24 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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