TBC的数字录音器开始录音，录音时间从电话振铃起到呼叫结束自动停止。
TBC's digital recorder will begin recording from the time the phone rings and stop automatically when the call is finished.
系统检测振铃累计到设定次数时自动摘机，进入密码检测，输入正确后选择被控制电器的开或关，完成后返回。
Once the right code in confirmed, this system will be able to choose whether to turn on or off the controlled appliance and return to original state after completing the operation.
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