20
Heart Rate Features
paired with a compatible power meter, the device can
automatically detect your functional threshold power
(FTP) during an activity.
NOTE:
The device detects a maximum heart rate only
when your heart rate is higher than the value set in
your user profile.
1
Hold
MENU
.
2
Select
Physiological Metrics
>
Auto Detection
.
3
Select an option.
Syncing Activities and Performance Measurements
You can sync activities and performance
measurements from other Garmin devices to your
fēnix device using your Garmin Connect account.
This allows your device to more accurately reflect
your training status and fitness. For example, you
can record a ride with an Edge device, and view your
activity details and overall training load on your fēnix
device.
1
Hold
MENU
.
2
Select
Physiological Metrics
>
TrueUp
.
When you sync your device with your smartphone,
recent activities and performance measurements from
your other Garmin devices appear on your fēnix device.
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 fēnix 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,
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.
Purple
Superior
Blue
Excellent
Green
Good
Orange
Fair
Red
Poor
VO2 max. data is provided by FirstBeat. VO2 max.
analysis is provided with permission from The Cooper
Institute
®
. For more information, see the appendix
VO2 Max. Standard Ratings, page 57
.
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 device (
Pairing Your Wireless Sensors, page
).
For the most accurate estimate, complete the user
profile setup (
Setting Up Your User Profile, page 26
),
and set your maximum heart rate (
). The estimate may seem
inaccurate at first. The device requires a few runs to
learn about your running performance.
1
Run for at least 10 minutes outdoors.
2
After your run, select
Save
.
3
Select
to scroll through the performance
measurements.
Getting Your VO2 Max� Estimate for Cycling
This feature requires a power meter and wrist-based
heart rate or a compatible chest heart rate monitor.
The power meter must be paired with your fēnix device
Pairing Your Wireless Sensors, page 47
). If you are
using a chest heart rate monitor, you must put it on
and pair it with your device.
For the most accurate estimate, complete the user
profile setup (
Setting Up Your User Profile, page 26
)
and set your maximum heart rate (
). The estimate may seem
inaccurate at first. The device requires a few rides to
learn about your cycling performance.
1
Ride at a steady, high intensity for at least 20
minutes.
2
After your ride, select
Save
.
3
Select
to scroll through the performance
measurements.
Viewing Your Predicted Race Times
For the most accurate estimate, complete the user
profile setup (
Setting Up Your User Profile, page 26
),
and set your maximum heart rate (
).
Your device uses the VO2 max. estimate (
) and your training history to
provide a target race time. The device analyzes several
