The general field of the invention is that of the processes for managing a symbology in an aircraft visualization system, the graphical representation comprising the steering and navigation symbology superimposed on a representation of the external landscape, said symbology comprising a first attitude angular scale (2) comprising a first symbol (1) called an airplane model, a second speed scale (5), a third altitude scale (6) and a second symbol (7) called a speed vector. In the method according to the invention, when the lateral angular distance between the position of the first symbol and the position of the second symbol is such that the second symbol is not superimposed on the lateral scales, the different scales are represented in the nominal position; When the lateral angular distance between the position of the first symbol and the position of the second symbol is such that the second symbol is superimposed on one of the scales, the different scales move and / or their size decreases.
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