Owner's Manual
GPSMAP 400/500 Series Owner’s Manual 43
Conguring the Chartplotter
—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.
• If the placement of the Auto Guidance line is satisfactory,
select MENU > Navigation Options > Stop Navigation.
Proceed to step 9.
• If the Auto Guidance line is too close to known obstacles,
from the Home screen, select Congure > Preferences >
Navigation > Auto Guidance > Shoreline Distance > Far.
• If the turns in the Auto Guidance line are too wide, from the
Home screen, select Congure > Preferences > Navigation
> Auto Guidance > Shoreline Distance > Near.