4
GPSMAP 640 Owner’s Manual
Marine Mode: Using Waypoints and Tracks
Saving the Active Track
You can save up to 20 tracks, with up to 700 points per saved track.
1. From the Home screen, touch
Information
>
User Data
>
Tracks
>
Save Active Track
.
2. Either touch the time the current track began recording, or touch
Entire Log
.
Clearing the Active Track
From the Home screen, touch
information
>
user Data
>
tracks
>
Clear active track
>
oK
. The track memory is cleared and the
current track continues to be recorded.
Following the Active Track
1. From the Home screen, touch
Information
>
User Data
>
Tracks
>
Follow Active Track
.
2. Either touch the time the current track began recording, or touch
Entire Log
.
Navigating a Saved Track
1. From the Home screen, touch
Where To?
>
Tracks
.
2. Touch the name of the saved track you want to navigate.
3. Touch
Follow Track
.
4. Touch
Forward
or
Backward
to follow the track in the direction
you prefer.
Note:
You can also navigate a saved track from the saved tracks
list (
information
>
user Data
>
tracks
>
Saved tracks
).
Editing or Deleting a Saved Track
1. From the Home screen, touch
Information
>
User Data
>
Tracks
>
Saved Tracks
.
2. Touch the track you want to edit or delete.
3. Touch
Edit Track
:
Name
—change the name of the saved track.
Track Color
—change the color of the saved track
Save Route
—save the saved track as a saved route.
Delete
—delete the saved track.
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