La Crosse Technology WT-2171 User's Manual
Contents
1. Cesium 133 atom in a vacuum More information on the atomic clock and WWVB can be found at WWww nist gov PROGRAM MODE Following is a list of steps to set up your new La Crosse Technology travel alarm clock e Please begin by removing the battery cover on the rear of the travel alarm Figure One shown in figure one j P e Next insert one AA alkaline battery into the battery compartment making Gana sure to observe the correct polarity e When inserting the battery be sure not Ss to press any of the buttons on the travel alarm as this will interrupt the WWYVB search and may cause the travel alarm to not pick up the radio controlled time signal e Now replace the battery cover and face the travel alarm with the back of the unit towards Colorado this has been found to help the unit pick up the WWVB signal e When the WWVB signal is received a tower icon will appear on the left side of the LCD display NOTE Due to the nature of the WWVB signal it may take overnight for the travel alarm to receive the signal and set Adverse weather conditions may also affect the travel alarms ability to receive the signal In some cases it may take several nights for the travel alarm to set Time Zone and DST Daylight Saving Time Setting You can manually set the time zone and the DST option on your travel alarm by pressing and holding the MODE MIN button figure two on the front of your travel alarm for 4 seconds The time zon2. ACCEPT INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION V2
3. AL HR button to advance to the desired hour Press and release the MODE MIN button to advance to the desired minute Press and release the Snooze button twice to return to the normal display mode or wait 20 seconds and the travel alarm will time out and automatically return to the normal display mode Operating the Alarm To turn the alarm on press and release the AL HR button The alarm icon will be displayed in the lower right of the LCD to indicate that the alarm has been turned on The alarm will sound for 100 seconds once activated By pressing the snooze button the alarm will be suspended for 8 minutes Manual Time Setting Option You can also manually set the time on your travel alarm by pressing and holding the MODE MIN button figure two on the front of your travel alarm for 4 seconds The time zone abbreviation will appear in the LCD Press and release the Snooze button once The time will now flash in the LCD Press and release the AL HR button to advance the hours Press and release the MODE MIN button to advance the minutes Press and release the Snooze button twice to return the normal display mode or wait 20 seconds and the travel alarm will automatically return to the normal display mode TROUBLESHOOTING NOTE For problems not solved please contact La Crosse Technology via e mail or phone or visit our website www lacrossetechnology com Problem The tim
4. WT 2171 Radio controlled Travel Alarm Clock 2 534 DW L A C R O S S E tools and technology T E C H N O L O G Y for home and office Topic Page Inventory of Contents 3 About WWVB 3 Program Mode Initial Set up Time Zone and DST Setting Display Mode Setting Setting the Alarm Operating the Alarm Manual Time Setting Option Troubleshooting Maintenance and Care Specifications Warranty Information DIin nf n anfur alal a oo INVENTORY OF CONTENTS 1 The travel alarm 2 Instruction manual 3 Warranty card ABOUT RADIO CONTROLLED TIME WWVB 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 and date signal continuously throughout the United States at 60 kHz The signal can be received up to 2 000 miles away through the internal antenna in the alarm clock Due to the nature of the Earth s Ionosphere reception is very limited during daylight hours The alarm clock will search for a signal every night when reception is best The WWVB radio station derives its signal from the NIST Atomic clock in Boulder 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
5. e and date will not set initially Solution It usually takes overnight before the clock can receive the signal due to the interference the sun has on the WWVB signal Wait overnight for the signal Solution Computer monitors and televisions can cause interference with the signal reception Please keep the clock at least six feet from electrical sources Solution In some areas of the US in particular on the East and West coasts the signal is very weak It may take up to 72 hours before a good signal is received The reception can be helped by placing the clock in a window facing Colorado with the back towards Colorado MAINTENANCE AND CARE INSTRUCTIONS Extreme temperatures vibration and shock should be avoided to prevent damage to the unit Clean displays and units with a soft damp cloth Do not use solvents or scouring agents they may mark the displays and casings Do not submerge in water Do not subject the units to unnecessary heat or cold by placing them in the oven or freezer e Opening the casings invalidates the warranty Do not try to repair the unit Contact La Crosse Technology repairs SPECIFICATIONS L x W x H 76x 50 x 89 mm Batter Battery life Approximately 1 ear WARRANTY INFORMATION La Crosse Technology provides a 1 year warranty on this travel alarm Contact La Crosse Technology immediately upon discovery of any defects covered by this warranty Before sending the travel alarm in for re
6. e will appear flashing in the LCD You can select from four U S time zones Eastern Central Mountain and Pacific on your travel alarm The time zones are abbreviated with three letters as follows Eastern EST Central CST Mountain MST Pacific PST You can select whether or not your alarm recognizes the daylight saving time changes twice a year and automatically changes Some areas do not change time for daylight saving time Arizona and parts of Indiana The default factory setting is daylight saving time on e Press and release the AL HR button to select the desired time zone Figure Two e The time zone abbreviation will appear in the LCD e DST will be displayed to the left of the time zone Se abbreviation l e Press and release the MODE MIN button to toggle IZ J uy between daylight saving time on and off 55 e Press and release the Snooze button twice to return RADIO CONTROLLED the normal display mode or wait 20 seconds and the travel alarm will time out and automatically return to the normal display mode AL HR MODE MIN Display Mode Setting The display below the time can be switched between showing the seconds and the alarm time To switch between these two modes press and release the MODE MIN button Setting the Alarm To set the alarm press and hold the AL HR button for 4 seconds The alarm time will flash in the bottom left of the LCD screen Press and release the
7. pairs please contact La Crosse Technology The travel alarm will be repaired or replaced with the same or similar a similar model This warranty does not cover any defects resulting from improper use unauthorized repairs faulty batteries or the travel alarms 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 TRAVEL ALARM 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 at La Crosse Technology Ltd 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 FCC ID OMO 01RX THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST
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