The DIP-31 is a 4K UHD automatic switcher for HDMI, VGA, Ethernet, data and unbalanced audio signals. The unit supports resolutions up to 4K at 60Hz (4:2:0) UHD and various modes of input selection and transmits the signal via HDMI cable to a compatible receiver (for example the VS-62H or when connecting directly to a display/projector). The DIP-31 is a Step-in commander when connected to a matrix switcher that supports Step-in over HDMI such as the VS-62H. It also features RS-232 commands to support monitor/projector on/off.