Set alarm on Centrios for 4 am
There are many models of Centrios brand alarms.
Here is some advice found on the web
All buttons are on the back of the clock. To set the time zone, push "menu"; then push "Set" until the correct time zone is displayed (EA = Eastern, PA = Pacific, etc); then push "Menu" again - DONE. To adjust time, date, year & day, push & hold "Set" until the hour begins to flash; then push "Adjust" until the correct hour is reached; then push "Set"; repeat this sequence as the clock moves on to the next flashing segment (e.g. minute, seconds, month, date, & year); the clock will automatically set the Day based upon the Month, Day & Year you select - DONE.
Press theSETkey to enter the mode"Manual Time Setting".
Manual Time Setting
In case the Skyscan Atomic Clock is not able to detect the WWVB-signal (disturbances, transmitting distance, etc.), the time can be manually set. The clock will then work as a normal Quartz clock.
In 12 hours mode the time will be displayed with an additional"PM"for the time from 12:00 noon until 11:59.
1. The hour digits will start flashing on LCD1. Set the desired hours by pressing the+key followed by pressing theSETkey.
2. Now the minute digits will start flashing. Set the desired minutes by pressing the+key . If the + key is held, the units will increase by 5.
3. Press theSETkey to move to the"Year Setting".