GPS TrackMaker Reference Manual page 133

When calibrating the map for the screen coordinates, be careful not to reverse the location of the indicated points.
Keep in mind that the indication pattern of the coordinates is always:
•
Latitudes: always growing from south to north (from bottom to top)
•
Longitudes: always growing from west to east (from left to right)
Not obeying this rule will cause an error message after marking the second point.
To hide or show the map image, click on Show Maps button
Calibrating the Map through Two Waypoints
lines will appear close to the pointer of the mouse.
Mark on the map image the first point (#1), placing the pointer of the mouse over the point and pressing the left
button of the mouse.
User would mark the second point (#2) on the map image, and in the configuration window, look for Waypoint
Wpt2. Click on it and press <OK>.
Other way to configure map images with generic points is through two
Waypoints. In the example, the map image was inserted anywhere on the
screen. In the map image there are two points #1 and #2 that correspond
to Waypoints Wpt1 and Wpt2 marked in the GPS. Before configuring, the
program doesn't know that Waypoints Wpt1 and Wpt2 corresponds to the
points #1 and #2 in the map image.
To start the calibration press the button
The configuration window will open, asking for the coordinate in that point. In the list
box look for Waypoint Wpt1. Click on it and press the <OK> button.
Next, choose the second point and repeat the same procedure. In the example, the
After inserting the second point, the program will reconfigure the screen and
it will erase the perpendicular straight line close to the pointer of the mouse,
leaving the configuration mode. The illustration shows the final position and
size of the map on the screen after the configuration. Note that Waypoints
Wpt1 and Wpt2 coincide with the points #1 and #2 marked in the map.
To hide or show the map image, click on Show Maps button
Toolbar.
located on the Tool Bar.
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. Two perpendicular straight
on the