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IntroductIon
Thank you for choosing the Garmin
®
GPSMAP
®
278, which uses
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, 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,
Warnings and Cautions.
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 278 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 278 in Automotive Mode.
The Automotive Mode Pages section reviews, in detail, the main
pages and features in Automotive Mode, such as the Trip Data Page
and creating waypoints.
The Main Menu section describes features found on the Main
Menu, and information on how to change settings.
The Using Sonar section provides instructions on using a Garmin
GSD 20 or GSD 21 sounder with your GPSMAP 278.
The Appendix contains specications, optional accessories,
maintenance information, and other product information.
An Index is provided at the end of the manual for reference.
Manual Conventions
This manual uses the term Warning to indicate a
potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
This manual uses the term Caution to indicate a potentially
hazardous situation, which, if not avoided, may result
in minor injury or property damage. It may also be used
without the symbol to alert you to avoid unsafe practices.
GPSMAP 278 Owner’s Manual i
IntroductIon > About thIs MAnuAl