RDL TX-VCR Video Controlled Relay - BNCThe TX VCR is the ideal choice in installations where a control signal is needed based on the absence or presence of valid video signals. The unique power supply input allows the TX VCR to be powered from a wide variety of existing ac or dc power sources The TX VCR has one video INPUT and a LOOP OUT video jack. The detection circuit bridges a 1V video line. The TX VCR may be inserted in a video line with the loop through video output feeding a