6位LED数码显示，计时单位为1/100秒。利用功能键进行启/停控制。其功能为：上电后计时器清0，当第一次（或奇数次）按下启/停键时开始计数。第2次（或偶数次）按下该键时停止计时，再一次按启/停键时清零后重新开始计时-6 LED digital display, time unit is 1/100 sec. Using the function keys on/off control. Its functions are: power on the timer to 0, when the first (or odd) Press the start/stop button to begin counting. 2nd (or even several times) to stop timing when the key is pressed once again by start/stop button to start timing after the cleared ... ...