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• Exhausted batteries to be removed
• Do not dispose of battery in fire; battery may explode or leak
• Do not dispose of product in fire; battery may explode or leak
How this Sportline Solo 920 Heart Rate Watch Works
It is useful to understand the basics of how the S-Pulse™
sensing technology works – as it will perform differently on
people of different age, skin type, body type, EKG or electro-
cardiogram signal strength, among others.
The S-Pulse™ technology measures the electronic signals that
pass through your body – that result from the beating of your
heart. Many are familiar with the EKG waveform – from either
personal experiences while at the hospital, or from popular
television medical shows. It is this same signal that passes
through your body that S-Pulse™ measures.
This measurement is obtained by the Watch's two metal sensors.
The back metal plate of the Watch wrist is actually a primary
sensor that measures these electronic signals off your arm.
The 'EKG' measurement is done when you place your fingers
from one hand on the top sensor on the Watch that is attached to
your opposite arm. This creates a loop across your body that the
Watch can now read.
• The Sportline Solo 920 Heart Rate watch must be attached
to your wrist in order for the Heart Rate Measure function
to work.
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