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Reading Maps from SD card in Etrex 20?

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  • Reading Maps from SD card in Etrex 20?


    I've been putting off updating my GPS for a long time, and when the Etrex 20 came out I thought, "That's what I've been waiting for". I am now learning to use the custom map features, but am not sure how is the most efficient way to go about it. I want to put my custom maps on a microSD card, and then switch them out as needed. I bought the Garmin Mid-Atlantic 24K card, which works great but I do not much like the "computerized" (for lack of a better word) contour lines. I bought a blank Sandisk 4gb micro card, the same as the Garmin card, but even with my Etrex switched to "mass storage mode", it seems I can only save my custom maps to the internal memory.

    Can anyone help me save my map files to the card, and read from it when it is installed?

    Thanks very much!