Lowrance electronic 5200C - Manual (Page 41)

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If you're using only the factory-loaded background map, the maximum
zoom range for showing additional map detail is 20 miles. You can con-
tinue to zoom in closer, but the map will be enlarged without revealing
more map content (except for a few major city streets.) Load your own
high-detail custom map made with MapCreate (or a pre-made Free-
domMap from LEI), and you can zoom in to 0.02 miles with massive
amounts of accurate map detail.
Map Pages with high-detail MapCreate map of an urban area loaded
on the MMC. At left, arterial streets appear at the 4 mile zoom range,
with a few Point of Interest icons visible. Center, numerous dots
representing Points of Interest are visible at the 2 mile range, along
with minor streets. Right, at the 0.4 mile zoom, you can see an
interstate highway with an exit, major and minor streets as well
as Point of Interest icons.
Background map vs. MapCreate map content
The background map includes: low-detail maps of the whole world, con-
taining cities, major lakes, major rivers, political boundaries, and me-
dium-detail maps of the United States.
The medium-detail U.S. maps contain: all incorporated cities, shaded
metropolitan areas, county boundaries, shaded public lands (such as
national forests and parks) and some major city streets. Also included
are Interstate, U.S. and state highways, large- and medium-sized lakes
and streams and more than 60,000 navigation aids with 10,000 wrecks
and obstructions in U.S. coastal and Great Lakes waters. New for 2007
are more than 3,000 enhanced lake maps that show better defined
shorelines, depth contours and other underwater features.
MapCreate custom maps include massive amounts of information not
found in the background map. MapCreate contains: the searchable
Points of Interest database, all the minor roads and streets, all the
landmark features (such as summits, schools, radio towers, etc.); more
rivers, streams, smaller lakes and ponds and their names.