Heart Rate Features
The Forerunner® device has a wrist-based heart rate monitor and is also compatible with chest heart rate monitors. You can view heart rate data on the heart rate widget. If both wrist-based heart rate and chest heart rate data are available, your device uses the chest heart rate data.
There are several heart rate-related features available in the default widget loop.
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Your current heart rate in beats per minute (bpm). The widget also displays a graph of your heart rate for the last four hours, highlighting your highest and lowest heart rate. |
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Your current stress level. The device measures your heart rate variability while you are inactive to estimate your stress level. A lower number indicates a lower stress level. |
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Your current Body Battery™ energy level. The device calculates your current energy reserves based on sleep, stress, and activity data. A higher number indicates a higher energy reserve. |
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The current saturation of oxygen in your blood. Knowing your oxygen saturation can help you determine how your body is adapting to exercise and stress. NOTE:
The pulse oximeter sensor is located on the back of the device.
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