Marine Mode Pages And Features; Map Page; Changing The Page Layout And Data Fields - Garmin GPSMAP 378 Owner's Manual

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ARINE ODE AGES AND EATURES
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ARINE ODE
This section discusses the major pages in Marine Mode, such as the
Map and Compass pages, and some additional marine features, such
as DSC and the marine timer.

Map Page

The GPSMAP 378/478 features a real-time moving map that can do
much more than just plot your course. The Map Page shows map
information (digital cartography) that includes navaids, lakes, rivers,
coastlines, cities, and highways. Use the dedicated zoom keys (IN
and OUT) to adjust the Map Page scale.
Two map operating modes, position mode and pan mode, determine
what cartography is shown on the map display. Position mode
pans the map to keep your present location in the display area.
The position marker ( ) shows your travel on the Map Page. The
GPSMAP 378/478 always turns on in position mode, with the last
known location centered on the map. When you press the ROCKER,
the GPSMAP 378/478 enters pan mode, which moves the map to
keep the white arrow (map pointer) within the display area. Press
QUIT to return your position to the center of the screen
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AGES AND EATURES
The system has built-in g2 charts. Optional Garmin data cards and
MapSource CD-ROMs enhance the versatility of your GPSMAP
378/478. With optional MapSource BlueChart information and g2
you can view information for outside the U.S. that is not already
pre-loaded.
In Marine Mode, by default, five user-selectable data fields appear
on the right side of the screen that can be configured to show any
one of the possible data options. You can also add additional data
fields to the page or select a full screen map without data fields.
Current
location

Changing the Page Layout and Data Fields

You can adjust how the following pages appear: Map, Compass,
Highway, Position Data, Trip Computer, and optional Sonar Page.
You can also adjust the data fields on each page.
Data fields
Map scale
Map Page
GPSMAP 378/478 Owner's Manual