Filter
Top Products
GPSMAP
®
400 Series Owner’s Manual i
IntroductIon
IntroductIon
This manual includes information for the following products:
GPSMAP
®
420/420s
GPSMAP
®
430/430s/430x/430sx
GPSMAP
®
440/440s/440x/440sx
GPSMAP
®
450/450s
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.
Quick Links
• Turning the Unit On or Off: page 2.
• Acquiring GPS Satellite Signals:
page 4.
• Inserting and Removing SD Cards:
page 5.
• Restoring Factory Settings:
page 5.
• Using the Navigation Chart:
page 7.
• Changing the Chart Settings:
page 16.
• Navigating to a Destination:
page 19.
• Creating a Waypoint:
page 21.
• ConguringSystemSettings:
page 29.
• Using Sonar:
page 35.
• Installing the Unit:
page 39.
• Alarms and Messages: page 55.