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Questions and Answers
What is the maximum interruption period of power supply for ECDIS without requiring manual re-initialization?
Which requirement must be met for ECDIS operation when there is an emergency power supply?
What happens if the power supply to ECDIS is changed from one source to another?
Under the requirements of SOLAS chapter II-1, what is necessary for ECDIS to operate correctly?
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Which statement is true regarding the transition of power sources for ECDIS?
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What should be continuous when displaying a sea area without the ship on the display?
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How can an operator immediately return to the route monitoring display showing the ship's position?
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What is an essential function to be maintained during route monitoring if a different sea area is displayed?
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Why might an operator choose to display a sea area without the ship's position?
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What should not be interrupted when showing a sea area without the ship?
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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.
