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The calorie calculation is based on an intelligent combination of acceleration and heart rate data. The calorie calculation
measures your training calories accurately.
You can see your cumulative energy expenditure (in kilocalories, kcal) during training sessions, and your total kilocalories of
the session afterwards. You can also follow your total daily calories.
CONTINUOUS HEART RATE
The Continuous heart rate feature measures your heart rate around the clock. It enables a more accurate measurement of
daily calorie consumption and your overall activity because also physical activities with very little wrist movement, such as
cycling, can now be tracked.
Continuous heart rate on your watch
You can turn the Continuous heart rate feature on, off or to night-time only mode on your watch in
settings
>
Continuous HR
you might go to bed.
The feature is off by default. Keeping the Continuous Heart Rate feature on in your watch will drain the battery
quicker. Continuous heart rate tracking needs to be enabled for Nightly Recharge to function. If you want to
save battery and still use Nightly Recharge, set the continuous heart rate tracking to be on only at night.
In time view, use the UP and DOWN buttons to navigate to the heart rate watch face. Press OK to open a detailed view.
When the feature is on, the watch continuously measures your heart rate and displays it on the
Heart rate watch face. When opening the details, you can check your highest and lowest heart rate
readings of the day and also view what your lowest heart rate reading of the previous night was.
The watch tracks your heart rate in 5-minute intervals and records the data for later analysis in the
Flow app or web service. If the watch detects that your heart rate is elevated, it starts to record
your heart rate continuously. Continuous recording can also start based on your wrist movements,
for example, when you're walking with a fast enough pace for at least one minute. The continuous
recording of your heart rate stops automatically when your activity level drops low enough. When
your watch detects that your arm is not moving or when your heart rate is not elevated it tracks
your heart rate in 5-minute cycles to find your lowest reading of the day.
In some cases, it is possible that you've seen a higher or lower heart rate on your watch during the
day than is shown in the continuous heart rate summary as the highest or lowest reading of your
day. This can happen if the reading you've seen falls outside the tracking interval.
You can follow the Continuous Heart Rate data in more detail and in longer periods in Polar Flow, either in web or in the
mobile app. Learn more about the Continuous Heart Rate feature in this
tracking. If you choose Night-time only mode, set heart rate tracking to begin at the earliest time
The LEDs on the back of your watch are always on when the continuous heart rate
feature is on and the sensor on the back is in touch with your skin. For instructions on
how to wear your watch for accurate heart rate readings from the wrist, see
based heart rate
measurement.
in-depth
guide.
71
Settings
>
General
Wrist-
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