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Model: WT-3181PL   www.lacrossetechnology.com/support      

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Model:

 WT-3181PL 

Instruction Manual 

DC: 

041614

 

18” Indoor/Outdoor Atomic Wall Clock 

 

 

Get Started 

 

Step 1: 

Remove the round battery cover from the back of the clock.

 

Step 2: 

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

             the polarity marked on the case. Replace the battery cover. 

Step 2:

 Firmly press the time zone button once. 

Step 3:

 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, 4:00 or 8:00 position and 

search for the radio signal. If the radio signal is received the time 
will set.  If the signal is 

not

 received the clock will stay at the 

12:00, 4:00 or 8:00 position and search for the WWVB time signal 
on the even hours. Once the radio signal is decoded, the hands 
will automatically adjust to the correct time. This may take up to 5 
nights. 

Step 4:

 The default time zone is Pacific Time. If the clocks sets itself and  

             the hours are off, hold the correct time zone button for 5 seconds  
             to correct. 
 

Position Clock 

 

 

Indoor:

 Choose a location 6 feet or more from electronics such as 

cordless phones, wireless gaming systems, televisions, microwaves, 
routers, baby monitors, etc., which can prevent signal reception. 

Round 

Battery 

Cover 

Summary of Contents for WT-3181PL

Page 1: ...to the 12 00 4 00 or 8 00 position and search for the radio signal If the radio signal is received the time will set If the signal is not received the clock will stay at the 12 00 4 00 or 8 00 position and search for the WWVB time signal on the even hours Once the radio signal is decoded the hands will automatically adjust to the correct time This may take up to 5 nights Step 4 The default time zo...

Page 2: ...able to receive the radio controlled time signal due to the strength of the signal or the geographic location In this case the clock can be set manually and used as a regular quartz wall clock Note Allow up to five nights for the clock to receive the WWVB signal before manually setting the time Set the clock manually 1 Remove battery for 15 minutes and press the Manual Set Tab 20 times 2 After 15 ...

Page 3: ...may be adjusted To manually adjust the sensors use a flat tipped screwdriver to gently turn the temperature or humidity sensor screw at the back of the clock until desired setting has been reached Daylight Saving Time The National Institute of Standards and Technology and WWVB encode a special DST bit in the WWVB transmission for DST Your clock will read this information and automatically advance ...

Page 4: ...ake an analog clock with more than four time zones These time zones are PT Pacific Time MT Mountain Time CT Central Time and ET Eastern Time Q Can I shut off the WWVB signal A No If you manually set the time when the clock receives a WWVB signal that signal will override the manual set Q Is there a booster antenna to receive the WWVB signal in a difficult location A No the clock cannot work with a...

Page 5: ...erference Weather Electrical storms between you and Colorado during the night will interfere with the WWVB signal Care and Maintenance Do not mix old and new batteries Do not mix Alkaline Standard Lithium or Rechargeable Batteries Do not expose to extreme temperature vibration or shock Clean with a soft damp cloth Do not use solvents The product is not a toy Keep it out of reach of children The pr...

Page 6: ...ay cause undesired operation NOTE THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TO OPERATE THE EQUIPMENT All rights reserved This handbook must not be reproduced in any form even in excerpts or duplicated or processed using electronic mechanical or chemical procedures with...

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