| 摘要 |
PROBLEM TO BE SOLVED: To improve the operability of a volume level operation to a plurality of audio devices.SOLUTION: A control screen 25 including channel faders 26-1 to 26-4 for separately receiving volume level operations of wireless network correspondence speakers 1-1 to 1-4, and a master fader 27 for collectively receiving volume level operations of the wireless network correspondence speakers 1-1 to 1-4 is displayed. The master fader 27 displays a minimum value side end part 271 at a position indicating the same scale value as the minimum value among scale values respectively indicated by the channel faders 26-1 to 26-4, and also displays a maximum value side end part 272 at a position indicating the same scale value as the maximum value among these scale values, and accordingly, has a width W corresponding to the minimum value and the maximum value of these scale values.SELECTED DRAWING: Figure 6 |
