... , C ,.D keys to set time as follows:1,Press button C for 3 seconds to go to modulation states ( then you ... ,Long press for counting finger automatically.3,Press button C for one time( less than 3 seconds) to choice days,hours,Minuts ... seconds.4,Press button D to exit setting states. or there is no any operation in 30 seonds, it will exit automatically! 1.8 ...