Garmin aera 660 aera 660 Pilot s Guide - Page 21
Acquiring Satellites, Main Menu
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Overview Navigation Flight Planning Hazard Avoidance Additional Features Overview • 2D GNSS Location-At least three satellites have been acquired and a twodimensional location fix has been calculated. "2D Differential" appears when you are receiving DGPS corrections in 2D mode • 3D GNSS Location-At least four satellites have been acquired and a threedimensional fix has been calculated. "3D Differential" appears when you are receiving DGPS corrections in 3D mode • Lost Satellite Reception-the receiver is no longer tracking enough satellites for a 2D or 3D fix Constellation Diagram PRN Number 45° Above Horizon Horizon GPS Status Receiver Status Signal Strength Bar PRN Number Viewing the GNSS status: From the Main Menu, touch GPS Info > GPS Tab. ACQUIRING SATELLITES The bars on the Main Menu indicate the GNSS signal strength. When the receiver is in the process of acquiring enough satellite signals for navigation, the receiver uses satellite orbital data (collected continuously from the satellites) and last known position to determine the satellites that should be in view. 'Acquiring Satellites' is indicated as the solution until a sufficient number of satellites have been acquired for computing a solution. When the receiver is in the process of acquiring a 3D differential GNSS solution, '3D GNSS Location' is indicated as the solution until the 3D differential fix has finished acquisition. Appendices Index 190-02017-20 Rev. A Garmin aera 660 Pilot's Guide 5