Lowrance electronic Mapping GPS Receiver - Manual (Page 37)

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Far left, Map Page opening screen. Center, zoomed to 100 miles and
right, zoomed to 10 miles. Over Zoomed means you have reached the
detail limits in an area covered only by the basic background map.
Zooming in any closer will reveal no more map details because a high-
detail custom map has not been loaded on the MMC for this area.
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 simply 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
FreedomMap from LEI), and you can zoom in to 0.02 miles with mas-
sive 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