| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital mixer for providing various acoustic signal processing functions to a user who has logged into the mixer by loading thereto a USB memory for storing a user key, that can respond to to users' request of log-in more easily. SOLUTION: The digital mixer is provided with a loading part for a removable storage medium such as the USB memory, and when the digital mixer detects the loading of the storage medium and the storage medium stores the user key, the digital mixer automatically displays a log-in menu for the user of the user key to log in the digital mixer thereby allowing the user to more easily log in the digital mixer. When the user corresponding to the user key of the storage medium logs in the digital mixer, the digital mixer automatically logs out when the storage medium is removed. The digital mixer is switched to a guest user after the log-out. Further, when the storage medium is loaded to the digital mixer, the digital mixer discriminates whether the user key is newly created or the user key is under edition, the digital mixer does not execute automatic log-in when the discrimination is true. COPYRIGHT: (C)2007,JPO&INPIT
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