La Crosse Technology WT-3128U wall clock
Contents
1. Tomorrow s Weather Today Model WT 3128 Radio Controlled Analog Clock Quick Setup Instructions Welcome to the world of atomic timekeeping technology We hope you will enjoy the convenience of never having to set your clock again and the confidence of knowing exactly what time it is LA cRosse TECHNOLOGY INTIAL SETUP Insert 1 new AA LR6 1 5 volt ALKALINE battery into the digital clock battery compartment the lower battery compartment according to the polarity marked on the case Insert 1 new battery AA LR6 1 5 V into the analog clock battery compartment according to the polarity marked on the case BATTERY COMPARTMENT BATTERY FOR THE COMPARTMENT ANALOG CLOCK FOR THE DIGITAL CLOCK Once the battery is installed the clock will begin searching for a signal For the initial setting it is recommended to stand the clock in an upright position near a window Within five minutes the clock will either receive the WWVB signal and set itself to the exact time for the default Pacific Time Zone or it will determine that the signal is not receivable at its current location and time of day The clock will fast forward the hands to the 4 8 or 12 o clock position immediately and search for WWVB at a specific time until a signal is received Note If the time is manually set the clock will continue to periodically search for a signal and automatically reset the han2. Remove the battery cover at the back of the clock and insert 1 AA Alkaline battery in the battery compartment 2 All segments of the LCD will light up briefly then the display and the current indoor temperature will be displayed Note If the Display time is pressed while the analog clock is still searching for the WWVB signal the digital clock will display for the date and for the world time 3 Wait for the digital clock to receive the WWVB time and date from the analog clock Then the digital clock will start normal runs BATTERY COMPARTMENT COVER DISPLAY KEY TIME SET KEY FOR WORLD TIME BATTERY COMPARTMENT Notes The minutes and seconds of the digital clock cannot be manually set It will receive the WWVB time from the analog clock The time format is fixed to 12 hr time display PM will be shown in hours from noon to midnight The calendar will also be updated once the WWVB signal from the analog clock has been received WORLD TIME SETTING This feature allows you to display a 2 time from anywhere in the world The world time can be manually adjusted by 1 hour increments 24 hour time zone i Press the Time Set key to enter world time setting 2 Press the Time Set key again to set the desired world time Each key press will increase the world time by 1 hour Notes Once the WWVB signal has been received by the digital clock the manually adjusted world time w
3. TIME SET gt Ti Ecne l BUTTON E BATTERY COMPARTMENT PACIFIC i EASTERN TIME Time TS hf S MOUNTAIN TIME DST ON OFF CENTRAL BUTTON TIME TO SET THE TIME USING THE MANUAL TIME SET BUTTON In some cases the La Crosse Technology atomic clock may not receive the WWVB signal due to atmospheric disturbances or hard to reach locations such as inside shopping malls In this case please use the Manual Time Set button located at the back of the clock to manually set the time To do this MANUAL TIME SET i ECLRS lI BUTTON 1 Remove the battery and press the Manual set button 10 times 2 Insert 1 new AA Alkaline battery 3 Press and hold the Manual Set button until the second hand of the clock moves to the 12 position 4 Release the Manual Set button and again press and hold the Manual Set button The minute and hour hands will fast forward while the button is held Keep holding the Manual Set button until the time is set as required 6 Release the button About 3 seconds later the second hands will start to move and the clock is now running with manual time a Note When the clock displays manual time it will continue to try to receive the WWVB signal at each of the even numbered hours 0 00 2 00 4 00 6 00 20 00 amp 22 00 DIGITAL CLOCK 1
4. ds when the signal is received Once the clock has received the WWVB signal press the time zone button to select your time zone If you are in the Pacific Time Zone no change is needed and you are ready to hang your clock If you are not in the Pacific Time Zone select your time zone by pressing one of the four time zone buttons PT Pacific Time MT Mountain Time CT Central Time ET Eastern Time and holding this button down for 5 seconds If multiple buttons are pressed the clock will set to the time zone selected last If no time zone is selected the clock will default to Pacific Time If you live in an area that does not recognize DST Arizona you must press the DST button unmarked just above and between the Central and Eastern time zone buttons for one second to deactivate your clock s DST program For time zones outside of PT MT CT or ET you must manually set the time using the Manual Time set button on the back of the movement See instructions below Please Note WWVB time will over ride a manual setting ADDITIONAL DETAILS For a better understanding of how and why your clock works please continue reading NOTHING IS MORE PRECISELY MEASURED THAN TIME And nothing keeps track of time more precisely and trouble free than La Crosse Technology atomic clocks Since the beginning of time man has been fascinated with the measurement of time and has devised more accurate machines to measure time Today time is precisel
