Transmission Control Room (TCR) or Transmission Suite, or Tx Room, is a room found at broadcast facilities and television stations around the world. It's usually smaller in size, compared to a Master Control Room.
For operational and content qualitative reasons, not more than two channels are managed from one TCR. Channels with live content and production switching requirements like sports channels have their own dedicated TCRs. A station may have several TCRs depending on the number of channels they broadcast.