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Chapter 3: Operation 3-47
Figure 3-51: Load Failed Message
3.9 Using Tracks
The Track function is used to mark, on-screen, the trail that your vessel
has followed, as though it had left a visible fixed wake.
While Track is on, it is recorded in memory as the Current Track and is
retained following a
POWER OFF/ON. You specify the interval at which
track points are created and a line is drawn on-screen between each point.
The current track remains on-screen until you clear the track.
Breaks in the track will be caused when any of the following occur for
longer than the specified interval: the track is switched off then on; the
GPS fix is lost; the chartplotter is switched off.
Using the SmartRoute function, a track (or the last segment of a track
with breaks) can be converted to and saved as a route which is
automatically reversed, ready for use as your return voyage, see
SmartRoute on page 3-50.
A total of 4500 track points can be saved, in up to five track files (each
containing a maximum of 750 points).
The Current Track can be saved, named and retrieved for display at a later
date. For example, you may wish to display a previous track and place
waypoints along it that you can follow. You can only display one track at
a time; you must clear a current track from the screen if you want to
display a saved track.
This section describes how to:
• Set up a track and specify the Track Point interval.
• Clear the Current Track.
USER CARD NOT PRESENT
LOAD FAILED
NO OR INCORRECT CARD
ENSURE USER CARD IS CORRECTLY
INSERTED IN THE LOWER SLOT
USER CARD MENU
LOAD WPT/
RTE DATA
FROM CARD
SAVE WPT/
RTE DATA
TO CARD
CHECK
CARD IN
USER SLOT
81167_3.BOOK Page 47 Wednesday, November 21, 2001 2:12 PM