Garmin 720 Marine GPS System User Manual


 
GPSMAP 700 Series Owner’s Manual 15
Charts and 3D Chart Views
3. Select a distance.
4. Select  to sound an alarm if AIS determines that a target will intersect the safe zone within the
dened time interval (ranging from 1 to 24 minutes).
5. Select a time.
Viewing a List of AIS Targets
: The Mariner’s Eye 3D chart is available if you use a BlueChart g2 Vision SD card. The Fishing chart
is available if you use a BlueChart g2 Vision SD card or a BlueChart g2 SD card, or if your built-in map
supports Fishing charts.
1. From the Home screen, select .
2. Select , , , or .
3. Select  >  > .
Making a Call to an AIS Target
See “Making an Individual Routine Call to an AIS Target” (page 83).
Perspective 3D
Perspective 3D provides a 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 is
benecial when trying to identify entry and exit routes in unfamiliar harbors or anchorages.
From the Home screen, select  > .
Navigation ChartPerspective 3D
Adjusting the View
Select to move the view closer to your boat and lower to the water.
Select to move the view away from the boat.
The scale (
) is momentarily indicated at the bottom of the screen.
Panning the Perspective 3D, Mariner’s Eye 3D, or Fish Eye 3D Views
You can pan around your present location on the Perspective 3D, Mariner’s Eye 3D, or Fish Eye 3D Views.
: Mariner’s Eye 3D and Fish Eye 3D chart views are available only if you use a BlueChart g2 Vision
SD card (page 16).
1. From the Home screen, select .
2. Select , , or .
3. Touch and drag the screen to the left or right to rotate the 3D view.
4. Select  to stop panning and return the screen to your present location.
Perspective 3D and Mariner’s Eye 3D Chart Appearance
Showing Range Rings
The range rings help you to visualize distances in Perspective 3D or Mariner’s Eye 3D.
: Mariner’s Eye 3D is available with a preprogrammed BlueChart g2 Vision data card.
1. From the Home screen, select .