After that to ALL of mine straps owned, two Hrm Run and now a Hrm Pro, has happened the same thing, I'm sure of that: after changing factory battery the strap drains all brand new battery that you put in in a few hours or days or little more but there's nothing to do, it's like they were short circuited on the strap, when you wear the first time all seems working then the battery get discharged.
Heart Rate will work just fine. Coros won't know what to do with all the other stuff. If you have the strap already, you can use it, but if you're buying the strap specifically to use with a Coros, you can save a lot of money and get something without all the bells and whistles that won't do anything. I have a hard time recommending the Garmin
Battery and Connectivity. The Garmin HRM-Pro has a longer battery life and Bluetooth 5.0 than the Garmin HRM-Tri. Unlike the Garmin HRM-Tri, the Garmin HRM-Pro has both ANT+ and Bluetooth connectivity. Garmin’s heart rate monitors are not rechargeable devices. Instead, they use a replaceable CR2032 battery.
I've had similar experiences with my FR 45. After using it for mobths, HR reading started jumping high during excercises, way above my HR max. I contacted Garmin support and tried everything they suggested, including factory reset. They finally sent me a chest strap to test with, which worked fine.
This is the reason why water, under any circumstances, or sweat can get in. Refitting the battery cover is a fiddly process to get right but it is possible. Garmin have addressed the problem that some people have with the battery cover with the HRM-Pro+ that has a twistable battery cover without any screws. As noted, the solution is to contact
Using the HRM-Pro/Pro Plus Running Pace and Distance Feature | Garmin Customer Support. TO RECEIVE IN-STOCK ITEMS BY DEC. 24, PLACE ORDERS WITH 2ND BUSINESS DAY SHIPPING BY DEC. 20 AT NOON. Garmin Support Center. Garmin Support Center is where you will find answers to frequently asked questions and resources to help with all of your Garmin
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garmin hrm pro not working