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GPSmap 76C
Appendix
Downloading MapSource
Map Data
Garmin MapSource
CD-ROM’s offer a variety of detailed mapping
data and navigation information.
MapSource is also an excellent medium
for storage and safety backup of Personal
Waypoints, Routes and Saved Tracks.
See your Garmin Dealer or visit the Garmin web
site at: www.garmin.com
for information on which maps work with the
GPSmap 76C.
Garmin MapSource
U.S. Topo 24K
Digital Elevation Models
(DEM) Maps
provide elevation data
at any point identified by the
Panning Arrow
Transferring MapSource Map Data
If you have purchased a Garmin MapSource CD-ROM mapping program
you may want to transfer detailed map data before beginning use to provide
your unit with maximum Find features and mapping capability. The
GPSmap 76C accepts up to 115 MB of map data from most MapSource
products. It is not possible to transfer 3rd party maps into Garmin products.
You cannot view multiple types of MapSource data in the same loca-
tion at the same time (one displays over the other). When navigating a
City Select map area, for example, and enter another map covering the
same area, the map higher in the MapSource hierarchy displays over the
other.
Maps that are at the top of the hierarchy will display over any other map
information. Because new maps are constantly being released, consult your
Garmin Dealer or the Garmin website to determine the order of hierarchy.
Map data transfer requires the use of a PC, a Garmin MapSource
CD-ROM, and the Universal Service Bus (USB) cable supplied with this
unit. Follow detailed instructions for data transfer in the MapSource
User’s Manual. Note that downloading maps overwrites any maps already
downloaded to the unit. This includes the Marine Points of Interest data-
base provided with the GPSmap 76C.
It is also important to note that certain features contained in the
GPSmap 76C are not enabled unless you are using mapping data they are
designed to support, such as many of the Find Features and DEM Eleva-
tion Profi les. Visit the Garmin website for details on all of the maps you
can use with the GPSmap 76C.
GPSmap 76C Owner's Guide copy.indd 77 10/5/2004, 1:57:00 PM