Garmin 720 User Manual

Charts and 3D Chart Views 

A BlueChart g2 Vision data card offers Mariner’s Eye 3D, which provides a detailed, three-dimensional view 

from above and behind the boat (according to your course) and provides a visual navigation aid. This view is 

helpful when navigating tricky shoals, reefs, bridges, or channels, and when trying to identify entry and exit 

routes in unfamiliar harbors or anchorages.
From the Home screen, select Charts > Mariner’s eye 3D.

See “Adjusting the View” (

).

See “Viewing Details about Navaids” (

You can select how chart data appears over 3D terrain.
1.  From the Home screen, select Charts > Mariner’s eye 3D > Menu > Chart Appearance > Style.
2.  Complete an action:

•  Select Classic to use color schemes to indicate 3D terrain.
•  Select Charts to provide chart information in a 3D view.
•  Select Photos to provide satellite imagery and chart information in a 3D view.

1.  From the Home screen, select Charts > Mariner’s eye 3D > Menu > Chart Appearance > Hazard 

Colors.

2.  Complete an action:

•  Select on to view shallow water and land with a color scale. Blue indicates deep water, yellow is 

shallow water, and red is very shallow water.

•  Select off to view the land as seen from the water.