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 D2 Mach 1 device (
Pairing Your Wireless Sensors, page 79
). 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 94
) and set
your maximum heart rate (
Setting Your Heart Rate Zones, page 95
). 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 UP or DOWN to scroll through the performance measurements.
TIP: You can select START to view additional information.
Viewing Your Predicted Race Times
For the most accurate estimate, complete the user profile setup (
Setting Up Your User Profile, page 94
), and set
your maximum heart rate (
Setting Your Heart Rate Zones, page 95
).
Your watch uses the VO2 max. estimate (
About VO2 Max. Estimates, page 57
) and your training history to
provide a target race time. The watch analyzes several weeks of your training data to refine the race time
estimates.
TIP: If you have more than one Garmin device, you can enable the Physio TrueUp
™
feature, which allows your
watch to sync activities, history, and data from other devices (
Syncing Activities and Performance
).
1 From the watch face, press UP or DOWN to view the performance glance.
2 Press START to view glance details.
3 Press UP or DOWN to view a predicted race time.
4 Press START to view predictions for other distances.
NOTE: The predictions may seem inaccurate at first. The watch requires a few runs to learn about your
running performance.
Heart Rate Variability and Stress Level
Stress level is the result of a three-minute test performed while standing still, where the D2 Mach 1 device
analyzes heart rate variability to determine your overall stress. Training, sleep, nutrition, and general life stress
all impact how a runner performs. The stress level range is from 1 to 100, where 1 is a very low stress state and
100 is a very high stress state. Knowing your stress level can help you decide if your body is ready for a tough
training run or yoga.
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