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By three bearings
Proceed exactly as explained in the above paragraph, but trace three bearing
lines instead of two.
After selecting Calculate fix from the Navigation menu, the software displays the point of theoretical calculation as well as
the triangle of accuracy.
These elements (point and triangle) are recorded in the user data file.
Note: instead of sliding the cursor over the chart, you can click the seamark
taken, then use the keyboard to enter the bearing in the dialog box available.
As above, double click the Bearing tool
in the Tools palette to erase the trace of the bearing taken.