【摘 要】
：
现在电话已渐渐普及到各个家庭,使用本装置可对每次通话时间和每天电话使用次数作一记录,这对节省家庭电话费的开支很有帮助。本装置具体的使用和功能如下:摘机自动计时,次
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现在电话已渐渐普及到各个家庭,使用本装置可对每次通话时间和每天电话使用次数作一记录,这对节省家庭电话费的开支很有帮助。本装置具体的使用和功能如下:摘机自动计时,次数记录自动累加一次。挂机后,计时停止,并延时半分钟左右熄灭(供使用者观察)。次数记录仍照常显示。若在延时时间内又摘机,则计时将重新开始,次数也相应累加一次。考虑家用电话通话时间一
Nowadays, telephones have become more and more popular among families. With this device, you can make a record of the time of each call and the number of daily phone calls, which is very helpful for saving money on home phone calls. The specific use and function of the device are as follows: Off-hook automatic timing, the number of records automatically accumulate once. After hanging up, stop timing, and delay about half a minute off (for the user to observe). The number of records is still displayed as usual. If you pick up the phone again within the delay time, the timing will start again and the times will add up again. Consider home phone talk time one
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