La Crosse Technology WT-3123A Manual

La Crosse Technology Vækkeur WT-3123A

Læs gratis den danske manual til La Crosse Technology WT-3123A (2 sider) i kategorien Vækkeur. Denne vejledning er vurderet som hjælpsom af 44 personer og har en gennemsnitlig bedømmelse på 4.8 stjerner ud af 22.5 anmeldelser. Har du et spørgsmål om La Crosse Technology WT-3123A, eller vil du spørge andre brugere om produktet?

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Side 1/2

La Crosse Technology

Radio Controlled

Analog Clock

OWNER’S MANUAL

Quick set up instructions

Welcome to the world of radio controlled 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.

• Insert 1 fresh AA, LR6

1.5 volt ALKALINE battery

• Press button to select a time zone. THAT’S IT! During the night your clock will

automatically set itself.

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 radio controlled clocks.

Since the beginning of time, man has been fascinated with the measurement of time and has devised more accurate machines to

trap and measure time. Today, time is precisely 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, where the exact time signal is

continuously broadcast throughout the United States at 60 kHz to take advantage of stable longwave 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 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 radio controlled clocks always keep precise time. The changeover from

standard time to daylight savings time, and vice versa, takes place automatically with the same precision.

Additional details

To set up your clock simply install one fresh AA, LR6 ALKALINE battery. Due to the nature of long wave radio signals it is

normally not possible to receive a signal during the day so it is best to install the battery late in the evening. 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. The time zone

buttons may be pressed any time after installing the batteries. 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. Another time zone can be selected during or after the

clock has set itself. Your clock can only set itself to one of the four time zones stated above. 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.

When the battery is installed the second hand will advance eight seconds (two seconds per step x four steps). The clock is now

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, or it will determine that the signal is not

receivable at its current location and time of day. If a signal is not receivable it will fast-forward the hands to the 4, 8, or 12 o’clock

position and search for WWVB each hour until a signal is received.

If the time is manually set the clock will continue to peri

odically

search for a signal and automatically reset the hands when the signal is received.

Select 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. The optimal location is

near a window. Windows facing Colorado providing the best signa

The WWVB time signal will easily penetrate Masonry and wood framed buildings. WWVB will penetrate almost every residential

building and most steel buildings if they have adequate windows. It is not possible, however, for WWVB to penetrate most indoor

Produkt Specifikationer

Mærke:	La Crosse Technology
Kategori:	Vækkeur
Model:	WT-3123A

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