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*To avoid errors in the collected heart rate data, make 
sure to place the heart rate sensor in the proper 
direction. Wear the heart rate monitor directly on your 
skin, just below your chest. It should be snug enough to 
stay in place during your activity

Wearing the Heart Rate Sensor

3

2. Press the snap studs on the sensor into the snap 
sockets on the strap, respectively. Be sure to place the 
heart rate sensor in the proper direction.

1. Wet the electrode areas on the reverse side of the 
strap.

4. Move the sensor to just below your chest and let the 
electrodes contact your skin. 

Placement Illustration for Men

Placement Illustration for Women

5.After the sensor is properly worn, it will automatically 
turn on, the front LED flashes (turns off after 10 times), 
select the correct ANT ID or Bluetooth ID on the bike 
computer, watch, and APP, and the heart rate data will 
be transmitted

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Left

Right

3. Wrap the strap around your chest and attach the 
hook to the other end of the strap. 

LED

20136-169

ANT ID

Bluetooth ID

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