a warning message. This means that even though the permit has expired, the chart is still shown to the user. However, a warning message is displayed to inform the user that the permit has expired. This allows the user to be aware of the expiration and take appropriate action if necessary.

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  • 21. 

    1. It is possible to synchronize chart updates between multiple ECDIS's (JAN-701/901/2000). 2. Each ECDIS has a unique permit. Which of the above is true or false?

    • A.

      1 = True , 2 = True

    • B.

      1 = True , 2 = False

    • C.

      1 = False , 2 = True

    • D.

      1 = False , 2 = False

    Correct Answer
    C. 1 = False , 2 = True
    Explanation
    The given answer states that the first statement is false and the second statement is true. This means that it is not possible to synchronize chart updates between multiple ECDIS's, but each ECDIS does have a unique permit.

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  • 22. 

    With the file manager, we can transfer the following information by LAN.

    • A.

      Voyage log data

    • B.

      Screen Shot (MANU)

    • C.

      Logbook

    • D.

      User chart

    Correct Answer
    D. User chart
    Explanation
    The correct answer is "User chart" because the question states that with the file manager, we can transfer certain information by LAN. Out of the options given, "User chart" is the only one that fits the criteria of being transferable through LAN.

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  • 23. 

    If zone of confidence is A1 then which of the following statements are true or false?
    1. The number of stars in the quality of data symbol is 5
    2. The echosounder accuracy at a depth of 100 meter is +/- 3meters

    • A.

      1 = True , 2 = True

    • B.

      1 = True , 2 = False

    • C.

      1 = False , 2 = True

    • D.

      1 = False , 2 = False

    Correct Answer
    D. 1 = False , 2 = False
  • 24. 

    Which is true or false? 1.           The anchor watch area is always a circle 2.           The centre of the anchor watch area is the CCRP point

    • A.

      1 = True , 2 = True

    • B.

      1 = True , 2 = False

    • C.

      1 = False , 2 = True

    • D.

      1 = False , 2 = False

    Correct Answer
    B. 1 = True , 2 = False
    Explanation
    The first statement is true because the anchor watch area is indeed always a circle. However, the second statement is false because the center of the anchor watch area is not necessarily the CCRP (Computed Constant Radius Point) point.

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  • 25. 

    Which is true or false? 1.           It is possible to set up a filter for AIS. 2.           It is possible to filter Navtex messages depending on ship's position.

    • A.

      1 = True , 2 = True

    • B.

      1 = True , 2 = False

    • C.

      1 = False , 2 = True

    • D.

      1 = False , 2 = False

    Correct Answer
    B. 1 = True , 2 = False
    Explanation
    It is possible to set up a filter for AIS, which stands for Automatic Identification System. AIS is a system used for tracking and identifying vessels, and filters can be applied to narrow down the information received. However, it is not possible to filter Navtex messages depending on a ship's position. Navtex is a system used for transmitting navigational and meteorological warnings to ships, and the messages are broadcasted to all vessels within range without the ability to be filtered based on position. Therefore, the correct answer is 1 = True, 2 = False.

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  • 26. 

    The route limit check will show an error when:

    • A.

      The leg length is shorther than 500 meter

    • B.

      The leg length is longer than the Ꚍ*L(ship)

    • C.

      The leg length is shorther than ships length

    • D.

      The leg length is shorter then Ꚍ*L(ship)

    Correct Answer
    D. The leg length is shorter then Ꚍ*L(ship)
    Explanation
    The correct answer is that the route limit check will show an error when the leg length is shorter than Ꚍ*L(ship). This means that if the distance between two points on the route is less than the product of the constant Ꚍ and the length of the ship, an error will occur. This check is likely in place to ensure that the ship has enough space to navigate safely and to prevent any potential accidents or damage to the ship.

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  • 27. 

    If the obstruction is added in the chart by use of manual update then what is the correct answer:

    • A.

      The obstruction symbol is always the same symbol.

    • B.

      The obstruction symbol can change by editing the attributes of the obstruction.

    • C.

      After saving the manual update it is not possible to delete it anymore.

