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Should “Broadcast HR” disable abnormal heart-rate alerts?

I was broadcasting my heart-rate on my Forerunner 955 to TrainerRoad on my iPad while doing an indoor workout, and received several “Abnormal High HR” alerts while working out. Since these alerts are not supposed to be triggered while “active” it appears that the watch didn’t know I was active (makes sense given the stationary nature of biking on a trainer). However, the fact that I had “Broadcast HR” enabled, and a device paired and receiving it, is probably a very strong indicator that I’m “active” even if nothing else indicates such. Could this be fixed?

Side question: do most people record on their watch/computer while also recording on a supported third-party app like TrainerRoad or Zwift? If I’d been recording on the watch, I assume I wouldn’t have been alerted, but I’d also have a duplicate activity in Garmin Connect unless I discarded it. It doesn’t make a ton of sense to me to record an activity with intent to discard, but it also seems I don’t get every bit of data recorded if I rely on just the TrainerRoad activity sync (like respiration, estimated sweat-loss, or in the case of power, my L/R balance).

  • Another related question: in this DC Rainmaker post it appears that, at least for the Fenix 6, this broadcast feature supported two concurrent connections. I briefly tried to connect my Forerunner over Bluetooth Smart to both TrainerRoad (running on my iPad) and Zwift (running on my Apple TV), but couldn’t get the second connection established. Now, I didn’t try very hard, so maybe it does work, but can anyone confirm?

  • I’ve since turned off both high heart-rate alerts and move alerts, since it doesn’t seem smart enough to know that I’m exercising while broadcasting the HR.