Garmin echomap 40 series Manuel du propriétaire - Page 19
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Basic Navigation Questions
Question
How do I make the chartplotter
point me in the direction in
which I want to go (bearing)?
How do I make the device
guide me along a straight line
(minimizing cross track) to a
location using the shortest
distance from the present
location?
How do I make the device
guide me to a location while
avoiding charted obstacles?
How do I make the device steer
my automatic pilot?
Can the device create a path
for me?
How do I change the Auto
Guidance settings for my boat?
Destinations
You can select destinations using various charts and 3D chart
views or using the lists.
Searching for a Destination by Name
You can search for saved waypoints, saved routes, saved
tracks, and marine services destinations by name.
1
Select Nav Info > Search by Name.
2
Enter at least a portion of the name of your destination.
3
If necessary, select Done.
The 50 nearest destinations that contain your search criteria
appear.
4
Select the destination.
Selecting a Destination Using the Navigation Chart
From the Navigation chart, select a destination.
Searching for Destination Using User Data
1
Select Nav Info.
2
Select an option:
• To view a list of preloaded locations and previously
marked locations, select Waypoints.
• To view a list of previously saved routes, select Routes &
Auto Guidance Paths.
• To view a list of recorded tracks, select Tracks.
• To view a list of slips, moorings, and other offshore points
of interest, select Offshore Services.
• To view a list of marinas and other inland points of
interest, select Inland Services.
• To search for a destination by name, select Search by
Name.
3
Select a destination.
Searching for a Marine Services Destination
NOTE: This feature is available with premium charts, in some
areas.
The chartplotter contains information for thousands of
destinations offering marine services.
1
Select Nav Info.
2
Select Offshore Services or Inland Services.
Navigation with a Chartplotter
Answer
Navigate using Go To
(Setting and
Following a Direct Course Using Go
To, page
13).
Build a single-leg route and navigate it
using Route To
(Creating and
Navigating a Route From Your
Present Location, page
14).
Build a multi-leg route and navigate it
using Route To
(Creating and
Navigating a Route From Your
Present Location, page
14).
Navigate using Route To
(Creating
and Navigating a Route From Your
Present Location, page
14).
If you have premium maps that
support Auto Guidance and are in an
area covered by Auto Guidance,
navigate using Auto Guidance
and Following an Auto Guidance Path,
page
15).
See
(Auto Guidance, page
15).
3
If necessary, select the marine service category.
The chartplotter shows a list of the nearest locations and the
distance and bearing to each.
4
Select a destination.
You can select
show the location on a chart.
Courses
The Auto Guidance feature is based on electronic chart
information. That data does not ensure obstacle and bottom
clearance. Carefully compare the course to all visual sightings,
and avoid any land, shallow water, or other obstacles that may
be in your path.
When using Go To, a direct course and a corrected course may
pass over land or shallow water. Use visual sightings, and steer
to avoid land, shallow water, and other dangerous objects.
NOTE: Auto Guidance is available with premium charts, in some
areas.
(Setting
Garmin recommends using Guide To only under motor power.
Using Guide To while under sail can cause an unexpected gybe,
risking damage to the sailboat. Unattended sails and rigging can
be damaged or cause injury to any crew or passengers during
an unexpected gybe maneuver.
You can set and follow a course to a destination using one of
three methods: Go To, Route To, or Guide To.
Go To: Takes you directly to the destination. This is the
standard option for navigating to a destination. The
chartplotter creates a straight line course or navigation line to
the destination. The path may run over land and other
obstacles.
Route To: Creates a route from your location to a destination,
allowing you to add turns along the way. This option provides
a straight line course to the destination, but allows you to add
turns into the route that avoid land and other obstacles.
Auto Guidance: Creates a path to a destination using Auto
Guidance. This option is available only when using a
compatible premium chart in a compatible chartplotter. It
provides a turn-by-turn navigation line to the destination,
avoiding land and other obstacles. The navigation line is
based on the chart data and the safe depth, safe height, and
shoreline distance user-defined chartplotter settings. Using
these settings and chart data, the chartplotter creates a
navigation line that avoids all areas that cannot be navigated
between the present location and the destination. When you
are using a compatible Garmin autopilot connected to the
chartplotter using NMEA 2000, the autopilot follows the Auto
Guidance route.
Setting and Following a Direct Course Using Go To
When using Go To, a direct course and a corrected course may
pass over land or shallow water. Use visual sightings, and steer
to avoid land, shallow water, and other dangerous objects.
You can set and follow a direct course from your current location
to a selected destination.
1
Select a destination
2
Select Navigate To > Go To.
A magenta line appears. In the center of the magenta line is
a thinner purple line that represents the corrected course
from your current location to the destination. The corrected
course is dynamic, and it moves with your boat when you are
off course.
3
Follow the magenta line, steering to avoid land, shallow
water, and other obstacles.
or
to view additional information or to
CAUTION
CAUTION
CAUTION
(Destinations, page
13).
13