Geonav 4 gipsy, Руководство пользователя и инструкция по установке

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tion are displayed as soon as three satellites are tracked and a
2D fix (two dimensions) is available.
The altitude value is available only if four satellites are tracked
and a 3D fix is obtained.
As soon as a valid fix is available, the GEONAV will automati-
cally switch to Navigation mode and display the boat’s posi-
tion at the best chart range available; the window at the bot-
tom of the screen will indicate the boat’s course and speed.
To recall the Satellite window, press the PAGE key repeatedly
until it appears.