REVIEW: Garmin HRM-PRO – Garmins best heart rate belt so far. Garmin HRM-PRO is a premium heart rate belt for running, training and everyday use. As a new feature it has memory so you can use it without your heart rate watch. The new Garmin HRM-PRO heart rate belt is similar to the HRM-TRI belt. But as a new feature it introduces memory which You can pair your heart rate monitor to the Garmin Connect™ app to use the activity tracking feature and receive software updates. Put on the heart rate monitor. From the app store on your phone, install and open the Garmin Connect app. Pair the HRM-Pro™ accessory with your Garmin device again, according to the instructions. Make sure you are paired using ANT‍+ ® , rather than Bluetooth ® . If the running dynamics data display shows only zeros, make sure the accessory is worn right-side up. HRM Run battery issues. JuanPsdlg over 5 years ago. Hello, since a couple of weeks I am having issues with my HRM run. First it was not synching so I changed the battery, it worked, just after ibweI for a run and no issues. The day after it was not synching anymore, I changed the battery again and it worked again and after a it was not working Recovery run – And that is very easy. 2. Threshold running – That is marathon race pace. 3. Half marathon pace. 4. 10k pace running pace. "So you just have to work out your heart rate for First, make sure that your Garmin monitor is turned on and within range of your iPhone. Then, open the Settings app on your iPhone and go to the Bluetooth menu. You should see your Garmin device listed under the “Other Devices” section. Tap on it to begin pairing. Once the two devices are paired, you’ll be able to see your heart rate data Pairing a Garmin HRM-Dual with an Apple Watch. To pair your Garmin HRM dual to your Apple Watch, first, make sure that your device is discoverable. Then launch the Settings app on your Apple Watch HRM Tri will not pair with a Forerunner 935. KimberleeJohnson over 3 years ago. I have tried everything to pair the Forerunner 935 with my new HRM Tri. I tried everything mentioned in this documentation, My Chest Heart Rate Monitor Will Not Pair or Display Data with My Device | Garmin Support. The battery is not dead, I can connect the HRM Tri erC485b.