How to set the cycle display function? Press and hold ''MODE'' to hear Bi once, switch the LED to display time, date, temperature (Time display 10S, date display 3S, temperature display 3S)Long press ''MODE'' again to display the time for a long time. How to set the time? Long press ""MODE"", then press ""UP\DOWN"" to adjust ""12/24 hour system"".Single press ""MODE"" , then press ""UP\DOWN"" to adjust ""hour ""Single press ""MODE"" , then press ""UP\DOWN"" to adjust ""Minute ""Press ""MODE"" again to return to the time display. When powered by batteries, it will automatically enter power saving mode and only keep time memory.It is mainly powered by the AC adapter (not included) and the power cord.Does it really "Auto-brightness Dimming"? Optional auto-brightness dimming.
