Garmin GPS 89 - Manual (Page 27)

TracBack NavigiUioii
Another method of navigating to a destination is by using
the GPS 89’s TracBack feature. The TracBack function allows
you to quickly and easily retrace your path using the track
log automatically stored in the receiver^ memory. The advan­
tage of the TracBack feature is to eliminate the need to mark
waypoints along the way and manually create and activate a
route back to where you began your trip.
The TracBack route is created by reducing your current
track log into a route of up to 30 waypoints, and activating
an inverted route along those points. Once activated, a
TracBack route will lead you back to the oldest track log
point stored in memory, so it’s usually a good idea to dear the
existing track bg at the start of your current trip before you
take off.
To dear the track log and define a starting point for
a TracBack route:
1. From the menu or map configuration page, highlightthe
TRACK LOG'option.
2. Press A to access the track log page.
3. Use the key to highlight the 'CLEAR LOG?' option.
4. Press The clear log confirmation page will appear.
Use 4 to highlightthe 'YesT prompt and press A.
To activate a TracBack route:
1. From the menu page, highlightthe 'TRACK LOG' option.
2. Press A to access the track log page.
3. ffighlightthe TRACBACK?' tqrtion and press A.
Once the TracBack function has been activated, the GPS
89 will take the track log currently stored in memory and
divide it into segments called legs. Up to 30 temporary way­
points (e.g., 'TOOT) will be created to mark the most signifi­
cant features of the track log in order to duplicate your exact
path as closdy as possible. A TracBack route from your pre­
sent position to the oldest track log point will be created as
the active route (the active route page will appear), and pro­
vide steering guidance to each waypoint back to the starting
point of your track tog.
TRACK LQ6
RECORD! Ves
CRITERIA:
Automatic
HEHORV USED
45 of 2048
points < 2y->
TRACBACKT
To iJcfaic die starting paint
Jar TraeBaek navigalian,
clear die Cnicit lag at die
hegimiing
of eacfi (rip.
TftAOK L06~
RECORD!
CRITERIA!
Automatic
MEHORT USED
45 Of 2048
points < 2y >
CLEAR LOO?
To hgiit naviffition oj a
TracFacIt noult. kigWigfit
the THACMOf?’ prompt
and press EWTER.
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