    • D.

      No alert will be raised when the look ahead area detects the manual updated obstruction, when the manual updated obstruction is less deep then the safety contour.

    Correct Answer
    B. The obstruction symbol can change by editing the attributes of the obstruction.
    Explanation
    The correct answer is "The obstruction symbol can change by editing the attributes of the obstruction." This means that if an obstruction is manually added to the chart, its symbol can be modified by changing its attributes. This allows for flexibility in representing different types or characteristics of obstructions on the chart. The other options in the question do not address the ability to change the obstruction symbol.

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  • 28. 

    What is the correct answer concerning with the display of shallow water dangers option?

    • A.

      Isolated dangers inside of safety and shallow contour area will be displayed with a  mark

    • B.

      Isolated dangers that are more shallow than the depth set in safety contour setting will be displayed with a  mark

    • C.

      Isolated dangers that are more shallow than the depth set in safety depth setting will be displayed with a   mark

    • D.

      Isolated dangers that are more shallow than the deep contour setting will be displayed with a  mark

    Correct Answer
    B. Isolated dangers that are more shallow than the depth set in safety contour setting will be displayed with a  mark
    Explanation
    The correct answer states that isolated dangers that are more shallow than the depth set in safety contour setting will be displayed with a mark. This means that if the depth of an isolated danger is less than the safety contour depth, it will be marked on the display. This helps to identify potential hazards in shallow water areas.

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  • 29. 

    What is the correct answer concerning with the Fix View Option?

    • A.

      Hide all charts when activated

    • B.

      There is a warning alert when activated

    • C.

      Hide the 90% of chart database

    • D.

      Display only the currently viewed chart(s)

    Correct Answer
    D. Display only the currently viewed chart(s)
    Explanation
    The correct answer is "Display only the currently viewed chart(s)". This means that when the Fix View Option is activated, only the chart(s) that are currently being viewed will be displayed. This option allows the user to focus on the specific chart(s) they are interested in without being distracted by other charts that are not currently being viewed.

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  • 30. 

    What does the following symbol indicate?

    • A.

      Selected AIS target

    • B.

      Selected ARPA target

    • C.

      Activated AIS target

    • D.

      Danger ARPA target

    Correct Answer
    C. Activated AIS target
    Explanation
    The symbol "Activated AIS target" indicates that a specific AIS target has been selected or activated. AIS stands for Automatic Identification System, which is a tracking system used in maritime navigation to identify and locate vessels. By activating a target, it means that the user has chosen to focus on a particular AIS target for monitoring or further actions.

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  • 31. 

    What is the correct answer concerning with USER MAP?

    • A.

      Alert will be activated only when danger detection vector or sector crosses Polygon area

    • B.

      Alert will be activated only when danger detection sector crosses Warning area

    • C.

      Alert will be activated only when danger detection vector crosses Warning area

    • D.

      Neither of the above

    Correct Answer
    C. Alert will be activated only when danger detection vector crosses Warning area
    Explanation
    The correct answer is "Alert will be activated only when danger detection vector crosses Warning area." This means that the alert will only be triggered when the danger detection vector, which represents the direction or path of a potential danger, crosses the warning area. The other options mention either a polygon area or a danger detection sector, which are not relevant to the activation of the alert.

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  • 32. 

    What is the correct answer concerning with AIS/TT filter?

    • A.

      Hide all AIS targets and ARPA targets

    • B.

      Display only the AIS targets inside of filter area in priority filtering mode

    • C.

      Display only AIS targets inside the filter area in display filtering mode

    • D.

      Show you up to 300 AIS targets in priority filtering mode

    Correct Answer
    D. Show you up to 300 AIS targets in priority filtering mode
    Explanation
    The correct answer is "Show you up to 300 AIS targets in priority filtering mode." This means that when the AIS/TT filter is set to priority filtering mode, it will display up to 300 AIS targets.

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  • 33. 

    What an Acquisition Zone area (AZ) does?

    • A.

      Monitor sleeping AIS and ARPA targets

    • B.

