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GPSMAP 4000 Series Owner’s Manual 15
uSInG chartS
usInG
charts
Using Mariner’s Eye 3D
A BlueChart g2 Vision SD card offers Mariner’s Eye 3D, which provides a detailed 3 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 is benecial
when trying to identify entry and exit routes in unfamiliar harbors or anchorages.
Mariner’s Eye 3D Navigation Chart
The RANGE (+) key moves the view closer to your boat and lower to the water, while the RANGE
(-) key moves the view away from the boat. This is indicated by the scale ( ) at the bottom of
the screen.
Mariner’s Eye 3D Settings
To access additional settings or options from the Mariner’s Eye 3D screen, press MENU. The
options and additional settings are the same as the Mariner’s Eye screen (page 12), with the
exception of Colors:
Colors —choose between Normal (Default), Water Hazard, and All Hazard. The Normal setting
shows the land as seen from the water. The Water Hazard setting indicates shallow water and land
with a color scale. Blue indicates deep water, yellow is shallow water, and red is very shallow. The
Water Hazard setting indicates land in green and brown, and the All Hazard setting uses the same
color scale, but shows land as dark red.
Safe Depth—adjust the depth at which red indicates shallow water. This also changes the global
Safe Depth setting as it applies to the Auto Guidance feature. See page 38 for more information.
Mariner’s Eye 3D, Normal Colors Mariner’s Eye 3D, Hazard Colors