M
arIne
M
ode
This section explains some of the more common operations you will perform with your GPSMAP 378/478.
To switch usage modes:
1. Press and hold the
PAGE/MODE
key. The Usage Mode Menu appears.
2. Use the
ROCKER
to select either
Automotive
or
Marine
, and press
ENTER
.
Marine Mode Pages
Marine Mode has five main pages: Map, Compass, Highway, Active Route, and Position Data. An optional XM Audio Page can be enabled.
An optional Sonar Page is available when a GSD 21 is connected. See the “
for
more information.
Map Page
Compass Page
Highway Page
Position Data Page
Active Route Page
XM Audio Page
(Optional)
GPSMAP 378/478 Owner’s Manual
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