| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the operability of setting lock/unlock in an electronic keyboard musical instrument for locking (disabling) a part of functions. <P>SOLUTION: A user can select any operating mode of lock/unlock mode with a toggle by pressing a predetermined lock button. An operator actually locked in the lock mode is previously selected on a lock setting screen 60 shown in Fig.5(a). Whenever group buttons 66-102 to 66-128 are pressed on the setting screen 60, "lock enabling" and "lock disabling" are switched alternately for each group. <P>COPYRIGHT: (C)2010,JPO&INPIT |
