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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. The tactix device requires wrist-based heart rate or a
compatible chest heart rate monitor to display your VO2 max. estimate. The device has separate VO2 max.
estimates for running and cycling. You must run either outside with GPS or ride with a compatible power meter
at a moderate level of intensity for several minutes to get an accurate VO2 max. estimate.
On the device, your VO2 max. estimate appears as a number, description, and position on the color gauge. On
your Garmin Connect account, you can view additional details about your VO2 max. estimate, such as where it
ranks for your age and gender.
Purple
Blue
Green
Orange
Red
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
www.CooperInstitute.org.
Getting Your VO2 Max. Estimate for Running
This feature requires wrist-based heart rate or a compatible chest heart rate monitor. If you are using a chest
heart rate monitor, you must put it on and pair it with your watch
For the most accurate estimate, complete the user profile setup
your maximum heart rate
The watch requires a few runs to learn about your running performance. You can disable VO2 max. recording for
ultra run and trail run activities if you do not want those run types to affect your VO2 max. estimate
and App Settings,
page 34).
1 Start a running activity.
2 Run for at least 10 minutes outdoors.
3 After your run, select Save.
4 Press UP or DOWN to scroll through the performance measurements.
Appearance
(Setting Your Heart Rate Zones,
Superior
Excellent
Good
Fair
Poor
(VO2 Max. Standard Ratings,
(Pairing Your Wireless Sensors,
(Setting Up Your User Profile,
page 109). The estimate may seem inaccurate at first.
page 149), and go to
page 92).
page 107), and set
(Activities
67
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