La Crosse Technology WT-941 User's Manual
Contents
1. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND THIS DEVICE MUST ACCEPT INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION2. iFI4S6 GMT 10 Atlantic Time ATL GMT 4 Eastern Time EST GMT 5 Central Time CST GMT 6 Mountain Time MST GMT 7 Pacific Time PST GMT 8 Alaska Time ALA GMT 9 Hawaii Time HAW GMT 10 Greenwich Mean Time GMT GMT DAYLIGHT SAVING TIME DST Through the WWVB signals the watch automatically adjusts for Daylight Saving Time SHUTDOWN AND RESETTING This procedure will clear all information Follow the above sections I II to activate the watch again 1 Hold down the TIME ZONE button for 6 seconds The LCD will cycle from normal display to Time Zone display and back to normal display The final display will be OFF MANUALLY ACTIVATING THE WWVB SEARCH At any time after the Time Zone has been selected and during the normal operating mode 1 Hold down the TIME ZONE button for 4 seconds the LCD will display the time zone then will revert back to normal view The WWYVB tower icon will appear in the upper right corner of the LCD indicating that the watch is searching for a WWVPB signal Note It is important not to hold the TIME ZONE button down long enough to shutdown or reset the watch LOW BATTERY INDICATOR The watch is supplied with and powered by a high quality 3V lithium battery with a life expectancy of over 2 years There is a low battery indicator that appears between the minutes and the date when the battery is low The battery should be replaced within 2 months of the appearance o
3. the WWVB signal will not be received Change the Time Zone 2 Move watch 10 feet 3 meters away from any interfering sources i e electrical appliances refrigerators TV s computers metal surfaces or objects 3 To help with overnight reception place watch in a window with the band inline with the general direction of Ft Collins Colorado 4 There are a few places the signal is very weak Los Angeles area Some parts of Florida and New York City Since the watch has a much smaller receiver than our other clocks it is possible no reception can be made Please inform La Crosse Technology in this case The watch displays and no date Solution 1 The watch entered the power off mode and was reactivated No signal has been located and no time is set Once the watch receives the time signal successfully usually at night it will display the correct time and date Eastern Time zone is the default Problem The hour or minute is incorrect even though the tower icon is on indicating a successful reception of the WWVB time signal the previous night and it is set to the proper time zone 1 Electrical interference caused the time signal to be improperly received Be sure the watch is at least six feet from any source of electrical activity television computer Overnight it should correct itself 2 You may need to perform a reset follow the directions outlined in section IV Note For all questions not answered conta
4. MODEL WT 941 WWVB RADIO CONTROLLED WATCH ABOUT WWVB Radio Controlled Time The NIST National Institute of Standards and Technology Time and Frequency Division WWVB radio station is located in Ft Collins Colorado and transmits the exact time signal continuously at 60 kHz The signal can be received up to 2 000 miles away through the internal antenna in the watch However due to the nature of the Earth s Ionosphere reception is very limited during daylight hours The Watch will search for a signal every night when reception is best The WWVB radio station derives its signal from the NIST Atomic clock in Ft Collins Colorado A team of atomic physicists is continually measuring 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 watch is regulated by the WWVB transmitter SET UP GUIDE FEATURES AND OPERATIC CROSSE NOLOGY ng 10 10 I ACTIVATION TIME ZONE key The Radio Controlled watch is programmed and snipped n a battery saving mode The LCD Liquid Crystal Display displays OFF and must be activated before set up can begin Your watch may not be in this mode if not all you need to do is set your time zone the correct time may or not be shown 1 Press the TIME ZONE button briefly to activate the WWVB reception search The LCD lights u
5. ct La Crosse Technology contact information is below Solution WARRANTY INFORMATION La Crosse Technology provides a 1 year warranty on this watch Contact La Crosse Technology immediately upon discovery of any defects covered by this warranty Before sending the watch in for repairs contact La Crosse Technology The watch will be repaired or replaced with the same or similar model This warranty does not cover any defects resulting from improper use unauthorized repairs faulty batteries or the watch s inability to receive a signal due to any source of interference LA CROSSE TECHNOLOGY WILL NOT ASSUME LIABILITY FOR INCIDENTAL CONSEQUENTIAL PUNITIVE OR OTHER SIMILAR DAMAGES ASSOCIATED WITH THE OPERATION OR MALFUNCTION OF THIS WATCH THIS PRODUCT IS NOT TO BE USED FOR MEDICAL PURPOSES OR FOR PUBLIC INFORMATION THIS PRODUCT IS NOT A TOY KEEP OUT OF CHILDRENS 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 2809 Losey Blvd S La Crosse WI 54601 Phone 608 782 1610 Fax 608 796 1020 e mail support lacrossetechnology com warranty work sales lacrossetechnology com information on other products web www lacrossetechnology com
6. f the low battery indicator MAINTENANCE AND CARE Under normal conditions the watch is shock resistant however avoid excessive rough treatment of the watch as this may cause serious damage Clean the watch with a soft dry cloth or with one moistened with a mild soap solution Do not use any chemical cleaning solutions these may cause permanent damage to the watch s surface While the watch is water resistant VIII to 100 feet do not submerge in water for extended periods of time 1 ADJUSTING THE STRAP The rubber strap is adjustable to fit most all wrist sizes It is also replaceable with a properly sized band available at a local watch or department store The strap is held in place by a pin on each side REPLACING THE BATTERY The battery can either be replaced by a qualified jeweler or watch repair shop or by the user Any damage resulting from this procedure is not covered under warranty 1 So Remove the four screws located on the back and remove the cover Be sure the watch movement and gasket do not come out of the case Remove the old battery Battery by gently prying up the compartment battery clip Insert a new battery of the type CR1620 3 Volt Lithium Cell battery Please dispose of the old battery properly TROUBLESHOOTING No WWVB signal indicated by the absence of the WWVB tower icon 1 Check the selected Time Zone If it is set between GMT 1 and GMT Solution 12
7. p briefly and will then display and the watch will begin to search for the WWVB signal If a signal is found a tower icon will flash if no signal is present no icon will flash 5u 10 ia 2 34 56 2 Within six minutes the watch will either set to the exact time and date Eastern is the default or will display OFF Do not press the TIME ZONE button while the watch is searching for the WWYVB signal which normally takes 6 10 minutes However the optimal time for WWVB reception is between midnight and 6 00 a m reception may not occur until this time period When the WWVB search is complete the time and date will automatically be displayed in the LCD If the watch is not within range of WWVB signals for an extended period of time it will still continue to operate as a highly accurate quartz controlled clock Il HI IV VI VII TIME ZONE SELECTION The default Time Zone is Eastern Time EST also GMT 5 There are 25 Time Zones to choose from The selection will cycle from GMT 5 to GMT 12 then GMT 12 to GMT 1 then GMT then GMT 1 to GMT 5 1 Hold down the TIME ZONE button for 2 seconds or until a Time Zone abbreviation and ZONE flash in the LCD and release 2 Repeatedly press the TIME ZONE button until the appropriate Time Zone is displayed 3 Wait 6 seconds for the automatic time out to exit the Time Zone selection mode HA amp Hawaii Time displayed
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