The Atlona AT-HD-SC-500 is a 3 1 switcher and HD scaler with two HDMI inputs and a VGA input with audio. It is designed to take video signals from switchers, PCs, or laptops, and scale them to an HDMI output at a wide range of resolutions and rates, up to 1080p at 60 Hz and 1920 1200. The HD-SC-500 can serve as the central component of a compact, automated AV system with the convenience of automatic input selection and display control. It enables input selection, volume, and display on/off control from the front panel or external RS-232 or TCP/IP commands. The HD-SC-500 incorporates many popular integration convenience features while delivering excellent value for classrooms, huddle rooms, and meeting spaces. It offers advanced scaling capabilities including image adjustment capability, and an auto-set feature for matching incoming signals to the display s native resolution. Integrated scaling helps optimize image quality and switching performance. This switcher and scaler also features audio de-embedding, and third-party TCP/IP and RS-232 control of the scaler and display.