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  • 1) GPS MAPS: IMG file installation for the Garmin Overlander

    T4A Garmin Image File Installation for the Garmin Overlander

    1. Insert SD Card into Adapter into a computer
    2. Format the SD Card. Verify File System is FAT or FAT32
    3. Create a folder with the name “Map” on the SD Card
    4. Copy the T4A Traveller's Africa ######.img file into the Map folder
    5. Remove the SD Card from the computer and insert it onto the Overlander
    6. Restart the Overlander
    7. Navigate to “My Maps” in the “Settings” menu
    8. Make sure the T4A Map displays in the list of maps and that it is checked as active
    9. Deactivate all other City Navigator Maps (CN) for Africa. You can leave the DEM Maps active
    10. Tracks4Africa data should now be active and visible when viewing the map

  • 2) GPS MAPS: The Garmin Overlander on Tracks4Africa

    We have tested the Overlander and here are our basic findings:
    • It only communicates to a Windows computer, not Mac.
    • It is possible to connect it to Basecamp on a Windows computer and we could load our maps to it and it is compatible.
    • Our SD Card version from 19.10 will work with the Overlander.  We realised that this unit and some other newer Garmin models require the folder structure on the Sd card to be slightly different and it was easy enough to include this change.
    • We could not find a way to load and copy tracks from the Overlander without having to use the Explorer app though. So that is a bit of an oversight on their side as this unit is made to use in remote areas without the implicit need for internet access.
    • The bracket the Overlander comes with does not hold up to off road travel for long.  Our unit was in fact shipped with a RAM ball adapter and I would strongly recommend doing this conversion and mounting the unit with RAM fittings and suction cups.