GPSMAP 400/500 Series Owner’s Manual iIntroductionIntroductionThis manual includes information for the following products:GPSMAP ® 431/431s GPSMAP 441/441sGPSMAP 531/531s GPSMAP 536/536sGPSMAP 541/541s GPSMAP 546/546sTips and ShortcutsPress HOME from any screen to return to the Home screen.Press MENU from any of the main screens to access advancedsettings.Press and release the Power key to adjust the display settings.Manual ConventionsIn this manual, when you are instructed to select an item, smallarrows (>) appear in the text. They indicate that you should highlighta series of items on the screen using the Rocker, and press theSELECT key after each item. For example, if you see “selectCharts > Navigation Chart,” you should highlight Charts, andpress SELECT. Then highlight Navigation Chart, and pressSELECT again.•••Quick LinksTurning the Unit On or Off: page 3.Acquiring GPS Satellite Signals: page 5.Inserting and Removing SD Cards: page 6.Restoring the Original Factory Settings: page 6.Using the Navigation Chart: page 8.Changing the Navigation Chart Settings: page 12.Navigating to a Destination: page 28.Creating and Using Waypoints: page 30.Configuring System Settings: page 48.Using Sonar: page 57.Alarms and Messages: page 79.•••••••••••
