... from 1 to 15 hours, 8h+4h+2h+1=15h (h), set the end of the first work period.Press the reset button ... for 1 second, Light flashes twice per second, the controller into the second work period (half power), according to the ... the reset button (stored keys) 1 second, the work of the three storage periods, while the controller automatically enters the first work period to work ...