内置智能电路，能自动变换充电器的输出极性以适应电池的正极和负极。
With the intelligent circuitry inside, it can automatically transform the charger output polarity to suit for the battery anode and cathode.
输出电压的负极与电子天平壳体连接。在进行操作时，电子天平壳体允许接地。
The pole of the output voltage is connected to the balance housing, which can be grounded for operation.
它可以根据正交输出型编码器信号的相位关系，输出具有正负极性的模拟电压信号。
The circuit can output analog voltage signals with positive and negative polarity according to the phase relation of encoder signals of orthogonal output type.
使用时请注意区分输入端与输出端，以及输出端的正负极性，核对无误后才能通电；
Before connecting this unit, please make sure that the input and output terminal, and the positive and negative polarities of output terminal are on the right position respectively.
要求此电源能输出任意形状的矩形波，交流正负极性比率可任意调节，交流过零速度极快。
Rectangular wave of arbitrary shape shall be output, change rate of AC plus-minus shall be regulated arbitrarily, and the speed of exchanges over zero shall be very quick.
交流地和输出负极要断开。
交流地和输出负极要断开。
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