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Garmin 420 사용자 매뉴얼

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GPSMAP
®
 400 Series Owner’s Manual
G
ettInG
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tarted
Understanding the Home Screen
Use the Home screen to access all other screens.
  NOTE: Options on this screen vary based on the unit type.
•  Charts—access Navigation, Fishing, Mariner’s Eye 3D, and 
Fish Eye 3D charts (
).
  NOTE: On the GPSMAP 420/420s, 440/440s/440x/440sx 
units, you must insert an optional BlueChart
®
 g2 Vision
™
 
preprogrammed SD card to access the Fishing and Fish Eye 3D 
charts.
  NOTE: The GPSMAP 430/430s/430x/430sx units do not need 
additional cards to use the Fish Eye 3D charts, and do not have 
the option to use the Fishing Chart (all depth contours and depth 
soundings are available on the Navigation Chart).
•  Sonar—access sonar information (
).
  NOTE: This option is available only if you have a unit with a 
built-in sounder or a Garmin sonar module connected.
•  Chart/Sonar—set up the screen to view a chart and sonar in a 
split screen (
).
).
•  Information—view information including tides, currents, 
celestial data, user data, and information about other boats 
(
).
).