![](/images/flag/s/en.gif)
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