Using Charts; Using The Navigation Chart - Garmin GPSMAP 400 Owner's Manual

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Your unit has a worldwide imagery map, a built-in detailed map
of US inland lakes, or BlueChart g2 cartography for either the US
shoreline or a specific country.
• Navigation Chart—displays all relevant navigation data
available on your preloaded maps, including buoys, lights, cables,
depth soundings, marinas, and tide stations in an overhead view.
• Mariner's Eye 3D—a bird's eye view from above and behind
your boat; for a visual navigation aid.
NOTE: If you are using a GPSMAP 420/420s you must insert
an optional BlueChart g2 Vision preprogrammed SD card to
view detailed navigation and mariner's eye 3D charts.
Fishing Charts and Fish Eye 3D views are available when using
optional Blue Chart g2 Vision
®
• Fishing Chart—removes navigational data from the preloaded
map, while leaving the bottom contours and depth soundings.
(This is not available on the 430/430s/430x/430sx - all contour
lines and depth soundings appear on the navigation chart.)
• Fish Eye 3D—an underwater view that visually represents the
sea floor or lake bottom according to the chart's information.
(This is available for select lakes on 430/430s/430x/430sx
units without an additional card.)
GPSMAP 400 Series Owner's Manual
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harts
preprogrammed SD cards.
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Using the Navigation Chart

Use the navigation chart to plan your course, view map information,
and as a navigational aid.
NOTE: If using a GPSMAP 420/420s, you must insert an
optional BlueChart g2 Vision preprogrammed SD card for your
region to view detailed navigation charts.
To access a navigation chart, from the Home screen, select
Charts > Navigation Chart.
Your boat
Exposed
wreck
Light
Exposed
rock
Navigation Chart with g2 Vision
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Tide station
Beacon
Marina
services
Zoom scale