GMW B5000 auto time adjustment fails
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Thread: GMW B5000 auto time adjustment fails

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  1. #1
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    GMW B5000 auto time adjustment fails

    Hi all,

    I made sure to read hopefully most topics about this issue.

    The facts:
    1) The app seems to successfully run in background, I tested it this morning by triggering a quick time adjustment by pressing D. It successfully adjusted the time (RCVD appeared) and stored the location, I checked in the app
    2) I keep the phone with me in the office during the day. During night (10PM -> 7AM), I keep the phone on Airplaine mode
    3) For days I have never seen the RCVD indicator
    4) Inside App -> Time Adjustment I have only 2 entries in the history: May 16 12:32 and May 15 18:32.

    Anyone has any idea what's going on? As a last resort, I'm thinking to disable the bluetooth connection and leave it to sync through MB6.

  2. #2
    Member kenls's Avatar
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    Re: GMW B5000 auto time adjustment fails

    Quote Originally Posted by schiorean View Post
    Hi all,

    I made sure to read hopefully most topics about this issue.

    The facts:
    1) The app seems to successfully run in background, I tested it this morning by triggering a quick time adjustment by pressing D. It successfully adjusted the time (RCVD appeared) and stored the location, I checked in the app
    2) I keep the phone with me in the office during the day. During night (10PM -> 7AM), I keep the phone on Airplaine mode
    3) For days I have never seen the RCVD indicator
    4) Inside App -> Time Adjustment I have only 2 entries in the history: May 16 12:32 and May 15 18:32.

    Anyone has any idea what's going on? As a last resort, I'm thinking to disable the bluetooth connection and leave it to sync through MB6.
    Iím currently doing a(nother) 4 week test with my GMW-B5000 and GW-B5600 alternating weeks between Android 9 and iOS. For this test, the watch and device are no more than 6 inches apart. Thereís no rhyme or reason I can find as to why the watches and app either sync or donít. As I mentioned in a different thread I am fairly certain that in the end Iíll disable bluetooth and rely on MB6.
    Ken

  3. #3
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    Re: GMW B5000 auto time adjustment fails

    Which OS?

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  5. #4
    Member Sir-Guy's Avatar
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    Re: GMW B5000 auto time adjustment fails

    Someone else who actually has one of these should chime in, but I recall reading about the same issue. I think the conclusion was that it defaulted to trying to sync through Bluetooth, and your phone being in airplane mode didnít necessarily tell the watch to not try it. The other member, whose username escapes me, completely disconnected the Bluetooth (unpaired it and all that) and then it synced through MB6, giving the RCVD.

    Iíll see if I can find the thread.
    kenls likes this.

  6. #5
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    Re: GMW B5000 auto time adjustment fails

    Ok I think I sorted out, it's clearly an issue with Casio's Bluetooth auto sync logic.

    Yesterday at 18:32 the watch started auto sync, watch on hand and phone in my pocked. It failed (as in RCVD didn't appear). Then I manually triggered a time connection through BT by pressing D. It succeeded (as in RCVD appeared)!

    The only explanation I have is that Casio's BT auto sync is using some form of lower energy BT connection, that's why auto BT sync failed but in the next minute manual BT sync succeeded. My guess now is that BT auto sync works only if the watch is really close to the phone. But I didn't bother anymore, simply unpaired the watch and the nightly MB6 works flawless now.

    Too bad Casio didn't implement an option to choose between BT or MB6.
    tomchicago likes this.

  7. #6
    Member Nemo_Sandman's Avatar
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    Re: GMW B5000 auto time adjustment fails

    I have des install Bluetooth on mine.
    Now the Silver Full Mťtal is only sun with MB6.
    Guess what?
    I got "Received" every day.
    Really not missing BT as the sync is random and kills the RCVD indicator at each failed try.


    Envoyť de mon SM-G965F en utilisant Tapatalk
    kenls, Byron2701 and tomchicago like this.

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