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Watch not working on Arm with Tattoos

Any one with a sleeve have problems with watch locking contantly ? 

If you read the fine print for the Apple watch, that is something that Apple identifies as something that can cause a problem with the watch. From this support document about the Apple Watch. Your heart rate. What it means, and where on Apple Watch you’ll find it. - Apple Support  I'm guessing that it could also affect the wrist detection.

 

What else affects your reading

Many factors can affect the performance of the Apple Watch heart rate sensor. Skin perfusion is one. A fancy way of describing how much blood flows through your skin, skin perfusion varies significantly from person to person and can also be impacted by the environment. If you’re exercising in the cold, for example, the skin perfusion in your wrist may be too low for the heart rate sensor to get a reading.

Motion is another factor that can affect the heart rate sensor. Rhythmic movements, such as running or cycling, give better results compared to irregular movements, like tennis or boxing.

Permanent or temporary changes to your skin, such as some tattoos, can also impact heart rate sensor performance. The ink, pattern, and saturation of some tattoos can block light from the sensor, making it difficult to get reliable readings.

 

Emphasis added.

最後更新：2017-08-22 04:55:07

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