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User Manual
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Magnetic Deviation
Value, expressed in degrees East or West that indicates the direction in which
the north indicator on the compass card is offset from the magnetic north (the
difference expressed in degrees East or West between the compass north and
the magnetic north).
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Magnetic Variation
Angle between the magnetic and geographic meridians at any place, expressed
in degrees West or East to indicate the direction of magnetic North from true
North. It changes from point to point, and (at the same point) with time.
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Mark
Reference point related to cursor position. Typically it represents by an icon
and label under Mark.
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Natural Features
Any topographic feature formed by the action of natural processes: coastlines,
relief, glaciers.
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Navigate mode
Operating mode (called also Home mode): all operations refer to the ship's
position. Navigate or Navigation mode is also used to indicate that the desti-
nation is placed.
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NMEA-0183
The NMEA-0183 Data Interface Standard was developed by the National Ma-
rine Electronics Association of America. It is an international standard that
enables equipment from many different manufactures to be connected to-
gether and share information.
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OSGB = Ordinance Survey of Great Britain
Coordinate system describing only Great Britain charts. Generally used with
GBR36 datum, which also describes only Great Britain charts. This coordinate
system cannot be used in any other part of the world.
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Pair
Two selectable secondary stations, of a Loran-C chain, which are used to cal-
culate the TD (Time Difference) position of a point in the map area covered by
the selected Loran-C chain.
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Percent Load
Percentage load on the engine at a particular speed.
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Pictures & Diagrams
The MAX data format allows assigning one or more image to any cartographic object.
These
Pictures
are typically used to facilitate the identification of cartographic objects
or places around the map: they can be the landscape layout nearby a harbour, the
shape of a bridge or of a buoy etc. On some objects, such as bridges, the image
associated can represent the
Diagram
representing the shape of the objects and the
various characteristics (length, height, type of bridge etc.).
Fig. 9 - Pictures and Diagrams
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Port Info
Combination of a Port Info database containing all the relevant Safety and
Summary of Contents for MAP 11csE Plus GPS
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