Mobile Crossing WayPoint Map Loader Manual del operador Pagina 99

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SeaMarks manual VI. Menu Reference
99
6.7 Import Waypoints
If you have a database of waypoints in some form and want to import it into the program, use one of the routines in this
section. These files might have come from reading data cards written by your GPS. If you have a file with one of the
extensions: ADM, GDB, GPX, HWR, MPS, RWF, USR, or XML you can open them with FILE>OPEN with
Files_of_type set to *.* or TOOLS>IMPORT WAYPOINTS which will call one of the import routines that follow. If
you have a file from the legacy DOS versions of the program, use the FILE>OPEN routine with Files_of_type set to
DOS version. In Windows 7, the Files_of_type box is just to the right of the File Name box and right over the Open
button.
Most of these import routines will be importing from low capacity SD or CF cards that can be picked up on Ebay
cheaply. Get and use the lowest capacity cards available, as many older GPSs cannot handle high capacity cards (over 2
GB). For some GPSs, only one file can be placed on a card because the file name is fixed, so you may need multiple
cards if you have multiple files to import from multiple GPSs. Some older GPSs use proprietary card types that require
proprietary card readers. Check with us if your GPS uses one of these types.
Most of the file types exchanged between a GPS and a data card are binary files. These files are not readable by a text-
based program like Notepad. All you get is hieroglyphics with a few recognizable characters thrown in. Usually, the
waypoint names and descriptions are readable. None of the binary file types are documented by their creators, so it has
been my task to decipher them well enough to be able read and write them. This understanding is not complete, but it is
functional. Handling multiple variants is tough, so I have tried to import all that I have seen, but export only the most
generic.
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