La Crosse Technology Clock WT 2171 User Manual

WT-2171  
Radio-controlled  
Travel Alarm Clock  
 
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 Cesium-133  
atom in a vacuum. More information on the atomic clock and WWVB can be found at  
.
PROGRAM MODE  
Following is a list of steps to set up your new La Crosse Technology travel alarm clock.  
Please begin by removing the battery  
Figure One  
cover on the rear of the travel alarm  
shown in figure one.  
Next insert one AA alkaline battery  
into the battery compartment making  
sure to observe the correct polarity.  
When inserting the battery be sure not  
to press any of the buttons on the  
travel alarm as this will interrupt the  
WWVB search and may cause the  
travel alarm to not pick up the radio-controlled time signal.  
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).  
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.  
3
 
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 zone 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  
Central  
Mountain  
Pacific  
EST  
CST  
MST  
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.  
Press and release the “AL/HR” button to select the  
desired time zone.  
Figure Two  
The time zone abbreviation will appear in the LCD.  
“DST” will be displayed to the left of the time zone  
abbreviation.  
Press and release the “MODE/MIN” button to toggle  
between daylight saving time on and off.  
Press and release the “Snooze” button twice to return  
the normal display mode or wait 20 seconds and the  
travel alarm will time out and automatically return to  
the normal display mode.  
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 “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.  
4
 
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  
Problem: The time 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.  
5
 
Opening the casings invalidates the warranty. Do not try to repair the unit.  
Contact La Crosse Technology repairs.  
SPECIFICATIONS  
Dimensions: 3” x 2” x 3.5”  
(L x W x H) (76x 50 x 89 mm)  
Battery  
One AA Alkaline  
Battery  
Battery life  
Approximately  
year  
1
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 repairs, 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.  
6
 
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:  
(warranty work)  
(information on other products)  
web:  
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 ACCEPT INTERFERENCE RECEIVED, INCLUDING  
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.  
V2  
7
 

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