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GPSMAP 400/500 Series Owner’s Manual i
Introduction
Introduction
This manual includes information for the following products:
GPSMAP
®
421/421s GPSMAP 451/451s
GPSMAP 521/521s GPSMAP 526/526s
GPSMAP 551/551s GPSMAP 556/556s
Tips and Shortcuts
Press HOME from any screen to return to the Home screen.
Press MENU from any of the main screens to access advanced
settings.
Press and release the Power key to adjust the display settings.
Manual Conventions
In this manual, when you are instructed to select an item, small
arrows (>) appear in the text. They indicate that you should highlight
a series of items on the screen using the Rocker, and press the
SELECT key after each item. For example, if you see “select
Charts > Navigation Chart,” you should highlight Charts, and
press SELECT. Then highlight Navigation Chart, and press
SELECT again.
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Quick Links
Turning the Unit On or Off: page 2.
Acquiring GPS Satellite Signals: page 5.
Inserting and Removing SD Cards: page 6.
Restoring the Original Factory Settings: page 5.
Using the Navigation Chart: page 7.
Changing the Navigation Chart Settings: page 11.
Navigating to a Destination: page 23.
Creating and Using Waypoints: page 25.
Conguring System Settings: page 47.
Using Sonar: page 56.
Alarms and Messages: page 68.
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