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  1. #121
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    @jcquantum
    I know you have a US 265W, but others may not. Always best to say which unit you have, because map image naming capability does vary depending on model.

    You can use on an SD card in a root folder named Garmin, two map names: gmapsupp.img and gmapsup1.img only. This is assuming recently updated fw as you have. If not, only gmapsupp.img will work.
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  3. #122
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    Hi Neil

    Sorry about the unit issue. I know the gmapsupp and gmapsup1 will work. Anything after that just plainly don't sem to be read by the unit itsefl. I'm currently experimenting with the Gmap tool. But I do have some questions on some of the settings in it. I'd hope i can pick your brain about it? Thanks

  4. #123
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    As I said only gmapsupp & gmapsup1 will work on the SD. In the unit itself the naming convention is different. See: [Only registered and activated users can see links. ], that's for 7xx, but 2xx is similar but more basic (no gmap3d.img or gmap3d1.img for instance).
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  5. #124
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    Hi Neil

    So I assume the JVC file/folder is not needed too since it does not support the JVC function?

  6. #125
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    No jcv for 265w, or other 'fancy' files for that matter. You can add Garmin Cyclops and other POIs of course, but otherwise, just maps mainly. See the specs for your unit here:
    Code:
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    Getting OT, this thread is for 'Multiple maps on sd card', so do a bit of reading on the specs and post elsewhere if you have other related queries after that.
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  7. #126
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    Hi.
    It is possible to have multi images on a micro sdhc card in garmin gps.
    On a kingston Micro sdhc 8 Gb class 10 i have 12 different images on the card in my Astro 320.
    name them: gmapsupp1-gapsupp2-gmapsupp3-gmapsup4 osv.
    Aktivate the maps you need, and let the other be deactivated.

    Regards
    Asro

  8. #127
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    Quote Originally Posted by Asro View Post
    On a kingston Micro sdhc 8 Gb class 10 i have 12 different images on the card in my Astro 320.
    name them: gmapsupp1-gapsupp2-gmapsupp3-gmapsup4 osv.
    About new models of Nuvis, and Outdoors models too, the only limitation is the \.System folder, where it's recognized only gmapprom.img (and supplementary Maps such as 3DBuilding).
    In \Garmin and \Map folder Maps with any name, as long as the extension is.IMG, are recognized.
    The Astro 320 falls into this category

  9. #128
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    Quote Originally Posted by FireFox58 View Post
    ....In \Garmin and \Map folder Maps with any name....
    .....and the .\Garmin folder on the SD only, for maps

    Bye,bye

  10. #129
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    Quote Originally Posted by Neil View Post
    The *.img, *.unl & *.gma files are interdependent so it's best they be in the same folder, either on the device (or a card) which the .unl & .gma were originally created for. If you move the map to an sd card to use it in a different unit, it needs to be unlocked, and that means by [Only registered and activated users can see links. ]. Otherwise you would need to repurchase the map and obtain a new .unl & .gma. You can create a new .unl file for the map using the card id with jetmouse, but it'll be useless without a new .gma of course, because the original .gma is specific for the original device/card only, so it won't work with the new .unl.


    Edit: Just to be clear, the map will work in any sd inserted in the unit provided it's accompanied by it's legitimate and appropriately named .unl & .gma files. Accompanied that is, either on the sd with the map, or remaining on the unit. By legitimate, i mean those files that were created or existing when the map/unit was purchased.
    @neil
    i am also running out of space on the internal drive of my 3790t. just as i learned that i can move my factory mapset files from the internal to the sd card which includes, img, unl, gma files. my question is how is it when i have to update it thru the garmin express updater, will it still be ok? will the updater find its way to the original factory mapset being in the sd card. thanks and have a nice day.

  11. #130
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    @jackmawatin
    I'm not particularly a great fan of Garmin Express at the moment. Have a look at this thread: [Only registered and activated users can see links. ].

    As to your question whether GE will find it's way to the oem map and associated unl and gma after moved off the unit to a microSD, try it an see, but i'm tipping only will do that if the files were originally installed there by a Garmin method. Have a read of this too: [Only registered and activated users can see links. ]
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