U71D firmware two problems

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This topic contains 1 reply, has 2 voices, and was last updated by  dave 2 years, 9 months ago.

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  • #936


    my OS of laptop is win10.
    I used firmware(U71D version) and it have a critical problem.
    i wanna use GPStime and GPS ID from um7.
    so i updated firmware from version U71C to version U71D.(i checked i get gps data)
    first, insane address(0x89) was being come periodically and i can’t find the information of those in UM7 Datasheet.
    but i still can’t get Sat id .
    why do not UM7 getting Sat ID data-set() to using firmware?

    Second, in order to solve that it can’t use GPS time, i changed bin packet to NMEA packet.
    only check box on NMEA packet, but insane address(0x89) was come as ever.
    I changed it to U71C again diffically, NMEA packet is work well(didn’t come insane address).

    when I bought three ‘UM7’, that UM7 can transfer GPSid was attractive. So if you can sovle this problem or dont answer that, I’m going to be disapointed.

  • #937


    if you are revising Dataasheet i wanna know it

  • #1014


    Hi Dave! I have the same problem with the um7, I reprogramed it with the U71D.hex but now I get often the (0x89) crazy adress.
    But I can`t find the U71C.hex versiĆ³n on the web to program the sensor again. Can you share it with me??

  • #1031


    If anyone still try to find the U71C.hex you can download it from:
    I just renamed the link from U71D to U71C and it worked.
    Hope it helps.

  • #1077

    Hello everyone,

    please see the following link
    register 137

    we are working on updating the datasheet/software which will address all these issues as fast as possible

    Thank you for your support and patience.


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