HEAD Advantage, Быстрый старт

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3. Press and hold the 3rd button
to turn your watch ON.
4. All 12 LED indicators light
ON for 4 seconds.
Important note: do not turn your watch OFF by pressing and holding
the 1st and 3rd buttons simultaneously. When the watch turns OFF,
6 LED indicators blink. Short press the 1st button to check if your
watch is activated by displaying activity progress. Press and hold
the 3rd button to turn it ON again.