The NovaStar KU20 is an LED display controller equipped with an HDMI 1.3 input including a loop-through function. It offers six Ethernet outputs, along with optical and S/PDIF outputs. Additionally, the device includes two network ports and an AUX port. Operation is conveniently carried out using a rotary knob, a back button, and a 2-inch LCD display. Alternatively, the KU20 can also be controlled via the user-friendly VMP software, allowing for simple and efficient management. Cascaded control via Ethernet is also supported. The KU20 also supports SNMP and Art-Net protocols. Advanced features include image scaling, pixel-level brightness and chroma calibration, low latency, and monitoring of the LED system.