To manage the authority of a plurality of users by a simple and easy system, and also set the detailed use authority if needed, when managing the authority of the users using various apparatus and software such as a digital mixer and a mixer control program for controlling the mixer.
A control program for editing data includes a function that manages an account for the log-on of the plurality of users. The security-setting picture for editing a plurality of user accounts having a tree-like hierarchical structure is displayed, so that each user can edit a level of the user account of a user in a lower level in a range based on the authority level of an own user account. Also each user can freely edit the presence of authority with respect to a plurality of items of the user account of the user in the lower level in the range of authority of the item included in the own user account.
COPYRIGHT: (C)2010,JPO&INPIT
Toshiyuki Ito
Kei Nakayama
Makoto Hiroi
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