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La Crosse Technology, Ltd  

Page 2 

 

 

Explanation:

 Many problems are resolved with fresh batteries of the appropriate 

voltage. Many items sent in under warranty work, when tested with fresh batteries. 

Batteries manufactured this year will have an expiration date 10 years (or more) in 

the future. Battery technology has improved and batteries will maintain voltage 

longer in storage. However, the environment the batteries reside in for the 10 years 

can deplete the power. 

 

 

We suggest a name-brand Alkaline battery.  

 

A minimum voltage of 1.48V is necessary for proper performance.   

 

Use a battery dated at least six years in advance of the current year. Batteries 

dated earlier than six years from now may still work, but may be unstable in 

performance.   

 

Good name-brand batteries make less noise, which reduces the chance of RF 

(radio frequency) interference from the battery compartment.  

 

ATOMIC CLOCK FACTORY RESTART 

 

Explanation:

 The factory restart returns the atomic clock to an “out-of-the-box” 

state and often resolves an issue.  

  

Factory Restart: 

1.

 

Remove the battery from the clock for 15 minutes.  

2.

 

Press the Set button at least 20 times to clear all memory.  

3.

 

Slide the switch to select a time zone. 

4.

 

Insert 1 fresh AA, LR6 1.5 volt ALKALINE battery according to the polarity 

marked on the case. 

5.

 

Position the clock on an exterior wall that faces Ft. Collins Colorado. During the 

night, your clock will automatically set itself. 

 

Note:

 The hands will move to the 12:00 position and search for the radio signal. 

If the clock does not receive the radio signal in the first 10 minutes

, the clock 

will start running from the 12:00 position and will continue to run.

  Do 

not attempt to reset the hands manually even though the time on the clock is 

incorrect.  The clock is synchronizing to the WWVB signal and once the radio 

signal is decoded, the hands will automatically adjust to the correct time. This 

may take up to 5 nights. 

 

SUPPORTED TIME ZONES 

 

 

This atomic clock offers four time zones: Pacific, Mountain, Central and Eastern. 

 

La Crosse Technology

®

 does not make an analog clock with more than four time 

zones.  

 

The atomic clock works in North America.  

 

Outside of North America, the atomic clock will not receive a WWVB signal, but 

will keep time as a quartz clock if manually set. 

 

 

TIME IS INCORRECT 

 

 

Indicative of non-receipt of WWVB signal 

Summary of Contents for WT-3102B

Page 1: ... Time Zones 2 Time is Incorrect 2 Clock is incorrect by Hours but minutes are correct 3 Daylight Saving Time 3 Manually Set Time 3 How long will the battery last 3 Can I shut off the WWVB signal 4 Is there a booster antenna to receive the WWVB signal in a difficult location 4 Can I wire a control timing circuit to the La Crosse Technology atomic clock 4 Why do the hands spin once or twice everyday...

Page 2: ... the clock for 15 minutes 2 Press the Set button at least 20 times to clear all memory 3 Slide the switch to select a time zone 4 Insert 1 fresh AA LR6 1 5 volt ALKALINE battery according to the polarity marked on the case 5 Position the clock on an exterior wall that faces Ft Collins Colorado During the night your clock will automatically set itself Note The hands will move to the 12 00 position ...

Page 3: ...avings Time to Standard Time and vice versa to occur Check that the DST selector bar is in the ON position Check for fresh batteries Without proper batteries the antenna will have a harder time picking up the signal Position the atomic clock in a window with the front or back facing Ft Collins Colorado and leave for up to five nights If you do not have a window facing this direction position the c...

Page 4: ... Alkaline batteries in the clock HANDS SPIN NON STOP This is indicative of a low or overpowered battery number 1 warranty issue Replace battery and perform restart procedure Allow 5 days to catch the WWVB signal If constant spinning continues the movement may need replacement HANDS JUMPS OR JERKS AROUND THE DIAL This is indicative of a low or overpowered battery number 1 warranty issue Replace bat...

Page 5: ...La Crosse Technology Ltd Page 5 appliances The optimal location is near a window Windows facing Colorado provide the best signal ...

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