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Marine mode: using the dashboard, Using the compass screen, For more information – Garmin GPSMAP 640 User Manual

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GPSMAP 620 and GPSMAP 640 Owner’s Manual

Marine Mode: Using the Dashboard

Marine Mode: Using the Dashboard

Use the Dashboard to view important data such as navigation and

trip information on one screen, without using the chart screens.

Using the Compass Screen

From the Home screen, touch

Dashboard

>

Compass

to view the

Compass screen.

Following a Direct Course or a Route Using the

Compass Screen

After you set a course using Go to, or create a route using

Route to, you can use the Compass screen to follow the course or

route.
You can view your current heading and the corrected course on the

Compass screen. When you are off course, the distance between

your current heading and the corrected course is called the Course

to Steer, and is shaded orange on the compass.

CAUTION

Just as on the Navigation chart, 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.

Current heading

Course to 

Steer

Corrected 

course

Following a Direct Course on the

Compass Screen

To follow a direct course on the Compass screen:

1. After you set a course, from the Home screen, touch

Dashboard

>

Compass

.

2. Follow the orange corrected-course pointer and steer off course

to avoid land, shallow water, and other obstacles on the water.

3. When you are off course, turn toward the orange corrected-

course pointer to reduce the shaded orange Course to Steer

and continue to the next turn in the route or to your destination.