Using Mariner's Eye - Garmin GPSMAP 4000 Series Owner's Manual

Using Mariner's Eye

Mariner's Eye 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 beneficial when trying to identify entry and exit routes in unfamiliar harbors or
anchorages.
To access the Mariner's Eye screen, from the Home screen, select Charts > Mariner's
RANGE (+)
The key moves the view closer to your boat and lower to the water, while the
(-)
key moves the view away from the boat. This is indicated by the scale (
the screen.
GPSMAP 4000 Series Owner's Manual
Mariner's Eye
Navigation Chart
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SInG hartS
Eye.
RANGE
) at the bottom of