| 摘要 |
The field of the invention is that of man-machine interface devices for v iewing screen (1), said screen being able to display graphical objects (10) called ~widgets~, said interface device making it possible to carry out the operations of navigating, selecting and activating said graphical objects (1 0), the device comprising at least: a computer (2) linked to the viewing scr een (1), the computer generating on the screen a virtual designation element called a focus, said focus being able to be positioned on the entirety of t he graphical objects (10); a keyboard (4) linked to the computer and compris ing function keys: navigation keys make it possible to move the focus upward s, downwards, to the right and to the left of the screen, a so-called activa tion key making it possible to select or activate the graphical object desig nated by the focus; a so-called cancel key making it possible to deselect or deactivate the graphical object selected by the focus.
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