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404-1235UA-SS      www.lacrossetechnology.com/support          

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Get Started - Atomic Time 

  

1: 

Slide the Time Zone switch to your time zone.  

    

PT

 = Pacific, 

MT

 = Mountain, 

CT

 = Central, 

ET

 = Eastern 

 

2: 

Select DST (Daylight Saving Time) setting ON/OFF. 

     When ON is selected, the clock will automatically adjust for  
     DST (most common). 

 

3:

 Insert two or four fresh “C”, LR14 1.5 volt batteries according to  

    the polarity markings.        
 

Important:

 When batteries are installed, the hands will move to  

4 o’clock, 8 o’clock, or 12 o’clock position and the clock will start 
receiving the Atomic Time signal from Colorado. When signal is 
received, the hands will move to the correct time for the selected 
time-zone.  

 

Optional Settings 

 

Atomic Time with Custom Time Zone Selection

 

 

This clock allows you to select more than the 
four major North American time zones by using 
the 

CUSTOM ET 

setting. 

 
1.  Slide the Time Zone switch to CUSTOM ET. 

 

2.  Press and release the SET button to 

advance the time in one hour increments.  

 

3.  The clock will keep time in the new time 

zone selected.Time Zones available (+0 UTC to -11 UTC) 

 

Daylight Saving Time: 

 
The new WWVB broadcast provided by the National Institute of 
Standards and Technology includes a notification for the daylight 
saving transitions well ahead of when they are to occur. The 
UltrAtomic clock reads this information and, at the appropriate 
instances, automatically advances the hands one hour in the 
spring and eleven hours in the fall (to move back one hour), even 
if the signal is not received on the day of the transition. 

 

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PT

MT

CT

ET

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Summary of Contents for 404-1235UA-SS

Page 1: ...in the market that receives the NIST s newly enhanced phase modulation based broadcast and is based on a dual antenna scheme making it insensitive to the orientation of installation This clock is designed for significantly better signal reception With optional custom settings you are able to view times from around the world C C C C Use two or four C batteries C C C C C C C C C C ...

Page 2: ...Settings Atomic Time with Custom Time Zone Selection This clock allows you to select more than the four major North American time zones by using the CUSTOM ET setting 1 Slide the Time Zone switch to CUSTOM ET 2 Press and release the SET button to advance the time in one hour increments 3 The clock will keep time in the new time zone selected Time Zones available 0 UTC to 11 UTC Daylight Saving Tim...

Page 3: ...e range of the WWVB broadcast such as in Asia It may also be helpful to set the clock manually if one does not wish to wait for it to receive the signal from the broadcast which in some cases would only occur at night 1 Set DST switch to the OFF Q Set 2 Set Time Zone switch to the Q MODE Note The movement will move to 4 o clock 8 o clock or 12 o clock position and stop 3 Hold the SET button to set...

Page 4: ... have fresh batteries to receive and process the time signal To reduce the chances of interference with the clock s reception maintain a distance of six feet or more from electronics such as cordless phones chargers dimmers wireless gaming systems televisions microwave ovens routers computers baby monitors etc Care and Maintenance Do not mix old and new batteries Do not mix Alkaline Standard Lithi...

Page 5: ...e zones may be selected in the range UTC 0h to UTC 11h 2 DST Q Mode slide switch Automatic DST adjustments on off In Quartz clock mode it is used to choose Quartz run Quartz set 3 Time Zone 6 position slide switch Sleep sleep mode PT MT CT ET Atomic time 4 time zone selection ET Custom Atomic time mode Custom Time Zone selection with SET button Q Mode Quartz clock mode manual set 4 Eco Mode slide ...

Page 6: ...r limited time warranty from date of purchase on this product relating to manufacturing defects in materials workmanship Before returning a product please contact our friendly customer support with questions or visit our online help and FAQS Phone 1 608 782 1610 Online Product Support www lacrossetechnology com support Product Registration www lacrossetechnology com support register View full warr...

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