Getting started
21
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Use the HR feature only for measuring your heart rate. The accuracy of the
optical heart rate sensor may be diminished depending on the surroundings,
measurement conditions, and user’s physiological state.
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As cold ambient temperatures may affect your measurement, keep yourself
warm when checking your heart rate during winter or cold weather.
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Smoking or consuming alcohol before taking measurements may cause your
heart rate to be different from your normal heart rate.
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Do not move, talk, yawn, or breathe deeply while taking heart rate
measurements. Doing so may cause your heart rate to be recorded inaccurately.
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If your heart rate is extremely high or low, the measurement may not be
accurate.
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If measuring children’s heart rates, the measurement may not be accurate.
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Users with thin wrists may receive inaccurate heart rate measurements when
the Watch is loose, causing the light to be reflected unevenly. In this case, wear
the Watch on your inner arm.
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If heart rate measurement is not working properly, adjust the position of the
Watch’s optical heart rate sensor to the right, left, up, or down on your wrist, or
wear the Watch on your inner arm so that the sensor is in contact with your skin.
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If the optical heart rate sensor and the electrical biosensors are dirty, wipe the
sensors and try again. If foreign materials prevent the light from reflecting
evenly, the measurement may not be accurate.
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The optical heart rate sensor may be affected by tattoos, marks, and hair on the
wrist you wear your Watch on. These may cause your Watch not to recognise that
you are wearing it, and the Watch’s features may not work properly. Therefore,
wear your Watch on a wrist that does not interfere with the Watch’s features.
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The measurement features may not work properly because of certain factors,
such as the light from the optical heart rate sensor being blocked, depending
on your skin brightness, blood flow under your skin, and the cleanliness of the
sensor area.
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For accurate measurements, use the Ridge sport band. The Ridge sport band
may be sold separately depending on the model.