Heart Rate Features
The Forerunner device has a wrist-based heart rate monitor and is also compatible with ANT+
®
chest heart rate
monitors. You can view wrist-based heart rate data on the heart rate widget. When both wrist-based heart rate
and ANT+ heart rate data are available, your device uses the ANT+ heart rate data.
Wrist-based Heart Rate
Wearing the Device
• Wear the device above your wrist bone.
NOTE: The device should be snug but comfortable. For more accurate heart rate readings, the device should
not move while running or exercising.
NOTE: The optical sensor is located on the back of the device.
• See Tips for Erratic Heart Rate Data, page 17 for more information about wrist-based heart rate.
• For more information about accuracy, go to garmin.com/ataccuracy.
Tips for Erratic Heart Rate Data
If the heart rate data is erratic or does not appear, you can try these tips.
• Clean and dry your arm before putting on the device.
• Avoid wearing sunscreen, lotion, and insect repellent under the device.
• Avoid scratching the heart rate sensor on the back of the device.
• Wear the device above your wrist bone. The device should be snug but comfortable.
• Warm up for 5 to 10 minutes and get a heart rate reading before starting your activity.
NOTE: In cold environments, warm up indoors.
• Rinse the device with fresh water after each workout.
Heart Rate Features 17
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