SkyLabs CART-I, User Manual, Page: 5 / 50

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How to find the perfect size
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When you purchase CART-I, we will send you a sizing kit first.
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In the sizing kit, there are 8 different sizes of ring mock-up.
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We recommend you use your index, middle or ring finger.
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If the ring is too tight it will put pressure on your blood vessels. This will make
harder for CART to monitor your heart accurately.
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If the ring is too loose, CART cannot monitor your signal accurately.
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Once you have found the correct size, try wearing it for 24 hours night and day.
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With the right sized CART, you are now ready to watch our “How to use CART”
video for more information on using CART.
( www.youtube.com/watch?v=81qXMUguP2M )