NO.1 F7 the GPS sports watch, it has built-in GPS sensor, thermometer, altimeter. As a promotional outdoors watch, this watch also have a built-in Geomagnetic sensor, it is used for the compass. But I found that many people do not know how to use the compass. Here I want to make a short tutorial about how to use the compass. First, go to the compass function; Second, calibration, how to calibrate the compass, use your right hand to hold the watch, and then draw the shape of the number 8. After several times, until it works. Third, now the compass will guide you in the right direction.
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