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16 GPSMAP
®
4000/5000 Series Owner’s Manual
Using Charts
Using
Charts
Using Fish Eye 3D
Using the depth contour lines of the BlueChart g2 Vision cartography, Fish Eye 3D provides an
underwater view of the sea oor or lake bottom. Use the RANGE keys (GPSMAP 4000 series) or
the and keys (GPSMAP 5000 series) to adjust the view.
Suspended targets (such as sh) are indicated by red, green, and yellow spheres. Red indicates the
largest targets and green indicates the smallest.
Fish Eye 3D
Suspended
targets
Fish Eye 3D Settings
To access additional settings or options for the Fish Eye 3D screen, select Menu.
View—selects a sh eye view of Fore, Aft, Port, or Starboard.
Sonar Cone—turns a cone that shows the area covered by your transducer on or off.
Sonar Data—visually shows the sonar readings received by your transducer for the best
combination of sonar and mapping.
Tracks
—turns the track log on or off.
Data Bars—show or hide cruising, navigation, shing, fuel, or sailing numbers (page 9).
Using Fishing Charts
Use the Fishing chart for a detailed, unobstructed view of the bottom contours and depth soundings
on the chart.
Fishing Chart Navigation Chart