5. e a year to maintain the best running accuracy Ensure that the batteries used are new and the correct size ki WARRANTY INFORMATION La Crosse Technology Ltd provides a 1 year limited warranty on this product against manufacturing defects in materials and workmanship This limited warranty begins on the original date of purchase is valid only on products purchased and used in North America and only to the original purchaser of this product To receive warranty service the purchaser must contact La Crosse Technology Ltd for problem determination and service procedures Warranty service can only be performed by a La Crosse Technology Ltd authorized service center The original dated bill of sale must be presented upon request as proof of purchase to La Crosse Technology Ltd or La Crosse Technology Ltd s authorized service center La Crosse Technology Ltd will repair or replace this product at our option and at no charge as stipulated herein with new or reconditioned parts or products if found to be defective during the limited warranty period specified above All replaced parts and products become the property of La Crosse Technology Ltd and must be returned to La Crosse Technology Ltd Replacement parts and products assume the remaining original warranty or ninety 90 days whichever is longer La Crosse Technology Ltd will pay all expenses for labor and materials for all repairs covered by this warranty If nec
6. ear Q Can this La Crosse Technology clock be used outdoors A No Outdoor use is not recommended for this clock Q Can the La Crosse Technology atomic clock be wired to control timing circuits A No TROUBLESHOOTING The wonderful advantage of owning a La Crosse Technology atomic clock is that it is virtually trouble free If the clock receives a clear signal it will set itself perfectly If it does not receive a signal consider the following Battery The La Crosse Technology atomic clock must have a fresh battery to receive and process the time signal Location Try a different location ideally near a window It 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 can interfere with the WWVB signal The clock seems to take off or the hands start to spin for no apparent reason and then stop It is not uncommon for the clock to make a correction sometimes daily This happens if the clock gets ahead of itself by a fraction of a second To correct this the clock will advance a complete rotation the next time it receives a signal WARRANTY This product is warranted to be free of defects in manufacturing for 1 year after purchase Defective clocks should be returned to the place of retail purchase BATTERIES For best performance batteries should be replaced at least onc
7. econds Note If the Display key is pressed during the initial set up of the of analog clock The date and world time sections will not be shown in the different display modes LOW BATTERY ICON When the battery of the digital clock needs to be replaced the low battery icon will appear on the LCD section of the digital clock DAYLIGHT SAVING TIME The National Institute of Standards and Technology and WWVB encode a special DST bit in the WWVB transmission for DST Your La Crosse Technology clock will read this information and automatically advance the hands one hour in the spring and eleven hours to go back one hour in the fall ARIZONA If you live in an area that does not recognize DST you must press the unmarked DST button for one second to deactivate your clock s DST program To reactivate the DST program simply press the DST button again for one second FREQUENTLY ASKED QUESTIONS Q Will the digital World Time display also set ahead or back one hour for DST A Yes if you have DST set to ON By default DST is set to ON If the digital World Time display is set to a foreign time zone for a country that has not adopted the same DST dates you will need to manually set the LCD Q How long will the battery last A A good AA alkaline battery will last over one year If your clock is located in an area with little interference where it can quickly receive a signal the battery can last much longer than one y
8. elect a location to place your radio controlled clock where it will be at least six feet away from a TV computer air conditioner or other household electrical appliances e The optimal location is near a window Windows facing Colorado provide the best signal e Do not submerge clock in water e Extreme temperatures vibration and shock should be avoided to prevent damage to the clock e The WWVB time signal will easily penetrate masonry and wood framed buildings e The WWVB signal will penetrate almost every residential building and most steel buildings if they have adequate windows It is not possible however for the WWYVB signal to penetrate most indoor shopping malls and rooms in the center of large office buildings that do not have windows e In buildings that WWVB cannot penetrate you may set the time using the manual time set button When the clock receives the WWVB signal it will automatically set the hands to the exact time La Crosse Technology atomic clocks do not receive or process radio controlled time signals from Germany s DCF 77 Japan s J Ga AS or England s MSFs atomically regulated transmitters La Crosse Technology atomic clocks can be manually set and used anywhere Please Note WWVB time will over ride a manual setting For more information on the NIST and radio controlled time see www boulder nist gov timefreq MANUAL
