RT-311 Press Pics RGB Open a higher resolution version by pushing on a photo with the left mouse button. The front panel has all input and output jacks at the lower end of the panel. That keeps the knobs free from cables. The RT-311 RGB LEDs visualize the smooth transitions of the parameter snapshot automation with any color you like. RT-311 Swarm Oscillator Hi-Resolution in RGB format. The brightness of the RT-311’s colorful LEDs can be reduced and even turned off. But who would actually do that? The LEDs of the RT-311 swarm oscillator visualize all your editing and make it easy to reach a dedicated value. The big knob of the RT-311 gives you an accurate access to fine tuned parameter changes.