| 摘要 |
<p>PURPOSE:To enable the subject device to perform exact operation control with simple operation in order to obtain a sound output and a picture output desired by users without continuing a needless standby state. CONSTITUTION:When a power supply ON command is issued by a power supply switch 7, the last mode is a musical performance mode and a recording medium is not loaded in musical performance instruments 43, 44, a state not loaded is informed. When a new operation command including loading operation of the recording medium is not issued even if a prescribed time elapses, sound and/or picture are outputted by sound and/or picture output devices 41, 42 separate from the music performance device. When the power ON command is issued by source selecting switches 13, 14 which select the music performance devices 43, 44 and the recording medium is not loaded, a state of not loaded is informed, and a new operation command including loading operation of the recording medium is expected.</p> |
