Using Charts; Using The Navigation Chart - Garmin GPSMAP 4000 series Owner's Manual

Your unit has a basic worldwide imagery map. By purchasing an optional Blue Chart
preprogrammed SD card, you can view detailed information for your region, including:
• Navigation Chart—displays all relevant navigation data available, including buoys, lights,
cables, depth soundings, marinas, and tide stations in an overhead view.
• Mariner's Eye—a view from above and behind your boat for a visual navigation aid.
• Fishing Chart—removes navigational data from the chart, while enhancing bottom contours
for depth recognition.
Fish Eye 3D—an underwater view that visually represents the sea floor according to the
•
chart's information.
The unit automatically shows relevant navigational data when you select a navigation option..

Using the Navigation Chart

Use the Navigation Chart to plan your course, view map information, and as a navigational aid.
To access the Navigation Chart, from the Home screen, select Charts > Navigation
Marine
services
Your boat
Submerged
wreck
Zooming In and out on the Map
The RANGE (+/-) keys (GPSMAP 4008/4012) or the
control the zoom level, indicated by the scale at the bottom of the navigation chart (
bar under the number represents that distance on the map.
navigation chart Settings
To access additional settings or options for the Navigation chart, press or touch MENU.
Overlay Numbers—show or hide cruising, navigation, fishing and sailing numbers on the screen.
Chart Setup—customize the Navigation chart.
understanding chart Data
BlueChart g2 and BlueChart g2 Vision charts use graphic symbols to denote map features, which
follow the standards for US and international charts.
Other features common to most charts include depth contour lines (with deep water represented in
white), intertidal zones, spot soundings (as depicted on the original paper chart), navigational aids
and symbols, and obstructions and cable areas.
GPSMAP 4000/5000 Series Owner's Manual
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Navigation Chart with BlueChart g2 Vision Data
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Beacon
Buoy
Zoom scale
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