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NOTE: The optical sensor is located on the back of the
device.
See Tips for Erratic Heart Rate Data, page 12 for more
information about wrist-based heart rate.
See Tips for Erratic Pulse Oximeter Data, page 20 for more
information about the pulse oximeter sensor.
For more information about accuracy, go to garmin.com
/ataccuracy.
For more information about device wear and care, go to
www.garmin.com/fitandcare.
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.
Wait until the icon is solid before starting your activity.
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.
Viewing the Heart Rate Widget
1
From the watch face, press UP or DOWN to view the heart
rate widget.
NOTE: You may need to add the widget to your widget loop
(Customizing the Widget Loop, page 30).
2
Press START to view your current heart rate in beats per
minute (bpm) and a graph of your heart rate for the last 4
hours.
3
Press DOWN to view your average resting heart rate values
for the last 7 days.
Broadcasting Heart Rate Data to Garmin
®
Devices
You can broadcast your heart rate data from your Forerunner
device and view it on paired Garmin devices.
NOTE: Broadcasting heart rate data decreases battery life.
1
From the heart rate widget, hold .
2
Select Options > Broadcast Heart Rate.
The Forerunner device starts broadcasting your heart rate
data, and appears.
NOTE: You can view only the heart rate widget while
broadcasting heart rate data from the heart rate widget.
3
Pair your Forerunner device with your Garmin ANT+
compatible device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, press any
button, and select Yes.
Broadcasting Heart Rate Data During an Activity
You can set up your Forerunner device to broadcast your heart
rate data automatically when you begin an activity. For example,
you can broadcast your heart rate data to an Edge device while
cycling, or to a VIRB action camera during an activity.
NOTE: Broadcasting heart rate data decreases battery life.
1
From the heart rate widget, hold .
2
Select Options > Broadcast During Activity.
3
Begin an activity (Starting an Activity, page 2).
The Forerunner device starts broadcasting your heart rate
data in the background.
NOTE: There is no indication that the device is broadcasting
your heart rate data during an activity.
4
Pair your Forerunner device with your Garmin ANT+
compatible device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, stop the
activity (Stopping an Activity, page 2).
Setting an Abnormal Heart Rate Alert
CAUTION
This feature only alerts you when your heart rate exceeds or
drops below a certain number of beats per minute, as selected
by the user, after a period of inactivity. This feature does not
notify you of any potential heart condition and is not intended to
treat or diagnose any medical condition or disease. Always defer
to your health care provider for any heart-related issues.
You can set the heart rate threshold value.
1
From the heart rate widget, hold .
2
Select Options > Abnormal Heart Rate Alerts.
3
Select High Alert or Low Alert.
4
Set the heart rate threshold value.
Each time your heart rate exceeds or drops below the threshold
value, a message appears and the device vibrates.
Turning Off the Wrist-based Heart Rate Monitor
The default value for the Wrist Heart Rate setting is Auto. The
device automatically uses the wrist-based heart rate monitor
unless you pair an ANT+ heart rate monitor to the device.
NOTE: Disabling the wrist-based heart rate monitor also
disables the wrist-based pulse oximeter sensor. You can
perform a manual reading from the pulse oximeter widget.
1
From the heart rate widget, hold .
2
Select Options > Status > Off.
Chest Heart Rate While Swimming
The HRM-Pro, HRM-Swim, and HRM-Tri heart rate accessories
record and store your heart rate data while you are swimming.
To view your heart rate data, you can add heart rate data fields
(Customizing the Data Screens, page 31).
NOTE: Chest heart rate data is not visible on compatible
Forerunner devices while the heart rate monitor is underwater.
You must start a timed activity on your paired Forerunner device
to view stored heart rate data later. During rest intervals when
out of the water, the heart rate accessory sends your heart rate
data to your Forerunner device. Your Forerunner device
12 Heart Rate Features
18


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