9. esentation by the seller or performance variations resulting from installation related circumstances LA CROSSE TECHNOLOGY LTD WILL NOT ASSUME LIABILITY FOR INCIDENTAL CONSEQUENTIAL PUNITIVE OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS PRODUCT THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION THIS PRODUCT IS NOT A TOY KEEP OUT OF CHILDREN S REACH This warranty gives you specific legal rights You may also have other rights specific to your State Some States do no allow the exclusion of consequential or incidental damages therefore the above exclusion of limitation may not apply to you For warranty work technical support or information contact La Crosse Technology Ltd 2817 Losey Blvd S La Crosse WI 54601 The complete instruction manual is available at www lacrossetechnology com support Le manuel d instruction complet est disponible sur www lacrossetechnology com support El manual de instrucciones completo esta disponible en www lacrossetechnology com support 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 without written permission of the publisher This handbook may contain mistakes and printing errors The information in this handbook is regularly checked and corrections made in the next issue We accept no liability for tec
10. essary repairs are not covered by this warranty or if a product is examined which is not in need or repair you will be charged for the repairs or examination The owner must pay any shipping charges incurred in getting your La Crosse Technology Ltd product to a La Crosse Technology Ltd authorized service center Your La Crosse Technology Ltd warranty covers all defects in material and workmanship with the following specified exceptions 1 damage caused by accident unreasonable use or Please help in the preservation of the environment and return used batteries to an authorized depot 2 neglect including the lack of reasonable and necessary maintenance 2 damage occurring during shipment claims must be presented to the carrier 3 damage to or deterioration of any accessory or decorative surface 4 damage resulting from failure to follow instructions contained in your owner s manual 5 damage resulting from the performance of repairs or alterations by someone other than an authorized La Crosse Technology Ltd authorized service center 6 units used for other than home use 7 applications and uses that this product was not intended or 8 the products inability to receive a signal due to any source of interference This warranty covers only actual defects within the product itself and does not cover the cost of installation or removal from a fixed installation normal set up or adjustments claims based on misrepr
11. hnical mistakes or printing errors or their consequences All trademarks and patents are acknowledged EJMA3128L210 Printed in China
12. ill be updated If a world time has been manually set prior to reception of the WWVB time the time in the digital clock will change correspondingly with the analog clock The calendar month day will not follow the set world time it can only be updated from the WWVB signal When DST changes the digital and analog times will set ahead or back one hour in accordance with the NIST signal To maintain proper World Time you may have to manually adjust the hour CHANGING THE DISPLAY MODE Indoor Temperature Date Weekday World Time Seconds There are 4 possible display modes to view the indoor month amp day weekday world time seconds The month amp day indoor temperature is the default display To change the display ay Press the Display key once The display will show the month amp day weekday 2 Press the Display key a second time The display will show the world time indoor temperature Note The indoor temperature can only be displayed in Fahrenheit The temperature range is from 14 2 F to 103 8 F with 0 2 F resolution The temperature is updated every 20 seconds 3 Press the Display key a third time The display will show the world time seconds Press the Display key a fourth time The display will return to the default display EY is EY m Month amp day Weekday Month amp day Indoor temperature WORLD TIME 14 is World time Indoor temperature MECE World Time S
13. y measured in the United States by the most accurate clock in North America the Atomic Clock of the US National Institute of Standards and Technology Time and Frequency Division in Boulder Colorado A team of atomic physicists continually measures every second of every day to an accuracy of ten billionths of a second per day These physicists have created an international standard measuring a second as 9 192 631 770 vibrations of a Cesium 133 atom in a vacuum This atomic clock regulates the WWVB radio transmitter located in Fort Collins Colorado From here the exact time signal is continuously broadcasted throughout the United States at 60 kHz to take advantage of stable long wave radio paths found in that frequency range Radio waves at these low frequencies use the earth and the ionosphere as a wave guide and follow the curvature of the earth for long distances The built in antenna system in your clock will receive the WWVB signal anywhere in North America within 2000 miles of Fort Collins where long wave radio reception is undisturbed A microprocessor activates the receiver and processes the time signal from Fort Collins overnight Through the radio signals La Crosse Technology atomic clocks always keep precise time The changeover from standard time to daylight saving time and vice versa takes place automatically with the same precision e The La Crosse Technology atomic clock is designed for indoor use e For indoor locations s
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