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Recalculating

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My GPS is acting up when it tries to recalculate my route. It keeps trying to drag me back to the exact spot where I missed a turn, or sometimes even all the way back to my starting point! I'm wondering if this is a software bug or just a bad setting. It's pretty annoying when you can't trust your GPS. Hopefully, someone here has a fix for thi

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  • 0 in reply to RVASSEN

    I’ve now conducted several tests using maps other than the included TopoActiv maps.

    During the tests, I always made sure that only one map layer was active at a time. I performed all tests using the Hiking profile. The destination was selected directly on the map.

    First, I tested OSM maps from https://www.freizeitkarte-osm.de/garmin/de/index.html.
    Result: These maps behave exactly the same way as the included TopoActiv maps during navigation.
    The route recalculation feature when deviating from the route is still unusable.

    Next, I inserted my Garmin Topo Germany SD card into the device (www.garmin.com/.../
    Although the map is quite old, Garmin still sells it, and it's supposed to be compatible with the H1.

    That’s when things got really frustrating.

    After selecting a destination on the map and starting navigation, the device froze. I could only get it working again by pressing and holding the power button. I was able to reproduce this behavior several times. After restarting the device, however, the route was calculated and active.

    But it gets even worse. As soon as I strayed from the calculated route and the device started recalculating, it crashed and restarted. This happened every time it recalculated.

    Result: Although Garmin lists the map as compatible with the device, it is completely unusable and consistently causes the device to freeze and crash.

    I then did something you’re not really supposed to do. I switched the map layer back to the TopoActiv maps and then removed the SD card (Garmin Topo Germany) from the device while it was still turned on. In this state, when it recalculated the route, I received the error message “Route calculation error.”

    My personal conclusion from these tests: Even after so many software releases, the device is still unable to provide satisfactory and stable navigation.

  • 0 in reply to RVASSEN

    Bedankt voor de uitgebreide test, het vreemde is dat het navigeren voor update 12.06 het prima deed. Er is volgens mij nog geen reactie van Garmin, voor deze best wel flinke bug.

  • 0

      is this something you/support could take a look at? Judging from this thread there are multiple users having issues with route/course recalculation when deviating from the initial route/course.

    Happy to share additional info if needed.

  • 0

    I was trying out my H1i+ for car navigation as a backup during holidays. I used the citynavigator map and driving as activity. I did not preload a route, but chose the destination on the map. The device wanted me to return to the point were I left the calculated route. After approximately 20 of 50 kilometers I gave up. 

    Now I tried a navigation during a hike and made screenshots.

    I almost reached the destination, but I still got the prompt to return.

    Shortly before I reached the destination I finally got a recalculation.

    After approximately 500 meters I got a new calculation. Maybe Garmin made in s/w 12.08 a wrong threshold for recalculation, 500 meters instead of 50 meters.

    I went of course again as the magenta line shows, but .....

    .... here it shows that there is no more a navigation. Another bug.

      , no reply to the last request to take care. Maybe these screenshots help to expedite the matter. Thank you in advance

  • 0 in reply to empe

    Hello. I can understand the frustration, if you are having trouble when the device is recalculating the route. For this, I would initially recommend ensuring the mapping is up to date. And if you have not already, I would also recommend powercycling the device. 

    If this is still occurring, I would love to help investigate this further. For this, I will reach out to you via email to collect details of this concern. 

    **

  • 0 in reply to Garmin - LF

      , 

    thank you for taking care of this. I will answer your email directly. Just a few words here.

    I don't think that uploading a video of a 20-minute hike is an adequate way to demonstrate the bug. It is also quite inconvenient to walk while recording a video. My screenshots above should provide sufficient evidence.

    Today, I repeated the test and, after leaving the calculated route, eventually got a route calculation error.

    During the same hike, I started a second navigation and was able to reach the destination from the opposite direction without any new routing being triggered. There was not even a confirmation that I had reached the destination.

    The H1 frequently recalculates, sometimes after only 40 metres, but in these cases no new route is actually calculated. This appears to be the core of the problem.

  • 0 in reply to empe

       

    Unfortunately, the problem still exists with software version 13.07.

    The issue was first reported about two months ago. It was only taken seriously by Garmin approximately two weeks ago, so I did not really expect a fix in 13.07. Nevertheless, I would like to strongly urge Garmin to prioritize a solution and provide a fix as soon as possible.

    Today I used my GPSMAP H1 for automotive navigation. During a 12 km drive, the device continuously recalculated the route, repeatedly trying to return to the previously calculated route. This continued for the entire 12 km until the H1 eventually aborted navigation with a routing error.

    This is not a minor inconvenience or an occasional routing anomaly. Navigation simply does not work reliably.

    I am planning to use the H1 for navigation during an upcoming vacation, so this issue is becoming increasingly important to me.

    The GPSMAP H1 is explicitly marketed with “ADVANCED NAVIGATION”. Navigation is therefore a core function of the device — and currently, this core function is not working properly.

    I understand that fixing a complex routing problem may take some time. However, considering that the issue has already been known for around two months, I would really expect this to receive a high priority now.

    Please investigate this issue thoroughly and provide a fix as soon as possible.

  • 0 in reply to empe

    Strange that this happens when you are close to your final destination. It has also happened to me a couple of times. The whole route there's nothing wrong, but as soon as you are at the final destination the H1i plus starts acting weird. Incomprehensible."

  • 0

    I got the update last night.  Use it for work today and still want to U-Turn on missed turns.  Disappointed

    Only way around is to stop the navigation and re-route and it will put me on forward course instead of making me u-turn.