EN
pear on the display.
3. Press and hold the button on the activity sensor for 3 seconds. The display
shows
4. Press and hold the button on the activity sensor again for 3 seconds until the display
shows
Now shortly press the button on the activity sensor. The display shows
The smartphone's camera app starts.
6. Briefly press the button on the activity sensor again. The camera app on the smar-
tphone only takes one picture. At each subsequent brief pressure of the button, the
app takes a new picture.
4.14 Heart rate
The activity sensor is provided with an optical sensor that measures the heart rate
in real time. Heart rate measurement is only possible if the activity sensor is NOT in
sleep mode.
1. To start measuring the heart rate, press the button until the display does not show
2. Press and hold the button for 3 seconds, the display shows
and
the activity sensor starts detecting the heart rate. As soon as the activity sensor has
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