Garmin GPSMAP 420 Owner's Manual page 5

Configuring the Chartplotter
Configuring System Settings ......................................................
Configuring Units of Measure ....................................................
Changing the System Language ................................................
Configuring Navigation Preferences ..........................................
Configuring Communications Settings .......................................
Setting Alarms ............................................................................
Setting the Total Fuel Onboard Alarm ........................................
Configuring My Boat ..................................................................
Configuring Other Vessels .........................................................
Using Sonar .......................................................................44
Understanding the Full Screen ..................................................
Understanding the Split Frequency Screen ...............................
Understanding The Split Zoom Screen ......................................
Understanding the Temp Log Screen ........................................
Setting Up Sonar ........................................................................
Advanced Sonar Settings ..........................................................
GPSMAP 400/500 Series Owner's Manual
............................................37 Digital Selective Calling (DSC)
37 Using the Chartplotter with a VHF Radio ...................................
37 Adding a DSC Contact ...............................................................
38 Viewing the DSC List .................................................................
38 Receiving Distress Calls ............................................................
39 Man-Overboard Distress Calls Initiated from a VHF Radio .......
40 Man-Overboard Distress Calls Initiated from the Chartplotter ...
41 Position Tracking ........................................................................
42 Placing an Individual Routine Call .............................................
43 Calling an AIS Target .................................................................
Appendix ............................................................................54
44 Specifications .............................................................................
44 Alarms and Messages ...............................................................
45 Capturing Screenshots ..............................................................
45 Caring for the Unit ......................................................................
46 Software License Agreement .....................................................
47
Index ...................................................................................61
Introduction
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