Marine Mode: Navigating; Step 1: Choose A Destination; Step 2: Set And Follow The Course - Garmin GPSMAP 640 Owner's Manual

Marine Mode: Navigating

Marine Mode: Navigating
To navigate using the GPSMAP 640, first choose a destination,
then set a course or create a route. Follow the course or the route
on the Navigation chart or on the Perspective 3D or Mariner's Eye
3D screen.
tiP: You can also use the Compass screen to follow a course or
a route on the Navigation chart, the Perspective 3D screen, or the
Mariner's Eye 3D screen. See page 25

Step 1: Choose a Destination

You can choose a destination using either the Navigation chart or
the Where to? menu.
Choosing a Destination Using the Navigation
Chart
1. From the Home screen, touch
2. On the Navigation chart, touch the place you would like to
navigate to. The pointer icon indicates the destination on the
chart.
tiP: Touch and to zoom in and out. Touch anywhere on
the chart and drag to pan the map. For more information on using
charts, see page 8.
4
for more information.
Charts > Navigation Chart.
Choosing a Destination Using Where To?
1. From the Home screen, touch
2. Touch a category:
• Waypoints—view a list of locations you marked previously
(page 20).
• Routes—view a list of routes you saved previously
(page 20).
• Tracks—view a list of recorded tracks
• Offshore Services—view a list of nearby marinas and other
offshore points of interest, listed by proximity
• Search by Name—search nearby marinas and other
offshore points of interest by name
3. Touch the location you want to navigate to.

Step 2: Set and Follow the Course

You can set a course three ways:
• Go to—(direct course) create a direct line from your current
location to the destination (page
• Route to—create a route from the destination to your current
location, adding turns along the way
Where To?
(page 21).
(page 20).
(page 21).
15).
(page 16).
GPSMAP 640 Owner's Manual