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IntroductIon
Thank you for choosing the Garmin
®
GPSMAP
®
378/478, which
utilizes the proven performance of Garmin GPS and full-featured
mapping to create an unsurpassed portable marine navigation
chartplotter and automobile navigation device. Take a moment to
compare the contents of this package with the packing list on the
outside of the box; if any pieces are missing, contact your Garmin
dealer immediately.
About This Manual
To get the most out of your new navigation system, take time to read
this manual and learn the operating procedures for your unit. This
manual is organized into the following sections:
The Introduction contains the Table of Contents, Care Information,
and Warnings.
The Getting Started section provides an overview of the unit, how
to turn the unit on, and how to simulate navigation.
The Marine Mode section provides you with information about
navigating with the GPSMAP 378/478 in Marine Mode.
The Marine Mode Pages section reviews the main pages in Marine
Mode.
The Automotive Mode section provides you with information about
navigating with the GPSMAP 378/478 in Automotive Mode.
The Automotive Mode Pages section reviews the main pages in
Automotive Mode.
The Main Menu section describes features found on the Main
Menu, and information on how to change settings.
The Using XM WX Weather section describes how to use XM WX
Satellite Weather features on your GPSMAP 378/478.
The Setting Up and Using Sonar section provides instructions
on using a Garmin GSD 20 or GSD 21 Sounder Module with your
GPSMAP 378/478.
The Appendix contains specications, optional accessories,
maintenance information, and other product information.
An Index is provided at the end of the manual for reference.
GPSMAP 378/478 Owner’s Manual i
IntroductIon > About thIs MAnuAl