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Turning On Pulse Oximeter Sleep Tracking
Before you can use pulse oximeter sleep tracking, you must set your Lily device as your primary activity
tracking device in your Garmin Connect account (Activity Tracking Settings, page 22).
You can set your device to continuously measure your blood oxygen level, or SpO2, for up to 4 hours during
your defined sleep windowTips for Erratic Pulse Oximeter Data, page 29.
NOTE: Unusual sleep positions can cause abnormally low sleep-time SpO2 readings.
1 Press to view the menu.
2 Select > > Sleep Pulse Ox.
3 Select the toggle switch to turn on tracking.
About VO2 Max. Estimates
VO2 max. is the maximum volume of oxygen (in milliliters) you can consume per minute per kilogram of body
weight at your maximum performance. In simple terms, VO2 max. is an indication of athletic performance and
should increase as your level of fitness improves.
On the device, your VO2 max. estimate appears as a number and description. On your Garmin Connect account,
you can view additional details about your VO2 max. estimate, including your fitness age. Your fitness age
gives you an idea of how your fitness compares with a person of the same gender and different age. As you
exercise, your fitness age can decrease over time.
VO2 max. data is provided by Firstbeat Analytics. VO2 max. analysis is provided with permission from The
Cooper Institute
®
. For more information, see the appendix (VO2 Max. Standard Ratings, page 31), and go to
www.CooperInstitute.org.
Getting Your VO2 Max. Estimate
The device requires wrist-based heart rate data and a timed 15 minute brisk walk or run to display your VO2
max. estimate.
1 Press to view the menu.
2 Select > .
If you have already recorded a 15 minute brisk walk or run, your VO2 max. estimate may appear. The device
updates your VO2 max. estimate each time you complete a timed walk or run.
3 Follow the on-screen instructions to get your VO2 max. estimate.
A message appears when the test is complete.
4 To manually start a VO2 max. test to get an updated estimate, tap your current reading and follow the
instructions.
The device will update with your new VO2 max. estimate.
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.
1 Press to view the menu.
2 Select > > HR Alerts.
3 Select High Alert or Low Alert.
4 Select a heart rate threshold value.
5 Select .
Each time you exceed or drop below the custom value, a message appears and the device vibrates.
14 Heart Rate Features
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