Garmin Fenix 5x Owner's Manual - Page 16
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recover, so you should pay attention to your overall
health including stress, nutrition, and rest.
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 5X device requires wrist-
based heart rate or a compatible chest heart rate
monitor to display your VO2 max. estimate.
Your VO2 max. estimate appears as a number and
position on the color gauge.
Purple
Blue
Green
Orange
Red
VO2 max. data and analysis is provided with permission
from The Cooper Institute
(VO2 Max. Standard Ratings, page 45)
the appendix
and go to 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 device
(Pairing ANT+ Sensors, page 37)
If your fēnix 5X device was packaged with a heart rate
monitor, the devices are already paired.
For the most accurate estimate, complete the user
profile setup
(Setting Up Your User Profile, page
18)
, and set your maximum heart rate
Heart Rate Zones, page 18)
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 UP or DOWN to view the performance widget.
4 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 5X
FĒNIX
5X
®
Superior
Excellent
Good
Fair
Poor
. For more information, see
®
(Setting Your
. The estimate may seem
device
(Pairing ANT+ Sensors, page 37)
using a chest heart rate monitor, you must put it on
and pair it with your device. If your fēnix 5X device was
packaged with a heart rate monitor, the devices are
already paired.
For the most accurate estimate, complete the user
profile setup
(Setting Up Your User Profile, page
18)
and set your maximum heart rate
Heart Rate Zones, page 18)
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 UP or DOWN to view the performance widget.
4 Select
to scroll through the performance
measurements.
Recovery Time
You can use your Garmin device with wrist-based heart
rate or a compatible chest heart rate monitor to display
how much time remains before you are fully recovered
and ready for the next hard workout.
Recovery time: The recovery time appears immediately
following an activity. The time counts down until it is
optimal for you to attempt another hard workout.
Viewing Your Recovery Time
For the most accurate estimate, complete the user
profile setup
(Setting Up Your User Profile, page 18)
and set your maximum heart rate
,
Rate Zones, page 18)
1 Go for a run.
After 6 to 20 minutes, your performance condition
appears
(Viewing Your Performance Condition, page
16)
.
2 After your run, select Save.
.
The recovery time appears. The maximum time is 4
days.
NOTE: From the watch face, you can select UP or
DOWN to view the performance widget, and select
to scroll through the performance measurements
to view your recovery time.
Training Load
Training load is a measurement of your training volume
over the last seven days. It is the sum of your EPOC
measurements for the last seven days. The gauge
indicates whether your current load is low, high, or
within the optimal range to maintain or improve your
fitness level. The optimal range is determined based
on your individual fitness level and training history.
The range adjusts as your training time and intensity
increase or decrease.
Viewing Your Predicted Race Times
For the most accurate estimate, complete the user
. If you are
(Setting Your
. The estimate may seem
(Setting Your Heart
.
,
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