//按K1按键进入设定状态

//按K2,依次进入闹钟功能是否启用，闹钟时,分秒,年,月,日及时间时,分,秒的设置,直到退出设置状态

//按K3,调整是否起用闹钟和调节闹钟时,分,秒,年,月,日,时间的时,分,秒的数字

//LCD第二排中间显示小喇叭，表示启用闹钟功能，无则禁止闹钟功能（可在调整状态进行设置）

//正常状态,LCD上排最前面显示自定义字符,LCD下排最前面闪动

//设置状态,LCD上排最前面显示"P",下排最前面在设置闹钟时间时显示"alarm:",其它状态显示"time"

//年代变化2000--2099,星期自动转换-//Set state by K1 button to enter// by K2, turn into the alarm clock feature is enabled, alarm clock, the minutes and seconds, year, month, date and time of hours, minutes, seconds, set, until the exit setting mode// by K3 , whether the adjustment only use alarm clock and adjust the clock hours, minutes, seconds, year, month, date, time, hours, minutes, seconds, the number of// LCD display the middle of the second row of small speakers that enable the alarm, no alarm is prohibited (can be set to adjust status)// normal state, LCD on the top row display custom characters, LCD top row of flashing under// set state, LCD display on the front row " P" , top in the next row Set the alarm time is displayed when " alarm:" , other states show that " time" // Change 2000 BC- 2099 a week automatically converted