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  1. #1
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    Default GPSMAP 496 - Need help

    Thanks in advance for any help you might give me. I have a GPSMAP 496 that I love in every way except one. The internal memory (approx 1.2gb according to Garmin) is not accessible through mapsource or mapinstall. Currently the unit has a combination of flight data and CN loaded on the memory. I would like to be able to use this memory as I wish. Garmin will allow access to it if i download new maps from their site. I can see the unit connected via USB on my system, just can't access it. Any ideas?

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  3. #2
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    Never seen such a device...Don't know is that going to work. Be careful. Responsibility is yours.

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  4. #3
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    Thanks. The problem I worry about using that is I don't know how the flight info is labled in the unit. If any of it is gmapprom than I'll wipe it out. Maybe use gmapprom1.img?

  5. #4
    Navigation software expert Kanopus's Avatar
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    Probably name of img is not important but the option rgn=49. I'm guessing that rgn describe part of internal flash in your device. But once again - it is a guess only.
    Thanks, Kanopus

  6. #5
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    I think that would be REGION49, meaning the lower 49 states. I think it needs to be changed depending on the # of regions you're trying to load.

  7. #6
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    I have an old C510 that I don't mind bricking. I'll give this a shot and see how it works, I don't want to hurt the 496 if I can avoid it. I sold my Zumo and I'm getting ready to sell my 2820, just to go old school with the 496. In my opinion it routes better than anything, especially when I use it on my KTM.

  8. #7
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    Kanopus assumption is the right one. rgn=49 is region 49 of the memory of the unit. Name not important. No connection with the lower 49 states. Aviation data should be on different region. Yes, I am not sure is region 49 a correct one for that unit. May be it could brick the unit. May be, may be... Don't know is c510 a good example. If I am not mistaken it uses flash memory where can easily be entered in USB Mass Storage Mode.

    P.P.:...you should make dump from that region (if possible) to be sure that this one is the correct one...gpsdaemon...0x31...DSKIMG...and again responsibility is yours...

  9. #8
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    I understand the responsibilty, don't worry. I have a 2610 as well that has a basemap on internal memory, CF card for map storage. Maybe it's the better one to try vs the 510?

  10. #9
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    Code:
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    I know it seems confusing at first glance. But try that program before doing anything.

  11. #10
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    You're right! It is confusing! I'll see what I can make of it. Thanks.

 

 

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