● Depth Line
(Also called Bathymetric Line) Imaginary line connecting points of equal water depth.
● Destination
In order to tag on the chart the point, towards which the ship is Heading, you can use a special
mark, called destination. When the destination is placed, all navigation data referred to this point.
● DPT = Depth from Transducer
Water Depth below the Transducer. The Distance from the Depth Transducer to the ground.
● DST = Distance
Geographical distance between two points on the map. It is possible to select the unit among Nm,
Sm and Km.
● ETA = Estimated Time of Arrival
Predicted time of reaching a destination or Waypoint
● Fix
Current position of the vessel provided by the GPS (connected to the chart plotter or built-in) or
other positioning systems.
● Fix Status
Indicates the quality of the position fix signal.
● Fuel Consumption Rate
Estimated fuel consumption rate (per hour) of an engine boat referred to its relative estimated
cruising speed.
● GNSS = Global Navigation Satellite System
Any single or combined navigation system based on satellites. The current available satellites
systems are: GPS, GLONASS and the combined GPS and GLONASS.
● Goto
Function that defines the destination point and activates the navigation to it. The destination can
be placed on any location of the map, an existing Mark point or on a predefined Route.
● GPS = Global Positioning System
Satellite based navigation system operated by the US Department of Defense. It gives the
navigator a position 24 hours a day, 365 days a year under any weather conditions.
● HDG = Heading
Horizontal direction in which a ship actually points or heads in any moment (see also COG).
● HDOP = Horizontal Dilution Of Precision
Precision of the positioning system (GPS). The smaller HDOP value indicates higher position
accurately.
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