Adjustments have to be done at an idling condition with no signal input.

调节器必须在没有输入信号的空闲条件下进行。

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B, no noise tracking method: input power amplifier (RCA), released the CD signal output, check whether there is noise.

没有噪音的跟踪方法：将功放的输入(rca)恢复，解除CD机的讯号输出，检查是否有噪音。

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Press A / M, out of the valve angle calibration, ether the no input signal valve position calibration process.

按下A/M，退出阀门转角标定，进入无信号输入阀门位置标定进程；

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