... the work. Electronic headers shown FIG below:: (2),A display area for display in display time of year (state) and the instantaneous flowB shows ... (4),As a key, instrument will change a display, which in turn will in time, according to the instrument, flow, blade and ... method: Press the "left" 3 seconds to loosen, A display area in the display will flashing, now click "click" add, press "button) ...