Why does HRM-Dual consistently shows *very* high HR (170+) during first 6-8 min of warmup during runs? Is this a fit issue? Don't feel like I've maxed out my HR; not gasping
Garmin HRM-DUAL Heart Rate Strap In-Depth Review | DC Rainmaker
Garmin HRM-DUAL Heart Rate Strap In-Depth Review | DC Rainmaker
Garmin 010-12883-00 HRM-Dual Heart Rate Monitor, Black
Troubleshooting your heart rate monitor/strap HR spikes | DC Rainmaker
My Garmin Device Will Not Pair or Display Data From My Chest Heart Rate Monitor | Garmin Customer Support