You must first activate the Bluetooth/ANT+ on the console before starting your
workout. From the home screen, prior to beginning your workout, tap the blue
circle (Fitness App + BT Pulse) located in the upper left corner from the home
screen, it will begin to blink. Then follow the heart rate monitor’s manufacturer’s
instructions for proper placement. Begin your workout and the treadmill will
display your pulse after a few seconds. (How to Connect a Bluetooth/ANT+Heart Rate Monitor)