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28 Magellan SporTrak GPS Receiver
Reference
From
the MAP
Screen
Highlight
Map Setup
Use arrows to
highlight the
“Track Mode” field
Use arrows to
select Mode
Setting the Track Mode to “OFF” will cause severe
limitations to the ability of your SporTrak to create a
backtrack route. The same temporary waypoints used to
create the displayed track are used to compute a backtrack
route. Therefore, it is highly recommended that you use
the “Auto” Track Mode whenever possible.
Auto vs. Auto Detailed. You will notice two of the options for the
Track Mode are Auto (default) and Auto Detailed. Basically, both
options behave the same. While your are travelling in a straight line,
only a few track points are taken, but as you turn the SporTrak increases
the rate of track points. This allows for a good representation of your
track with minimal track points stored. Auto Detailed performs exactly
the same as Auto, but has the base rate of track points saved increased.
This allows a more detailed track then Auto to be taken, while at the
same time saving memory over a fixed rate.
Using Vertical Profile — Vertical Profile
displays the elevation as a graphical display
for the option you select.
Only Track History is available for this
function if MapSend Topo for the United
States map data is not uploaded. (Path
Check is shown as an available function but
will not display the vertical profile, however it
can be used to graphically create a route. See
the information on Path Check for more
details.) If a topographic map has been
uploaded, you have the additional options of selecting Path Check,
Route or Highlighted Road.
While viewing the vertical profile screen, you can use the left and right
arrows to move the profile accordingly. The vertical dashed line in the
middle of the profile plot provides the elevation for that point on the
profile.