ECDIS User manual
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as shown:
Depth unit: Displays the water depth unit set in the system settings.
Height unit: Displays the water depth unit set in the system settings.
Water depth reference: The depth starting point in ocean measurements.
Vertical datum: The starting point of the land elevation.
Horizontal reference: The horizontal reference plane, usually WGS-84.
Release Date: Displays the release date of the vessel 's frame.
Update Date: Displays the update date of the vessel 's frame.
Safety isobath: Displays the value of the safety contour setting in the chart settings.
Safe Water Depth: Displays the value of the safe water depth setting in the chart setting.
Version number: Displays the version number of the map where the vessel is located.
Update No.: Displays the update number of the map where the vessel is located.
Chart scale: The maximum chart scale for the map where the vessel is located.
Data Quality: Displays the data quality of the map in which the vessel is located.
Chart projection: Shows how the chart is projected.
Representation library: A representation library showing the frame where the vessel is
located.
Magnetic Difference: Displays the magnetic declination of the position of the vessel .
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