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50 GPSMAP 400/500 Series Owner’s Manual
Conguring the Chartplotter
Conguring Navigation Preferences
To change navigation preferences, from the Home screen, select
Congure > Preferences > Navigation�
—for saved routes, this determines whether route
turns are indicated by number (Turn 1, Turn 2, and so on) or by
waypoint name, or whether the description of turns is hidden.
—set how much time or how far before a turn in a
route that you transition to the next leg.
—specify the sensor used for wind numbers and fuel
economy. Select or to toggle between water
(from a water-speed sensor) and GPS (from the calculated GPS
speed).
—set the automatic guidance parameters:
• —set the minimum depth (chart depth datum) to
allow when calculating an automatic guidance path. A safe depth
of less than one meter is not allowed when using automatic
guidance.
• —set the minimum height (chart height datum) of a
bridge that your boat can safely travel under.
• —set the safe distance for your boat from the
shore: , , , , or .
Shoreline Distance Auto Guidance Setting
The Shoreline Distance setting indicates how close to the shore you
want the auto-guidance line to be placed. The auto-guidance line
may move if you change this setting while navigating.
The available values for the Shoreline Distance setting (,
, , , or ) are relative, not absolute. To
ensure that the auto-guidance line is placed an appropriate distance
from shore, you can assess the placement of the auto-guidance line
using one or more familiar destinations that require navigation
through a narrow waterway.
To set the distance from shore:
1� Dock your boat or drop anchor�
2� From the Home screen, select Congure > Preferences >
Navigation > Auto Guidance > Shoreline Dist� > Normal�
3� From Home screen, select Where To? > Waypoints�
4� Select a waypoint for a destination that you have navigated to
previously�
5� Select Navigate To > Guide To�
6� Review the placement of the Auto Guidance line� Determine
whether the line safely avoids known obstacles, and whether the
turns enable efcient travel�
7� Complete an action: