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For optimized heart rate tracking, keep these tips in mind:
1) Experiment with wearing the watch higher on your wrist during exercise. Because the blood flow
in your arm increases the farther up you go, moving the watch up a couple of inches can improve
the heart rate signal. Also, many exercises such as bike riding or weight lifting require you to
bend your wrist frequently, which is more likely to interfere with the heart rate signal if the watch is
lower on your wrist.
2)Do not wear your watch too tight. A tight band restricts blood flow, potentially affecting the heart
rate signal. This being said, the watch should also be slightly tighter (snug but not constricting)
during exercise than during all-day wearing.
3. Function introduction
3.1.Button
(1) Long press:
a. Long press 3 seconds can start up when the watch is off
b. Long press 3 seconds the watch can display Reset/ Power off/Restart
(2) Short press
：
a. Short press can light up the screen when the watch is locked.
b. Short press can lock the screen.
c. Short press can back to the Home screen/watch face page with non-Home screen page.
d. Short press can display “start/pause” icon during when doing an exercise.
3.2.Interface
Home screen
Slide up: get into the function features list
Slide down: get into the quick settings Control center.
slide left/ right: check the heart rate, sleep, music control, weather, Activity record.
Long press Home screen for 3 seconds can change the watch face.
