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Which Terrain Resolution to Download for G1000

The Terrain resolution used on a G1000® flight deck is based on the Garmin Display Unit (GDU™) avionics version that the system is running.

  • To check the GDU software version on your G1000:
    1. On the Multi Function Display (MFD) navigate to the AUX -  System Status page.
    2. Press the LRU soft key.
    3. Scroll down through the LRU list to find the MFD1 listing.
    4. The software version listed on the MFD1 line with the column heading labeled Version shows the MFD software installed in your unit. 
  • Compare your GDU software version with the list below to find the correct terrain resolution:
    • Less than 9.00: Worldwide 30 arc/sec.
    • Between 9.00 and 14.99: Worldwide 9 arc/sec.
    • Equal to or greater than 15.00: Worldwide 4.9 arc/sec.
  • Note: If you fly a helicopter equipped with a G1000H, you can download the regionalized high-resolution Terrain database if your GDU software version is under 14.99. However, if your GDU software version is 15.00 or higher, you must use Worldwide 4.9 arc/sec Terrain.


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