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while running or exercising. For pulse oximeter readings, you
should remain motionless.
NOTE: The optical sensor is located on the back of the
device.
See Tips for Erratic Heart Rate Data, page 15 for more
information about wrist-based heart rate.
See Tips for Erratic Pulse Oximeter Data, page 22 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.
While exercising, use a silicone band.
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 36).
2
Press 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 fēnix device
and view it on paired Garmin devices.
NOTE: Broadcasting heart rate data decreases battery life.
1
From the heart rate widget, hold MENU.
2
Select Heart Rate Options > Broadcast Heart Rate.
3
Press .
The fēnix device starts broadcasting your heart rate data, and
appears.
4
Pair your fēnix 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 from
the broadcast heart rate screen.
Broadcasting Heart Rate Data During an Activity
You can set up your fēnix 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 MENU.
2
Select Heart Rate Options > Broadcast During Activity.
3
Begin an activity (Starting an Activity, page 2).
The fēnix 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 fēnix 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 3).
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 MENU.
2
Select Heart Rate 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 MENU.
2
Select Heart Rate Options > Status > Off.
Running Dynamics
You can use your compatible fēnix device paired with the
HRM-Tri accessory or other running dynamics accessory to
provide real-time feedback about your running form.
The running dynamics accessory has an accelerometer that
measures torso movement in order to calculate six running
metrics.
Cadence: Cadence is the number of steps per minute. It
displays the total steps (right and left combined).
Vertical oscillation: Vertical oscillation is your bounce while
running. It displays the vertical motion of your torso,
measured in centimeters.
Ground contact time: Ground contact time is the amount of
time in each step that you spend on the ground while
running. It is measured in milliseconds.
NOTE: Ground contact time and balance are not available
while walking.
Heart Rate Features 15
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