Omron HeartGuide BO8000-L Instruction Manual page 31

3. Using Your Monitor without a Smart Device
Heart Zone Indicator
Your monitor has a built-in heart zone indicator that is used as an aid in
determining if your monitor is at the correct height and position. It has
been designed to work with most people so that when your wrist is at
the correct position relative to your heart, your monitor will vibrate once.
If it does not vibrate, your monitor may not be at the correct height and
position relative to your heart.
Due to differences in individual size and physique, this feature may not be
helpful in all cases and you may wish to turn off this feature. If you feel the
position of the wrist, according to the heart zone indicator's guidance, does
NOT match your heart level, please turn off this feature and follow your
judgment. To disable this feature, refer to sub-section 7.1 (page 47).
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