为了最大程度的安全，在被测电路加有电源时，请勿接触产品、测试电缆或其它任何仪器。
For maximum safety, do not touch the product, test cables, or any other instruments while power is applied to the circuit under test.
一个连续性测试器给电缆导线注入交流信号，从而找到电路故障。
A continuity tester injects an AC signal into the conductors of a cable to find circuit faults.
电缆故障的自动测试方法，其特征在于是将脉冲反射测试电路发射与接收的脉冲信号直接叠加到直流高压测量电路的输出端，直流高压测量电路的输出端与被测电缆端口连接。
The automatic testing method of cable fault is characterized by that the pulse signal transmitted and received by pulse reflection test circuit can be directly superposed on the output end of d.
电缆故障的自动测试方法，其特征在于是将脉冲反射测试电路发射与接收的脉冲信号直接叠加到直流高压测量电路的输出端，直流高压测量电路的输出端与被测电缆端口连接。
The automatic testing method of cable fault is characterized by that the pulse signal transmitted and received by pulse reflection test circuit can be directly superposed on the output end of d.
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