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EXECUTIVE
 ATOMIC CLOCK 3.0
MODEL: 51321867
DC: 121420
 POWER UP SETTINGS
WWVB ATOMIC TIME SIGNAL
TIME ZONES
ATLANTIC
EASTERN
CENTRAL
MOUNTAIN
PACIFIC
ALASKA
HAWAII
Notes: 
• The language selected in this menu will adjust the Weekday 
readout and menu items.
• If Atomic OFF is selected, menu will skip DST and Time Zone 
settings and move straight to the 12/24 Hour Format setting. 
• Weekday sets automatically when Year, Month and Date are set.
For more product information visit: bit.ly/laxtech_support
 1. Insert the 5V power cord into an outlet, then into your Atomic 
    Clock. Optional: Insert 6 AA batteries for backup.
      Power cord is required for constant backlight.Note:
2. Configure your basic Settings.
• The station will automatically search for the Atomic Time Signal 
   at power up and again at UTC 7:00, 8:00, 9:00, 10:00, and 11:00.
• Press and release the      button to manually search for the
   WWVB Atomic Time Signal.
• The Tower Icon      will flash while searching, and be solid on 
screen when the signal is received. 
• For information about WWVB Atomic Time visit: 
  http://bit.ly/AtomicTime
ADJUSTABL E B ACKLIGHT
 1. Hold the       button to enter the Settings Menu.
2. Use the + or - button to adjust values.
3. Press the   button to confirm and move to next item.
4. Press the     button at any time to exit.
Settings order:
• Language (English, Spanish, French, German)
 • Beep ON/OFF
 • Atomic ON/OFF
• DST AUTOMATIC/ DST ALWAYS OFF / DST ALWAYS ON
 (Change Spring/Fall) (No change in Spring) (No change in Fall)
 • Time Zone
 • 12/24 Format
• Hour
• Minutes
• Year
• Month
• Date
• Month/Date or Date/Month
• Fahrenheit/Celsius
When using the power cord, press the      button to adjust 
your backlight brightness. There are 4 levels plus an o option. 
DESIRED HOUR (TIME ADJUST)
Have your clock match other times around the world by setting a 
Desired Hour, kept accurate by the Atomic time signal.   only Note:
the hour can be changed. 
Set Desired Hour:
 1. Hold the      button until the Hour flashes, “
Desired Hour
” will   
    show. 
2. Press the + (PLUS) button to adjust the hour. Press the - (MINUS) 
    button to reset hour to “Local Time”.
3. Press the      button to confirm and exit.
Switch between Desired Time and Local time:
• Press the       button to switch between Desired Time and Local 
Time.
• Desired Time is indicated with the     icon.
Note: In the event of battery change or reset, these settings will 
need to be readjusted.
  VIEW LOCAL TIMESET DESIRED HOUR VIEW DESIRED HOUR