| 摘要 |
PROBLEM TO BE SOLVED: To quickly and accurately match a reference position of a fader or the like in a mixer. SOLUTION: Assuming that a volume operation knob 122-1, a fader operation knob 124-1, and a DCA fader operation knob 127-1 determine a gain of a sound signal supplied to the mixer. When a switch 128-1 is depressed, an operation position of the DCA fader operation knob 127-1 is automatically set to the reference position (0dB) so as to automatically set the operation position of the fader operation knob 124-1 thereby keeping the gain of the sound signal constant. Further, when a switch 126-1 is depressed, the operation position of the fader operation knob 124-1 is set to the reference position (0dB) and the operation position of the volume operation knob 122-1 is automatically set to keep the gain of the sound signal constant. COPYRIGHT: (C)2004,JPO
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