Basic Operation In Marine Mode; Marine Mode - Garmin GPSMAP 378 Owner's Manual

This section explains some of the more common operations you will perform with your GPSMAP 378/478, such as navigating to a
destination.
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 Page Sequence
The GPSMAP 378/478 offers two usage modes, Marine Mode (default) and Automotive Mode. The main pages are linked together in a series
that you can cycle through by pressing the PAGE key to move forward and the QUIT key to reverse. Each page also has an options menu
that allows you to customize each page to your preferences and/or select features. To view the options menu, press the MENU key.
Marine Mode features five main pages: Map, Compass, Highway, Active Route, and Position Data. An optional XM Audio Page can be
enabled in Marine Mode. The following examples show the main pages in Marine Mode with internal MapSource BlueChart detailed maps.
Marine Mode is the default mode for the GPSMAP 378/478. This manual first addresses the page, such as the Map Page, as it appears in
Marine Mode. The manual then describes the page as shown in Automotive Mode. There is an optional Sonar Page that only appears when a
GSD 21 or GSD 20 is connected. Refer to page
Map Page Compass Page
GPSMAP 378/478 Owner's Manual
B O I
ASIC PERATION
104 for more information.
Highway Page Active Route Page
B O M
ASIC PERATION IN ARINE
M M
N ARINE ODE
Position Data Page
M > M M P S
ODE ARINE ODE AGE EQUENCE
XM Audio Page
(Optional)
13