Samsung SM-R890 User Manual page 70

Apps and features
• Before measuring your blood pressure or ECG, prepare a comfortable chair and a
table to rest your arm and smartphone on.
• Seat yourself in the comfortable chair you prepared with your back supported. Do
not sit with your legs crossed, and keep both of your feet on the ground.
• Be sure to place your arm comfortably on a table when you are measuring your
blood pressure or taking an ECG.
• Rest for at least five minutes in a comfortable position before measuring your blood
pressure or taking your ECG.
• Measure your blood pressure or ECG in a quiet place indoors.
• Do not measure your blood pressure or ECG while engaging in physical activity.
• Stay still and do not speak once you start measuring your blood pressure or taking
your ECG, and do not move or speak until the measurement is complete.
• Do not measure your blood pressure or take your ECG when you are in close vicinity
of machines that produce strong electronic fields, such as MRIs (Magnetic Resonance
Imaging), X-ray machines, electromagnetic anti-theft systems, or metal detectors.
• Always connect your Watch to your smartphone at home or in a safe place via
Bluetooth for security reasons. It is not recommended to connect to a smartphone in
a public place.
• Do not measure your blood pressure or take your ECG during medical treatments,
such as operations or defibrillation.
• Measure your blood pressure or ECG in an environment where the temperature is
between 12 °C to 40 °C, and the relative humidity is between 30% to 90%.
70