When the battery has charged to 99-100%, remove the AC power adapter cable from the notebook PC.

当电池已落至99 - 100%，消除交流电源适配器电缆，从笔记本电脑。

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It emits some more noise when recording and the noise is constant when you use it with the AC adapter power supply.

它会发出一些噪音时，录音及噪音不断当您使用它的AC适配器供电。

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For older models, the AC adapter provides power while also extended a USB input for plugging in via the back port.

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Toward the right, you've got the USB type B connector that runs to your laptop, the AC adapter jack, and the master power switch.

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