... , B, C ,.D keys to set time as follows:1,Press button C for 3 seconds to go to modulation states ( then ... see letter is flash);2,Press button B to count finger,Long press for counting finger automatically.3,Press button C for one time( less ... 3 seconds) to choice days,hours,Minuts or seconds.4,Press button D to exit setting states. or there is no any ...