Garmin 420 业主指南
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GPSMAP
®
400 Series Owner’s Manual
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Using the Chart/Sonar Screen
Use the Chart/Sonar screen to view the navigation chart, fishing
chart, Mariner’s Eye 3D, or Fish Eye 3D and sonar at the same time.
To view a split chart/sonar screen:
1. From the Home screen, select
Chart/Sonar
2. Select the type of chart on the split screen.
Navigation
chart screen
Navigation/Sonar Combination
Sonar
screen
To access additional settings or options for the chart/sonar screen,
press
MENU
.
Mariner’s Eye 3D/Sonar
NOTE: The
Chart/Sonar
screen, like the
Sonar
screen, is only
available when using a sonar capable unit with a transducer
attached.