The ES-166U/LX-166U is a Time Code display featuring 1" yellow LED displays. The unit accepts, via the rear-mounted BNC connector, either ESE Time CodeT (TC76T, TC89T, or TC90T) or SMPTE/EBU Time Code. RS-232C ASCII Time Code (format "0""1" or "A" at 9600 baud) may be input via the rear-mounted 9-pin connector. The 166U will automatically determine which code is being received. An internal DIP switch is used to configure the display for 12 or 24 Hour format