| 摘要 |
PROBLEM TO BE SOLVED: To provide a maintenance device for a communication karaoke device which can maintain the communication karaoke device instead of the process that the device is called from a center through a telephone line. SOLUTION: The device is equipped with a storage device 40 having an all-music data base stored with all pieces of KARAOKE music data, a terminal management table in which devices in off-line operation among communication KARAOKE device are registered, and a log recording file wherein logs gathered from the devices in off-line operation are recorded and the device is constituted having nearly the same constitution with the maintenance center. The device is connected to a karaoke device through a serial interface 44 and a parallel interface 45 to communicate control signals, etc., through the serial interface 45, and download the music data and upload the logs through the parallel interface. This device is connected to the maintenance center 1 and can upload the logs gathered from the communication KARAOKE devices in off-line operation to the maintenance center 1 again. |
