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La Crosse Technology, Ltd  

Page 3 

 

 

Dependent on your location, position of the clock in your home, and atmospheric 
interference, it may take up to 5 nights for the change from Daylight Savings Time to 
Standard Time and vice-versa to occur. 

  Check for a 

WWVB

 Tower Icon showing on the atomic wall clock. The tower icon indicates 

you have received the WWVB signal from Ft Collins CO in the past 24 hours.  

  Check that the clock is in the correct 

Time Zone

.  

  Check whether the DST indicator is ON or OFF. If the indicator is OFF the clock will not 

change. 

  Check for fresh 

batteries

. Without proper batteries, the antenna will have a harder time 

picking up the signal.

 

  Position the atomic wall 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 clock near an outside wall and point the unit in this general direction.  

 

Manually Set Time/Date: Program Menu 

 

The 

SET °F/°C 

button

 

will move through the program menu. The 

UP 

or

 DOWN 

buttons

 

will 

change a value.

 

  WWVB ON/OFF: WWVB and the word ON will flash. Press and release the UP or DOWN 

buttons to change to OFF. Confirm with the SET °F/°C button and move to the next item. 

  TIME ZONE: EST will flash in the lower display. . Press and release the UP or DOWN 

buttons to select the correct Time Zone. Confirm with the SET °F/°C button and move to the 
next item. 

  DAYLIGHT SAVING TIME: DST will flash and the word ON. Press and release the UP or 

DOWN buttons to turn this to OFF if you do not observe DST. Confirm with the SET °F/°C 
button and move to the next item. 

  HOUR: The hour will flash. Press and release the UP or DOWN buttons to select the correct 

hour. Confirm with the SET °F/°C button and move to the next item. 

  MINUTES: The minutes will flash. Press and release the UP or DOWN buttons to select the 

correct minutes. Confirm with the SET °F/°C button and move to the next item. 

  YEAR: The year will flash. Press and release 

+

 or 

-

 buttons to select the correct year. 

Confirm with the SET °F/°C button and move to the next item. 

  MONTH: The month will flash. Press and release the UP or DOWN buttons to select the 

correct month. Confirm with the SET °F/°C button and move to the next item. 

  DATE: The date will flash. Press and release the UP or DOWN buttons to select the correct 

date. Confirm with the SET °F/°C button and exit the program menu. 

 

Note:

 The Day of the Week will set automatically after the year, month and date are set. 

 
Note:

 If no buttons are pressed for 20 seconds, the set mode times out. 

 

No WWVB Tower Icon 

 

  The atomic wall clock has not received a WWVB time signal in the past 24 hours. 

 

Position

 the atomic wall clock for better reception. 

  Hold the 

DOWN

 button to send the Atomic wall clock on a WWVB signal search at night. 

  Allow up to 5 nights to receive the time signal. 

 

Set Time Alarm 

 
Press and release the ALARM button once to show Alarm Time. The letters AL will appear 
where the seconds display. 

Summary of Contents for W88631

Page 1: ...ly 4 Atomic Wall clock has missing segments 5 Batteries 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 Howeve...

Page 2: ...be overpowered or underpowered Remove power from the wall clock Press any button 20 times Leave the wall clock unpowered for 1 2 hours Install fresh Alkaline batteries with correct polarity If the indoor temperature is still contact support with the indoor temperature reading and the reading of the comparative product Does the clock have a backlight No the wall clock does not have a backlight Time...

Page 3: ...tton and move to the next item DAYLIGHT SAVING TIME DST will flash and the word ON Press and release the UP or DOWN buttons to turn this to OFF if you do not observe DST Confirm with the SET F C button and move to the next item HOUR The hour will flash Press and release the UP or DOWN buttons to select the correct hour Confirm with the SET F C button and move to the next item MINUTES The minutes w...

Page 4: ...m of printed scratch guard that may be on the screen of the wall clock This thin piece of plastic has printed numbers for store displays When the batteries are installed the real numbers show behind the printed scratch guard and create distortion With all power removed the wall clock should be blank If numbers still appear please check for scratch guard Power Check that the batteries are installed...

Page 5: ... power removed the wall clock should be blank If numbers still appear please check for scratch guard Power Check that the batteries are installed correctly This is generally a power related issue Batteries may be overpowered or underpowered Remove batteries from wall clock Press any button 20 times Leave the batteries out of the display for 2 hours Insert batteries into the wall clock ...

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