Garmin 400/500 Owner's Manual page 49

Speed Sources—specify the sensor used for wind numbers and fuel
economy. Select wind or fuel Economy
(from a water-speed sensor) and GPS (from the calculated GPS
speed).
auto guidance—set the automatic guidance parameters:
• Safe depth—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.
• Safe Height—set the minimum height (chart height datum) of a
bridge that your boat can safely travel under.
• Shoreline distance—set the safe distance for your boat from the
shore: Nearest, Near, Normal, far, or farthest.
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 (Nearest,
Near, Normal, far, or farthest) 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
GPSMAP 400/500 Series Owner's Manual
to toggle between water
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
Navigation > Auto Guidance
3. From Home screen, select
4. Select a waypoint for a destination that you have navigated to
previously.
5. Select Navigate To > Guide
6. Review the placement of the Auto Guidance line. Determine
whether the line safely avoids known obstacles, and whether the
turns enable efficient travel.
• If the placement of the Auto Guidance line is satisfactory,
select MENU > Navigation Options
Proceed to step 9.
• If the Auto Guidance line is too close to known obstacles,
from the Home screen, select
Navigation > Auto Guidance
• If the turns in the Auto Guidance line are too wide, from the
Home screen, select Configure
Auto Guidance Shoreline Distance
> >
Configuring the Chartplotter
Configure > Preferences
> Shoreline Dist. > Normal.
Where To? > Waypoints.
To.
> Stop Navigation.
Configure > Preferences
> Shoreline Distance
> Preferences > Navigation
> Near.
>
>
> Far.
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