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Strain shows how much you have strained yourself with training lately. It shows your average daily cardio load from
the past 7 days.
Tolerance describes how prepared you are to endure cardio training. It shows your average daily cardio load from
the past 28 days. To improve your tolerance for cardio training, slowly increase your training over a longer period of
time.
FuelWise™
Stay energized throughout your session with the FuelWise™ fueling assistant. FuelWise™ includes three features that
remind you to refuel and help you maintain adequate energy levels during your long sessions. These features are Smart
carbs reminder, Manual carbs reminder and Drink reminder.
It’s crucial for any serious endurance athlete to maintain adequate energy levels and stay hydrated throughout a long
performance. To perform at your best, you need to fuel your system with carbohydrates and drink regularly in the course of
a long race or a training session. With two useful tools, carbs reminder and drink reminder, FuelWise helps you find the
optimal way to fuel and stay hydrated.
Carbohydrates are ideal for fueling because they can be absorbed and converted into glucose quickly, unlike fat or protein.
Glucose is the primary source of energy used during training. The higher your training intensity, the more glucose you use
in proportion to fat. If your session is shorter than 90 minutes, you don't usually need to fuel with carbs. However, extra
carbs may help you stay more alert and focused even during a shorter session.
Training with Fuelwise
FuelWise™ is located in the main menu under Fueling, and consists of three types of reminders during training sessions.
These are Smart carbs reminder, Manual carbs reminder and Drink reminder. The Smart carbs reminder calculates your
refueling need from your estimated session intensity and duration taking your training background and physical details into
account. The Manual carbs reminder and Drink reminder are time-based, which means you'll get a reminder at preset
intervals, every 15 or 30 minutes for example.
When using any of the fueling features the training session is started from the Fueling menu. After setting your reminder
and choosing Next , you'll be taken straight to the pre-training mode. Then choose your sport profile and start your session.
Smart carbs reminder
When using the smart carbs reminder, set the estimated session duration and intensity, and we'll estimate the amount of
carbs you'll need for refueling during your session. When estimating your carbohydrate need for refueling we take your
training background and physical settings including age, gender, height, weight, maximum heart rate, resting heart rate,
VO2max, aerobic heart rate threshold and anaerobic heart rate threshold into account.
Your capability to absorb carbohydrates is estimated from your training background. This limits the maximum amount of
carbohydrates (grams per hour) that the smart carbs reminder can give you. This data is used to pre-calculate the
relationship between your heart rate and carbohydrate consumption rate based on your physical settings. The
recommended carbohydrate intake rate is then adjusted up or down (within min/max limits) based on your heart rate data
and the pre-calculated heart rate vs. carbohydrate consumption rate relationship.
During training, your watch will track your actual energy expenditure and adjust the frequency of the reminders accordingly
but the portion size (carbs in grams) is always the same during a session.
Set smart carbs reminder
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