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Heart Rate Features
Your watch has a heart rate menu, enabling you to view wrist-based heart rate data.
Displays your current VO2 max., which is an indication of athletic performance and should increase as
your level of fitness improves (Getting Your VO2 Max. Estimate, page 15).
Broadcasts your current heart rate to a compatible device (Broadcasting Heart Rate Data to Garmin
®
Devices, page 16).
Displays your current fitness age, which is based on your VO2 max., resting heart rate, and body mass
index (BMI). (Viewing Your Fitness Age, page 15)
For the most accurate fitness age, complete the user profile setup in your Garmin Connect account.
Wrist Heart Rate Monitor Settings
Press to view the menu, and select > .
Status: Allows you to turn the wrist heart rate monitor on or off.
HR Alerts: Allows you to set the watch to alert you when your heart rate exceeds or drops below a set threshold
after a period of inactivity (Setting an Abnormal Heart Rate Alert, page 16).
Pulse Ox: Allows you to set your watch to record pulse oximeter readings while you are inactive during the day
or continuously while you sleep. (Turning On Pulse Oximeter Sleep Tracking, page 15)
Pulse Oximeter
The vívosmart 5 watch has a wrist-based pulse oximeter to gauge the saturation of oxygen in your blood.
Knowing your oxygen saturation can be valuable in understanding your overall health and help you determine
how your body is adapting to altitude. Your watch gauges your blood oxygen level by shining light into the skin
and checking how much light is absorbed. This is referred to as SpO
2
.
On the watch, your pulse oximeter readings appear as an SpO
2
percentage. On your Garmin Connect account,
you can view additional details about your pulse oximeter readings, including trends over multiple days (Turning
On Pulse Oximeter Sleep Tracking, page 15). For more information on pulse oximeter accuracy, go to
garmin.com/ataccuracy.
Getting Pulse Oximeter Readings
You can manually begin a pulse oximeter reading on your watch at any time. The accuracy of these readings
can vary based on your blood flow, the watch placement on your wrist, and your stillness (Tips for Erratic Pulse
Oximeter Data, page 33).
1 Wear the watch above your wrist bone.
The watch should be snug but comfortable.
2 Swipe to view the pulse oximeter widget.
3 Tap the touchscreen and swipe left.
4 Select to start the pulse oximeter reading.
5 Hold the arm wearing the watch at heart level while the watch reads your blood oxygen saturation.
6 Keep still.
The watch displays your oxygen saturation as a percentage.
NOTE: You can turn on and view pulse oximeter sleep data in your Garmin Connect account (Turning On Pulse
Oximeter Sleep Tracking, page 15).
14 Heart Rate Features
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