One: Introduction<br>1) Power On / RESET: RESET key<br>1) Functionalcharacteristics<br>&nbsp; &nbsp;Display: twodisplay modes<br>&nbsp;&nbsp; DP-1: time，date， temperaturedisplay turns; DP-2:displays only the time<br>&nbsp;&nbsp; DP-1 defaultsingle press SETkey switch.<br><p>&nbsp;&nbsp;Calendar: From 2000to 2099， a total of100 years， thedefault January 1，2014/12/24&nbsp;/</p><p>&nbsp; &nbsp;Hours:12/24 hours canbe converted， the default 24-hour system</p>&nbsp; Alarmclock: three groups of alarmclock， ring each timeone minute ofsound: beep beep beep<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RingStop: press the back of theset / up / down anykey.<br>&nbsp; Brightness: 18:00-7: 00 displaybrightness automatically reduced byhalf; having a thirdgear manual brightnessregulation function<br>&nbsp; Power Supply: DC5V / 500MA (3 *AAA or 4 * AAAbattery)<br>Time Memory: built-inpower， while maintainingpower can save traveltime and normalsettings.<br>&nbsp; voice mode(power savingmode): Displayautomatically turn off the displayafter a few seconds，when the close is greaterthan 60 db sound orslap you can wake upthe display; so thecycle. Open Voice increases the battery life when longbattery backup.