The app uses a haptic alert to notify you. You don't even have to look at the screen to know if you are in the preferred HR-zone. But you can effortlessly check the watch to see how high your HR is, because it turns red when it gets out of the zone you set.
You'll need your maximum heart rate and resting heart rate. This will help you determine your target zone, which might vary depending on your goal. There are many methods and online calculators. It is worth reading about it, then select the method that suits you the most.
Some links connected to this topic:
- Heart.org
- MayoClinic.org
Watch app screen with alert |