Abstract
To accommodate complex broadcasts, six control-room operating positions may be routed as required to 48 studio interphone positions. Stage announce, paging, RF cue communication and external private line circuits are controlled through the system. The video and audio operators may selectively isolate output channels with which they are concerned to simplify equipment setup. The technical director retains supervisory control over these and other switching functions. Control-room positions may independently monitor any channel for informational purposes. Integral visual and aural test devices allow rapid adjustment and check-out of the system. Levels to the stage interphone positions may be varied automatically in accordance with prevailing ambient sound levels. A combination of modular tray and hinged panel construction obtains good accessibility with compact design. General design principles and approaches are adaptable to any size of system.
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