Using Charts
16 GPSMAP 400/500 Series Owner’s Manual
—Turns hazard colors on or off. The setting shows the
land as seen from the water. The setting indicates shallow water and land
with a color scale. Blue indicates deep water, yellow is shallow water, and red
is very shallow water.
—toggles the range rings on or off to provide distance
measurement.
—adjusts the depth at which red indicates dangerous depths.
—adjusts the width of the course line drawn when navigating.
This setting also affects routes, but does not affect automatic
guidance.
• —turns the display of NEXRAD weather on or off. See the
GPSMAP 400/500 Series Weather Supplement for more information.
Using the depth contour lines of the BlueChart g2 Vision cartography, Fish
Eye 3D provides an underwater view of the sea oor or lake bottom. Use the
keys to adjust the view.
: You must have an “s” series unit (such as a GPSMAP 526s) and a
transducer wired through a marine network to receive sonar information.
To access additional settings or options for the Fish Eye 3D screen, press
—selects a sh eye view (, , , or ).
(only available if sonar is present)—turns a cone that shows the
area covered by your transducer on or off.
