It adjusts the voltage output at the Roscrow farm so the grid is not in danger of being overloaded.

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One problem is that typical power meters work by measuring the voltage output and converting that to charge remaining.

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In order to fully exploit the sound potential of the HDVD 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage.

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