| 摘要 |
PURPOSE:To prevent a trouble at on-air, by selecting the right of controlling a TV camera at the side of a remote controller coupling with each TV camera, and making adjustment smoothly on the side of the remote controller ready for on-air transmission. CONSTITUTION:Plural cameras each consisting of a camera head part 1, camera controller 3, and remote controller 4 are provided. When a TV camera A is set ready for on-air transmission on the device side 4, a switch 12 is pressed to allow the device 4 to obtain the right of controlling the camera A. Then, a signal from the switch 12 is sent to a camera controller 3 through a data line 9 and the device 3 is brought under the control of the device 4. In this case, if the camera A is selected by a centralized controller 5, a signal for showing that the control by the device 4 is in process is sent out from the camera A through data lines 7 and 8, so that the display 11 of the device 5 shows that the camera A can not be controlled. |
