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Heart rate responds to training intensity depending on factors such as fitness and recovery levels, as well as
environmental factors. It is important to look out for subjective feelings of fatigue, and to adjust your training
program accordingly.
SMART CALORIES
The most accurate calorie counter on the market calculates the number of calories burned. The energy
expenditure calculation is based on:
l Body weight, height, age, gender
l Individual maximum heart rate (HR
max
)
l Heart rate during training
l Individual resting heart rate value (HR
rest
)
l Individual maximal oxygen uptake (VO2
max
)
l Altitude
For best possible Smart Calories information accuracy, please give V650 your measured VO2max and
HRmax values if you have them.
TRAINING BENEFIT
The Training Benefit feature helps you better understand the effectiveness of your training. This feature
requires the use of the heart rate sensor. After each training session you get textual feedback on your per-
formance providing that you have trained at least a total of 10 minutes in the sport zones. The feedback is
based on training time distribution on sport zones, calorie expenditure and duration. In Training Files you get
the feedback in more detail. The descriptions of different training benefit options are listed in the table below
Feedback Benefit
Maximum training+ That was a hard session! You improved your sprint speed and the
nervous system of your muscles, which make you more efficient.
This session also increased your resistance to fatigue.
Maximum training That was a hard session! You improved your sprint speed and the
nervous system of your muscles, which make you more efficient.
Maximum & Tempo training What a session! You improved your speed and efficiency. This ses-
sion also significantly developed your aerobic fitness and your abil-
ity to sustain high intensity effort for longer.
Tempo & Maximum training What a session! You significantly improved your aerobic fitness
and your ability to sustain high intensity effort for longer. This ses-
sion also developed your speed and efficiency.
Tempo training+ Great pace in a long session! You improved your aerobic fitness,
speed, and ability to sustain high intensity effort for longer. This
session also increased your resistance to fatigue.