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Level 1

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Hi I have a question on my apple watch ultra. Are only two sensor light suppose to be flashing or all four

Hi, I have a question on my apple watch ultra. Are only two sensor lights supposed to be flashing or are all four

Apple Watch Ultra

Posted on Jul 11, 2023 12:29 PM

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Community+ 2024

Level 10

126,163 points

Posted on Jul 11, 2023 12:47 PM

Which emitters (green, red, or infrared) are illuminated depend on what is being measured.

Commonly, you'll see a pair of the same color illuminated.

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