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Extrenal HRM after 10 update

kubek.
over 5 years ago

Hello everyone. After 10 update my external HRM belt is crazy.

Before update were i go to training with HRM belt: garmin Search external HRM -> training with external HR-> after training garmin disconnect HRM belt and back to measure with wrist.

After update start the same but after training HRM belt not disconnect and measure with them all the time. Wright now i left my belt on the chair and garmin show 225 HRM rate haha.

any ideas how to fix this problem?

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  • 0 over 5 years ago

    Hi,

    No issues here. I did already 2 runs with 10.0 and my HRM run works perfectly. As I read your post, I checked my watch, which is in reach of my both HRMs and it does not show any heartrate after I put the HRM off (optical HRM deactivated). Do I understand you right, that you actively disconnect your HRM? There is no need to do that, just put it off, the Ant+ search does not consume a significant amount of battery.

    Maybe the 225 heart rate comes from your optical HRM? For me optical HRM deliveres totaly wrong data during running and cycling, it seeme o.k. only without sports or for weight training.

  • 0 over 5 years ago

    Where did you see the 225 BPM? In the HR widget, or on the watch face?

    If you saw it in the widget, then this is the way it has always been:
    1. If the widget sees an external HRM, it will disable the wrist measurement and show the data from the HRM belt instead. This behaviour is easy to verify by looking at the green LEDs on the rear of the watch while looping through widgets and watch face.

    2. When you take your Garmin HRM chest strap off, it will send false HR, usually more than 200 BPM and less than 250 BPM.

    When you combine 1 and 2, you get your 225 BPM in the HR widget. Business as usual.

    However, if you also see the 225 BPM in the watch face, not only in the widget, something has changed.

  • 0 over 5 years ago in reply to RunR

    After training I take off my belt and Garmin switch to measure with bulit in optical and this was ok but After update when I take off external HRM belt Garmin all the time measure with belt. So when I put off the belt Garmin shows in the widget HR 225 hrm because measure was in air or something.

  • Former Member
    0 Former Member over 5 years ago

    I'm not seeing this with 10.00 but then I always unplug my sensor from the belt first as I have the older HRM-RUN. Next run I'll test taking it off first before unplugging it and see if I see the same

  • 0 over 5 years ago in reply to kubek.
    kubek. said:
    After training I take off my belt and Garmin switch to measure with bulit in optical and this was ok but After update when I take off external HRM belt Garmin all the time measure with belt. So when I put off the belt Garmin shows in the widget HR 225 hrm because measure was in air or something.

    OK. So you see it in the HR widget.

    This is not new behaviour. The HR widget will use the belt if it can find one. If it can't find a belt, it will use the optical HRM.

    Feel free to roll back to an earlier firmware version, but it will not change this behaviour.

    A few links:
    Official confirmation from Garmin that the HR widget will use the belt if it can find one:
    https://support.garmin.com/en-US/?faq=S7nANI9Mq91RAcbd04CDD9

    Someone else experiencing exactly the same as you with a 935 more than 2 years ago, including the part with 200+ BPM when not wearing the belt:
    https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-935/136676/continuous-hr-registration-from-external-sensor-possible

    Myself experiencing the 200+ BPM behaviour with a HRM-Run and a Fenix 5X+ 12 months ago:
    https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-935/154974/unrealistically-high-heart-rate

  • 0 over 5 years ago in reply to AllanOlesen67

    thank you competent answer but hmm mistake must be somewhere else. I remember well that before the update, when I left for training, I waited for the message that an external sensor was found. and after training, when I was stretching and I had the strap removed, the pulse was from the wrist. now it looks like that after training, when the belt is in the wardrobe and I stretch, the heart rate is measured from unknowns and is 225 beats haha.

  • 0 over 5 years ago in reply to kubek.

    I use the wahoo Tickr and no need to disconnect as already explained. However if you have the HR belt in the proximity of the watch it might find the ANT+ signal and give you strange readings. I sometimes have the HRstrap in my bag when i bike home and if I will see sometimes the HRstrap being picked up. 

    Best is to stretch with the HRstrap on and leave it after the activity 'far' away from the watch. My HRstrap doesn't activate the ANT+ signal when it's lying still. I can see that the lights on teh strap come up and it wakes up when i pick it up or when the bag moves to much. 

  • 0 over 5 years ago

    Haven't noticed this behaviour, after ending an activity it switches to optical. 

  • 0 over 5 years ago in reply to sholling
    sholling said:
    Haven't noticed this behaviour, after ending an activity it switches to optical. 

    Try this:

    • End your activity.
    • Keep your HR belt on.
    • Go into the HR widget.
    • Look beneath your watch - is the green lights on?

    If they are on in that situation, your watch behaves differently from everyone else's. (Or you may have changed the setup of the OHR - I can't remember if there is a setting for forcing it on.)

  • 0 over 5 years ago in reply to AllanOlesen67

    I have the same understanding as .

    The issue here is not the watch, but the chest strap keeping to transmit (false) HR signal after being taken off instead of shutting down.

    Stay out of the HR widget after ending the workout and you’ll be fine.

    Or - if you want to continue monitoring your HR with the HR widget while stretching, then simply keep the strap on.

    Btw: OHR settings are ‘Automatic’ or ‘Off’.