CASSETTE AUTO-CHANGER CONTROLLER

PURPOSE:To facilitate the confirmation of conditions and the operation of respective parts in a cassette auto-changer by visually plotting the conditions of respective parts in the auto-changer at once on the display picture of a monitor and performing the operation of respective parts. CONSTITUTION:In a cassette auto-changer controller 12 selectively taking out plural cassettes housed in a cassette housing part 13 and loading them on recording and reproducing devices 16A-16D, the condition of the changer 10 is plotted visually on the same display picture on the monitor 12A. At this time, when a user operates a mouse 12C and moves a cursor on the monitor 12A on the reproducing key of a VTR character, and operates a click in the position, the VTR 16A is started reproducing operation, and the display brightness or the color of the reproducing key of the VTR character plotted on the monitor 12A. Thus, the user is able to confirm visually the onditions of the VTRs 16A-16D on the monitor 12A successively.