CMND & Control. Operate monitor maintain Run your display network over a local (LAN) connection. CMND & Control means that you can perform vital functions like controlling inputs & monitoring display status. Whether you're in charge of one screen or 100. Fail Over. Ensure your display never goes blank From waiting room to meeting room never show a blank screen. Fail Over lets your Philips Professional Display switch automatically between primary & secondary inputs ensuring that content keeps playing even if the primary source goes down. Simply set a list of alternative inputs to be sure your business is always on. Quad Viewer. Play four source signals on one screen Turn a single Philips Professional Display into a bezel-free 2 x 2 videowall. By connecting four independent sources you can effortlessly play multiple channels at once. Simply tell the display which zone should play which content. Ideal for situations like broadcast control rooms where feeds from multiple cameras need to be clearly visible..