La Crosse Technology WT-2171U Handleiding
La Crosse Technology
Niet gecategoriseerd
WT-2171U
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Pagina 1/8
WT-2171
Radio-controlled
Travel Alarm Clock
Topic Page
Inventory of Contents 3
About WWVB 3
Program Mode
Initial Set-up 3
Manual Time Setting Option 4
Time Zone Setting 4
Daylight Savings Time (DST) 5
Display Mode Setting 5
Setting the Alarm 5
Operating the Alarm 5
Troubleshooting 6
Maintenance and Care 6
Specifications 6
Warranty Information 7-8
2
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
www.nist.gov.
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
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 n
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.
ot
• 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.
Figure One
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
3
Product specificaties
| Merk: | La Crosse Technology |
| Categorie: | Niet gecategoriseerd |
| Model: | WT-2171U |
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