To start the interval measurement, press the SSS button with the interval displayed in the lower display. Pressing the SSS button with the interval displayed does not affect start/stop of the measurement in the wristwatch. However, the elapsed time measurement in the wristwatch will start just as the interval starts, when the auto-mode is off ( lights off) and measurement is stopped. 4. When the interval counts down to zero, it will automatically change to recovery timer, which counts up until n

2.4 GHz-frequency digital wireless technology, the same technology used for everyday equipment such as wireless network is used for both the integrated cadence/speed sensor and the heart rate sensor. This technology practically eliminates all interference from external noise and cross-talk with other wireless users, providing you with stress-free riding. Read this instruction manual thoroughly and understand the functions of the wristwatch before using it. Keep this manual in a safe place for fu