Power Supply in ECDIS
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Questions and Answers

What is the maximum interruption period of power supply for ECDIS without requiring manual re-initialization?

  • 45 seconds (correct)
  • 60 seconds
  • 30 seconds
  • 90 seconds

Which requirement must be met for ECDIS operation when there is an emergency power supply?

  • It must use a specific type of battery backup.
  • It must function in accordance with SOLAS chapter II-2.
  • It should operate with all necessary equipment for normal functioning. (correct)
  • It must not consume more than a certain amount of power.

What happens if the power supply to ECDIS is changed from one source to another?

  • Manual re-initialization is always required.
  • The equipment will shut down temporarily.
  • The equipment will reset automatically.
  • There should be no requirement for manual re-initialization for a period up to 45 seconds. (correct)

Under the requirements of SOLAS chapter II-1, what is necessary for ECDIS to operate correctly?

<p>The emergency power should be sufficient to maintain normal functions. (B)</p> Signup and view all the answers

Which statement is true regarding the transition of power sources for ECDIS?

<p>It can withstand an interruption without re-initialization for up to 45 seconds. (A)</p> Signup and view all the answers

What should be continuous when displaying a sea area without the ship on the display?

<p>Updating ship's position and providing alerts (B)</p> Signup and view all the answers

How can an operator immediately return to the route monitoring display showing the ship's position?

<p>Through a single operator action (B)</p> Signup and view all the answers

What is an essential function to be maintained during route monitoring if a different sea area is displayed?

<p>Continuous alerts and indications (B)</p> Signup and view all the answers

Why might an operator choose to display a sea area without the ship's position?

<p>For look ahead and route planning purposes (C)</p> Signup and view all the answers

What should not be interrupted when showing a sea area without the ship?

<p>The automatic route monitoring functions (A)</p> Signup and view all the answers

Study Notes

Power Supply in ECDIS

  • ECDIS and its essential equipment must operate using an emergency power source compliant with SOLAS chapter II-1 regulations.
  • Power transitions between sources or interruptions lasting up to 45 seconds shouldn't require manual re-initialization of the equipment.

Display Options for Route Monitoring

  • Two distinct display options are available for route monitoring.

Primary Route Monitoring Display

  • Includes the ship's position and relevant navigational information.

Alternate Display for Lookahead and Route Planning

  • Displays a sea area without the ship's position.
  • This display supports route planning and visualization.
  • This display does not interfere with the primary route monitoring display.

Continuous Route Monitoring Functions

  • Automatic route monitoring functions remain active on the primary display even while the alternative display is being used.
  • This ensures continuous updates of ship’s position, alerts, and indications.

Switching between Displays

  • A single operator action is required to return to the primary route monitoring display.

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Description

This quiz covers the crucial aspects of power supply in ECDIS systems, including compliance with SOLAS chapter II-1 regulations. It examines the requirements for emergency power sources and the protocols for power transitions during operation.

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