一共两按键，1按键选功能，2按键调节，调节顺序时，分，秒，月，日，年，周，不在调节功能时按2键显示月日，两键同时按初始化DS1302-A total of two keys, a key election functions, two-button adjustment, adjust the order of minutes, seconds, month, day, year, week, not the regulatory fu