Versatile and customizable display modes
The GP39 displays navigation data in a wide variety of numerical and
graphical formats, including Plotter, Highway, Steering, NAV data, and
Satellite monitor, as well as 2 user-customizable display modes, allowing
you to select which data you want displayed on its 4.2" color LCD. You may
freely select which data you want displayed with easy to use controls. The
combination of a high resolution screen and large data fields makes the
screen easy to read in almost any condition.