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  1. #191
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    Quote Originally Posted by MLA60 View Post
    Hi, If you can, please write me: how many meters the best measured satellite accuracy on the converted 3790 (to 3490)?
    It depend on you are moving or not.
    Stand still + Clear sky I got 3 Meters accuracy.
    On car moving without Signal Radiator I got about 6-8 Meters.
    GPS Lover.
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  3. #192
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    Thanks aekhong, my values are similar. But at 3790 it was 3 meters while moving, instead of 6-8 meters.

  4. #193
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    no matter on the accuracy, it's calculation on the possible position error.

  5. #194
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    Quote Originally Posted by bpb View Post
    no matter on the accuracy, it's calculation on the possible position error.
    How about the car "jump" to another road nearby for 16 meter accuracy ?

    I love the low number in accuracy. just my private love. ei ei
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  6. #195
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    Hi, after a succesful upgrade 3760 -> 3490, I am experiencing a decrease in GPS receiver sensitivity. Specifically:
    -car jumps happens often near turn-points (from 100 meters -> 10 meters)
    -car left behind on complex itinerary (like highway junctions)

    In addition to that, in a 10 kms route, device got in hang state in a complex roundabout and crashed just before displaying a split junction view.

    I'd like to know if such behaviors are somehow expected and should cope with that.

    PS: Speech recognition was activated. I suspect that mic and voice processing may introduce an overhead on normal navigation that causes lags, hang and crashes.

  7. #196
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    from your the info screen (before inventory) what's the PCB part # and version?

    The method is follow to what Catymag describe here?
    [Only registered and activated users can see links. ]

  8. #197
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    Bpb, here are the info:
    PCB P/N: 105-01652-00
    PCB Version: 8

    PS: I've strictly followed the instructions provided by catymag

  9. #198
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    your info look normal, I trust you made correct 34xx conversion... we faced only we we use original 37xx boot combination with other fw_all and PCB version changed.

  10. #199
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    bpb, thanks for your input. Stability has improved after a reset (clear non vol stats) and disabling ASR. Now user interface is smoother and JCVs work fine. However, the big problem is the sensitivy (or lack of it). I experienced jumps > 50 mts today with open sky and full GPS signal.

    Regards,
    Rodrigo
    Last edited by rodrigos; 9th February 2012 at 18:03.

  11. #200
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    @ rodrigos

    Many users experience similar issue. (+ crashing/freezing sometimes) Here two question for thinking over:

    - What about the other softwares (regions) of 34xx? Why not also using them for conversion? Main firmware, boot loader and graphical resources (this is what it is included in gcd/rgn) are just part of the 34xx softwares. But not all of them!

    - Are you sure 34xx and 37xx uses the same gps chipset firmwares? (Hint: No they aren't and this software is not stored in main firmware, boot loader and gir which you are using for the conversion)

 

 
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