300mm LTC/Ethernet/IRIG-B Interface MTD Display with LED Seconds Ring. The UD series includes various time and date displays. The UD can display Time Code, local time, a different time zone or a stopwatch timer. A built-in quartz clock enables continuous operation even if a drop out of signal occurs. All displays of the type UD300 show hours, minutes and seconds, in a six-digit format. The digit height is 56 mm. A rotating LED seconds ring with 60 individual dots encircles the digital display. The diameter of the faceplate is 300 mm. The LEDs feature three selectable colors (red, green, yellow) and an adjustable brightness selector. The brightness can be adjusted manually or can set to an automatic mode, where a photo sensor automatically adjusts the brightness depending on the current level of environmental light. Various universal interfaces are included, which enable a wide assortment of data or time codes to be displayed.