Garmin 720 User Manual

Charts and 3D Chart Views

See “Showing Range Rings” (

You can set the appearance of a safe depth for Mariner’s Eye 3D.
NoTe: This setting affects only the appearance of hazard colors in Mariner’s Eye 3D. It does not affect the 

safe water depth Auto Guidance setting (

) or the sonar shallow water alarm setting 

(

1.  From the Home screen, select Charts > Mariner’s eye 3D > Menu > Chart Appearance > Safe Depth.
2.  Enter the depth.
3.  Select Done.

See “Selecting a Lane Width” (

).

See “Configuring the Appearance of Other Vessels” (

).

See “Waypoints” (

) or “Tracks” (

).

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.
When a sonar transducer is connected, suspended targets (such as fish) are indicated by red, green, and yellow 

spheres. Red indicates the largest targets and green indicates the smallest.

See “Adjusting the View” (

).

1.  From the Home screen, select Charts > Fish eye 3D > Menu > View.
2.  Select Fore, Aft, Port, or Starboard.