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Finding the Unit ID on a GPSMap 196/296/396/496 Unit
In order to perform the aviation database updates correctly on the FlyGarmin website, the Unit ID is required.
Follow the Steps Below to Locate the Unit ID:
Press the menu key twice.
Arrow up once to the Setup tab.
Arrow right once to the System Tab (located at the top).
Press the menu key.
Highlight System Information and press enter to display the Unit ID.