K3:--- P1.6

K4:--- P1.7

BEEP:--- P3.7



K3 --- 控制按键

K4 --- 清零按键



开机显示：

SECOND-CLOCK 0

TIME 00:00:00:00



K3 --- 控制按键：



第一次按下时,开始计时。



显示

BEGIN COUNT 1

TIME 00:00:01:88



第二次按下时,暂停计时。



显示

PAUST COUNT 2

TIME 00:00:01:88



第三次按下时,累计计时。



显示

BEGIN COUNT 3

TIME 00:08:08:88



第四次按下时,暂停计时。



显示

PAUST COUNT 4

TIME 00:08:08:88



K4 --- 清零按键：

在任何状态下，按一下K4，均可清零。



显示

SECOND-CLOCK 0

TIME 00:00:00:00



0,1,2,3,4 表示按下K3键的次数。

-K3 : -- P1.6 K4 : -- P1.7 BEEP : --- P3.7 K3 - K4 control button, reset button boot showed : SECOND-TIME CLOCK 0 --- 00:00:00:00 K3 control buttons : the first press, the timer. Show BEGIN COUNT TIME 00:00:01:88 a second press, the suspension time. COUNT 2 shows PAUST TIME 00:00:01:88 third press, the total time. Show BEGIN COUNT 3 TIME 00:08:08:88 fourth press, the suspension time. COUNT 4 shows PAUST K4 --- TIME 00:08:08:88 reset button : in any state, with one-K4 can be reset. Show SECOND-TIME CLOCK 00:00:00:00 0 0, 4 K3 press said the number of keys.