| 摘要 |
PROBLEM TO BE SOLVED: To eliminate singer's difficulty caused by changeover of display condition for a background video and a telop of the lyric by inhibiting the changeover of the display condition during performance. SOLUTION: A CPU 21 and a video signal changeover circuit 27 constitute a display condition changeover means which changes over, according to user's operation, a first display condition for displaying only a first video on a display screen of a display device 3 to/from a second display condition for displaying a second video different from the first one and the first video at the same time on the display screen of the display device 3 by means of split screen. The CPU 21 constitutes a changeover inhibition means for inhibiting to change over the first display condition to the second display condition by the display changeover means during performance. A remote controller 4, a remote control photo-detector 28, and CPU 21 comprises a register operation means for user to register whether or not the changeover inhibition means should be operated. A memory 23 constitutes a register content storage means to store the register contents by the register operation means. |
