| 摘要 |
PROBLEM TO BE SOLVED: To optionally select reception of general video and sound sources, conversation between crews at respective sheets and transmission/reception of a face video by using a monitor, a speaker, a CCD camera, a microphone, each switch for selection of a source for conversation and a general source, for transmission/reception of the face video and video/sound control means provided at each sheet. SOLUTION: The monitor 1, the speaker 2, the CCD camera 4 and the source selection SW 12 by which various video and the sound sources can be optionally selected by the crew at each sheet are arranged at each sheet of a vehicle with sheet arranged in two rows or more. The source selection SW 12 is constituted of the SW for conversation between crews at respective sheets, the general source selection SW to select various video and sound sources except for conversation, a conversation volume SW and a face video transmission/reception SW. The reception of the sound source, the conversation with optional crew of each sheet, the transmission/reception of the face video and adjustment of sound volume are performed by using each of these switches, the video/sound control means by the crew at each sheet. Thus, the conversation can be performed without displeasure by selecting the optional source with one's intention. |