      When an AIS target enters AZ area the CPA/TCPA information is displayed

    • C.

      When a sleeping AIS target enters AZ area is automatically activated

    • D.

      Neither of the above

    Correct Answer
    C. When a sleeping AIS target enters AZ area is automatically activated
    Explanation
    When a sleeping AIS target enters an Acquisition Zone area (AZ), it is automatically activated. This means that the system recognizes the presence of the sleeping AIS target and initiates its monitoring and tracking. The AZ area is designed to monitor both sleeping AIS and ARPA targets, but in this specific case, the focus is on the activation of the sleeping AIS target.

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  • 34. 

    The PSC request evidence (date, time, Intersection of LOP’S and offset) for a past Line of Position.

    • A.

      By right click select other information and left click on the mark of LOP

    • B.

      ECDIS cannot display you evidence when more than 3 LOP’S are applied

    • C.

      ECDIS Logbook displays these information

    • D.

      If you applied less than 3 LOP’S you can display the above information

    Correct Answer
    C. ECDIS Logbook displays these information
    Explanation
    The correct answer is that the ECDIS Logbook displays this information. This means that if the PSC (Port State Control) requests evidence for a past Line of Position (LOP), such as the date, time, intersection of LOP's, and offset, the ECDIS Logbook can provide this information. The ECDIS (Electronic Chart Display and Information System) is a navigation system used on ships, and it keeps a record of important navigational data, including past LOP's. Therefore, if the ship has applied less than 3 LOP's, the ECDIS Logbook can display the requested evidence.

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  • 35. 

    In case the GPS info on the ECDIS fails but GPS works properly, which from the following Action is correct?

    • A.

      Switch to DR mode from sensor Menu and decrease the XTL limits when you are in monitoring.

    • B.

      Confirm the Vessel position by using LOP function

    • C.

      Switch to DR mode from sensor Menu and type manually the position using the ''Position offset Menu - Enter position function''

    • D.

      Neither of the above

    Correct Answer
    C. Switch to DR mode from sensor Menu and type manually the position using the ''Position offset Menu - Enter position function''
    Explanation
    If the GPS information on the ECDIS fails but the GPS itself is working properly, the correct action would be to switch to DR mode from the sensor menu and manually enter the vessel's position using the "Position offset Menu - Enter position function". This allows the navigator to input the correct position manually and continue monitoring the vessel's position accurately. The other options of confirming the vessel position using the LOP function or decreasing the XTL limits are not appropriate in this scenario.

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  • 36. 

    Which of the following statements are true or false? 1. When planning a route there are limit check and safety check errors, the ECDIS does not allow you to start TCS route auto sail. 2. When planning a route there are limit check and safety check errors, but the user disregards the safety check errors, the ECDIS allows you to start TCS route auto sail.

    • A.

      1 = True , 2 = True

    • B.

      1 = False , 2 = True

    • C.

      1 = True , 2 = False

    • D.

      1 = False , 2 = False

    Correct Answer
    C. 1 = True , 2 = False
    Explanation
    When planning a route, if there are limit check and safety check errors, the ECDIS does not allow you to start TCS (Track Control System) route auto sail. Therefore, statement 1 is true. However, if the user disregards the safety check errors, the ECDIS does not allow the user to start TCS route auto sail. Therefore, statement 2 is false.

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  • 37. 

    When Disk 1 Error occurs in JAN-901B/701B which of the following actions is correct?

    • A.

      Proceed to ECDIS recovery by image CD

    • B.

      Switch to back up drive (disk2) by User Maintenance menu until service is carried out

    • C.

      As for service attendance

    • D.

      Neither of the above

    Correct Answer
    B. Switch to back up drive (disk2) by User Maintenance menu until service is carried out
    Explanation
    When Disk 1 Error occurs in JAN-901B/701B, the correct action is to switch to the backup drive (disk2) by using the User Maintenance menu until the service is carried out. This ensures that the system can continue to function properly while the necessary repairs or maintenance are being done on the primary disk. By switching to the backup drive, the user can avoid any disruptions or loss of data that may occur due to the error on Disk 1.

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