TTSC100 Automatic Colour Light Signal ControllerSC100 Automatic Colour Light Signal Controller Automatic Signal Controller to convert existing LED Colour Light Signals to Automatic The Colour Light Automatic Signal controller is based on our Sensor Signal technology and enables standard LED colour light signals to be wired and controlled automatically. It will operate 2, 3 or 4 aspect colour light signals and also includes an output to control a feather or theatre route indicator using a Mimic