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

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Q-Mode

Q-Run

Q-Set

    DST

      ON

     OFF

3.  Hold the SET button to set the time quickly 

 

4.  Press and release the SET button to change the time slowly. 

 

5.  When time is set, slide the DST switch to ON (Q-RUN) 

position.   

 

6.  The second hand will start running from 12:00 and the clock 

will keep time as manually set. 

 
 
 
 
 
 
 
 

Troubleshooting 

 
The wonderful advantage of owning an UltrAtomic clock is that it is 
virtually trouble free. When the clock receives a clear atomic time 
signal, it will set itself perfectly. If it does not receive an atomic 
time signal, consider the following: 
 

 

Batteries – 

The clock must have a fresh batteries to receive 

and process the time signal. Low batteries are indicated when 
the Hour and Minutes hands run as usual but the second hand 
stops at the 6. 
 

 

Location – 

Try a different location, ideally near a window. Your 

clock should be at least six feet from computers, TVs, air 
conditioners, other atomic clocks and other electrical 
appliances that cause interference. 

 

 

 

Weather – 

Electrical storms between you and Colorado during 

the night will interfere with the WWVB signal. 
 

 
 
 
 

Set

Summary of Contents for 404-1235UA-SS

Page 1: ...ing the UltrAtomic clock with exceptional Atomic time reception Get Started Atomic Time 1 Slide the Time Zone switch to your time zone PT Pacific MT Mountain CT Central ET Eastern 2 Slide the DST switch to the ON or OFF position 3 Insert two or four fresh C LR14 1 5 volt batteries according to the polarity markings C C C C C C Use two or four C batteries ...

Page 2: ...ned for signal reception when the front or back of the clock faces Colorado Choose a location six feet or more from electronics such as cordless phones wireless gaming systems televisions microwaves routers baby monitors etc which can prevent signal reception Large office buildings schools or hospitals may not receive the WWVB time signal in every room Metal roofs on buildings may interfere with r...

Page 3: ...l DST bit in the WWVB transmission for DST Your clock will read this information and automatically advance the hands one hour in the spring and eleven hours in the fall Arizona If you live in an area that does not recognize DST you must slide the DST switch OFF To reactivate the DST program simply slide the switch to the ON position Q Mode Manual Set Time On rare occasions the clock may not be abl...

Page 4: ...hen the clock receives a clear atomic time signal it will set itself perfectly If it does not receive an atomic time signal consider the following Batteries The clock must have a fresh batteries to receive and process the time signal Low batteries are indicated when the Hour and Minutes hands run as usual but the second hand stops at the 6 Location Try a different location ideally near a window Yo...

Page 5: ...ST on off In Quartz clock mode it is used to choose Quartz run Quartzset 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 Eco Mode slide switch Atomic mode to choose ECO function on off Specifications Operating Temperature 23 F to 131 F 5 C to 55...

Page 6: ... an extended period of time Remove expired batteries promptly Warranty and Support Information La Crosse Technology Ltd provides a 1 year 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 O...

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