High performance closed caption decoder for the NTSC system. It includes the PWT-300 supply, remote jack, and 75ohms Termination plug. The 2-channel of data that can be displayed are CC1, CC2. The 2-channels of captions are selectable from a two position switch located on the front panel. Two LED's indicate which of the two channels are selected. An automatic caption time-out function will erase displayed captions after 15s if no new data is received.