In order to be able to make the best use of this device, please read the instruction manual carefully. Do not discard keep the manual for future reference Wear the Heart Rate Belt on your chest with the sensor over your heart for detection of the heart rate. 2? You will notice that there are two noticeably different patches on the inside of the Heart Rate Belt. These are the sensors for detecting your Heart Rate. Before you put the Heart Rate Belt, wet these two patches lightly so that t