Using Mariner's Eye 3D - Garmin GPSMAP 420 Owner's Manual

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Using Mariner's Eye 3D

Mariner's Eye 3D provides a bird's eye 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.
Mariner's Eye 3D
The RANGE (+) key moves the view closer to your boat and lower
RANGE (-)
to the water, while the
the boat. When adjusting the range, a scale (
bottom of the screen.

Navigation Chart
key moves the view away from
) appears at the
Mariner's Eye 3D Settings
To access additional settings or options from the Mariner's Eye 3D
screen, press MENU.
Colors—choose between Normal
(Default), Water Hazard, and All
Hazard. The Normal setting indicates
land in greens and browns, and the
Water Hazard
setting indicates
shallow water and land with a color
scale. Blue indicates deep water, yellow
and orange for shallow water, and red
All Hazard
for very shallow water.
setting shows land as dark red.
Rings—toggle the range rings on or
off.
Tracks—turn the track log on or off.
Safe Depth—adjust the depth at
which red indicates shallow water.
Nav Lane Width—adjust the width of the course line drawn when
navigating.
Overlay Numbers——show or hide cruising, navigation, fishing, and
sailing numbers.
Mariner's Eye 3D Mariner's Eye 3D
(Water Hazard Colors) (Water Hazard Colors)
GPSMAP 400 Series Owner's Manual
®