Launch Tacx app. Connects to HRM and shows current heart rate. Close Tacx app. Launch Zwift again. Same as above; connects to HRM but pairing screen shows 0bpm or No Signal. Close Zwift. Take off Garmin HRM Dual monitor and put on Wahoo Tickr HRM monitor (after wetting strap). Launch Zwift. 965 and External HRM. I'm primarily a cyclist and use an Edge 1040 with a Garmin HRM-Dual and Vector 3 pedals for most of my workouts/rides. I use my watch (a new 965) primarily as a daily wearable, and for non-cycling activities (hikes, snowshoeing, etc.). I've paired my external HRM to the watch so it records a more accurate reading during 3) (okay, three things) You are using it wrong. Garmin Connect can't start an activity, so the HRM dual won't feed any recordable information to it. Connecting the HRM Dual to Garmin Connect really only allows it to checkbfor updates and report battery status. 4) (okay, I lied about two things) Your watch and HRM Dual default to ANT+ and you Very happy with my Polar H10 strap. Best HRM strap for my use of CrossFit, running and on the bike. I’ve actually more than one H10. They’ve held up well. I do also own a Garmin HRM Pro, Dual and Wahoo Tickr X2. Since I use a number of different devices (watches, bike computers, etc), I like Polar H10 as my typical goto HRM strap. Either that or talk to Apple about allowing the use of the Wahoo dongle with their newer smart phones would be a good thing. I actually find it rather surprising that two companies with a long history of innovation like Apple and Garmin aren't working together to grow a wider customer base. Another options is to do what I now do. From the main menu on your device, select Setup > Bluetooth > Pair Mobile Device. On your compatible smartphone, enable Bluetooth® wireless technology, and search for your GPSMAP 64s/sc/st/sx/csx device. A passkey appears on your device screen. On your compatible smartphone, enter the passkey. Bluetooth Connected Features. Garmin Connect App Compatibility Requirements | Garmin Customer Support. FREE GROUND SHIPPING ON ORDERS $25 AND UP. 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 products. Can I Pair A Newer Garmin Heart Rate Monitors With My Older Garmin Device? | Garmin Customer Support. FREE GROUND SHIPPING ON ORDERS $25 AND UP. 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 products. .

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