Selecting the input source, Adjusting the volume, Turning off the sound temporarily (muting) – Marantz HD-DAC1 User Manual
Page 26: V p. 26), Variable). (v p. 26), These select the input source. (v p. 26), The audio output connectors (variable). (v p. 26), This mutes the output audio. (v p. 26)
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