User manual

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See your list of available maps from ‘Main menu > Data > Maps’ (all maps
available at ‘TwoNavData/Maps’ folder for your present position).
Important: Remember that more map formats can be imported and converted to
the supported formats from Land/Air software (Windows/Mac platforms), more
information at http://www.CompeGPS.com
5.1.3 Properties
Enter the properties of a map from: ‘Main menu > Data > Maps > Press the name
of any opened element’:
 Name: Name of the map file.
 Description: Short description about the map by the provider.
 Type: Type of map.
 Scale: Meters of land per each map pixel.
 Resolution: Meters that fit into the rectangles that make up the
landscape. The more meters fitting into a square, the more detailed map.
 Primary: In case of conflict between maps, if this field is marked, other
maps will be adapted to this one.
 Projection: Projection used to calibrate the map. There are several types
of cartographic projections classified depending on the areas they cover.
 Extension: Width and height of the area covered by the map.
 Lines/Columns: Number of lines/columns the landscape is made up of
(altitude/width)
 Datum: Used to translate the positions of elements
(waypoints/tracks/routes) to the exact position on the earth. Datum
systems is needed because the earth is an imperfect ellipsoid.
 Memory used: RAM memory used by the uncompressed map.
 Image: Name and size of the image used to produce the resulting map as
well as the color quality of the map.
 Transparent: Regulate the level of transparency of the map allowing you
to work with several maps at the same time overlapping them in different
layers.