... working time. The flashing frequency of (Set On Time)icon is about 0.5/S. Press "+" or "-" key ... Remaining) is about 5.5/S and the“ ” icon does flash animation at the same time, “888” indicates ... the remaining time. after work, the“ ”icon stop flashing graphics and the pump still work for one ... of work.(4). Stopping working the flashing frequency of icon (Run Remaining) is about 0.5/S and “ ...