Using Fish Eye 3D; Fish Eye 3D Settings - Garmin GPSMAP 4212 Owner's Manual

Hazard Colors—Turns hazard colors on or off. The Off setting shows the land as seen from the
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water. The On setting indicates shallow water and land with a color scale. Blue indicates deep
water, yellow is shallow water, and red is very shallow water.
Mariner's Eye 3D, Hazard Colors Off
For settings and options related to Range Rings, Safe Depth, and Lane Width, see

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 floor or lake bottom. The Range keys adjust the view.
Suspended targets (such as fish) are indicated by red, green, and yellow spheres. Red indicates the
largest targets and green indicates the smallest.

Fish Eye 3D Settings

To access additional settings or options for the Fish Eye 3D screen, press MENU.
View—selects a fish-eye view of Fore, Aft, Port, or Starboard.
Sonar Cone—turns a cone on or off that shows the area covered by your transducer.
Sonar Data—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—shows or hides cruising, navigation, fishing, fuel, or sailing numbers
GPSMAP 4000 Series Owner's Manual
Mariner's Eye 3D, Hazard Colors On
Fish Eye 3D
Using Charts
page 13.
(page 10).