| 摘要 |
PURPOSE:To attain required operation for all devices constituting a television(TV) signal processing system only by applying an operation command to one of the devices. CONSTITUTION:An operation command transmitted from a remote controller is received and analyzed by a TV 20. When the operation command is a ground wave-receiving command, a video and an audio for a ground wave can be viewed/listened by the TV 20. When the operation command is a BS broadcasting receiving command, the command is supplied from an external video signal input terminal 10 of the TV 20 to a BS tuner 40. Thereby a BS broadcasting signal is supplied from the tuner 40 to the TV 20. In the case of a CS communication receiving command, the command is supplied from the terminal 10 of the TV 20 to a CS tuner 40a through the BS tuner 40. Thereby a CS communication signal is supplied from the tuner 40a to the TV 20 through the tuner 40.
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