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www.lacrossetechnology.com/support Page | 1

Instruction Manual

DC: 050614

Atomic Analog Wall Clock

Get Started

Step 1: Slide the switch to select a time zone.

Step 2: Insert 1 fresh AA, LR6 1.5 volt ALKALINE battery according to the

polarity marked on the case.

Step 3: Position the clock on an exterior wall that faces Ft. Collins Colorado.

During the night, your clock will automatically set itself.

Note: The hands will move to the 12:00 position and search for the radio signal.

If the radio signal is not received in the first 10 minutes, the clock will start

running from the 12:00 position and will continue to run. Do not attempt to

reset the hands manually even though the time on the clock is incorrect. The

clock is synchronizing to the WWVB signal and once the radio signal is decoded,

the hands will automatically adjust to the correct time. This may take up to 5

nights.

Position Clock

 Choose a location 6 feet or more from electronics such as cordless phones,

wireless gaming systems, televisions, microwaves, routers, baby monitors,

etc., which can prevent signal reception.

 Position clock near an exterior wall that faces Ft. Collins Colorado for

WWVB time signal reception.

 The antenna is available for signal reception when the front or back of the

clock faces Colorado.

Reset:

If the clock does not respond to the various function modes, reset the clock by

pressing the RESET button on the movement case.

Note: We recommend that you change the battery every 24 months to maintain

accuracy. Remove the battery when the clock will not be in use for an extended

period.

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Manual Set Time

On rare occasions in certain areas, the clock

may not be able to receive the radio

controlled function because of the strength of

the signal or the geographic location. In this

case, the clock can be set manually and

used as a regular quartz wall clock.

Note: Allow up to five nights for the clock to receive the WWVB signal before

manually setting the time.

Set the clock manually:

1. Press and hold the SET button for 3+ seconds to activate the manual mode.

Once the clock is in manual mode, there are two ways to move the minute

hand forward.

2. Hold the SET button down to move the minute hand forward consistently.

3. Alternatively, press the SET button rapidly (more than once per second) to

move the minute hand forward step by step (in minute increments).

4. Use these features to move the minute hand forward until the correct time is

set. The clock will automatically leave manual mode after the SET button is

not pressed for 6+ seconds.

Troubleshooting

The wonderful advantage of owning a radio controlled clock is that it is virtually -

trouble free. If the clock receives a clear time signal, it will set itself perfectly. If it

does not receive a time signal, consider the following:

 Battery – The clock must have a fresh battery to receive and process the

time signal.

 Location – Try a different location, ideally near a window. Your clock should

be at least six feet from computers, TVs, air conditioners, other radio-

controlled clocks and other electrical appliances that cause interference.

 Weather – Electrical storms between you and Colorado during the night will

interfere with the WWVB signal.

Daylight Saving Time

The National Institute of Standards and Technology and WWVB encode a special

DST “bit” in the WWVB transmission for DST. Your clock will read this information

and automatically advance the hands one hour in the spring and eleven hours in

the fall.

Arizona

If you live in an area that does not recognize DST, you must slide the DST switch

OFF. To reactivate the DST program simply slide the switch to the ON position.

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Manual WWVB Time Signal Search

For information about WWVB, visit: www.nist.gov/pml/div688/grp40/wwvb.cfm

Manual Signal Search:

The WWVB signal is strongest at night.

 Hold the WAVE button down for 3+ seconds.

 The hands will automatically reset to the 12:00 position, and the movement

will search for the WWVB time signal from Fort Collins, CO.

 If the movement successfully receives the signal, the clock will reset

automatically to the correct time. The signal search takes approximately 3-8

minutes.

 -Set the clock manually and the movement's micro, CPU will control the time

keeping function.

Internal Synchronization:

Once the clock has set correctly by the radio signal, the clock’s CPU operates

continuously. To ensure accuracy, the clock synchronizes the position of the

second and minute hands to the time calculated by the CPU every day. Second

hand synchronization occurs at 1:30 a.m. and 9:30 a.m. and minute hand

synchronization occurs between 1:50 and 2:01 am every day.

Signal Interference:

In some cases, the signal is affected by weather conditions and electrical

interferences, or the location of the clock itself may result in poor reception. If the

clock has not synchronized to the correct time within a few days of activation, you

may need to move the clock to a different location.

Frequently Asked Questions

Q. How long will the battery last?

A. A good AA alkaline battery will last over 24 months.

Q: Can I wire a control timing circuit to the La Crosse Technology® atomic clock?

A: No, the clock cannot work on a timing circuit. Opening the clock voids the warranty.

Q: Is there a booster antenna to receive the WWVB signal in a difficult location?

A: No, the clock cannot work with a booster antenna. Opening the clock or movement voids

the warranty.

Q: Can I shut off the WWVB signal?

A: No. If you manually set the time, when the clock receives a WWVB signal, that signal

will override the manual set. The WAVE button will temporarily stop a WWVB search, but

will not permanent stop the clock from receiving a WWVB time signal.

Q: Is there a version of analog clock with more than the four continental US times

zones?

A: La Crosse Technology® does not make an analog clock with more than four time zones.

These time zones are P (Pacific Time), M (Mountain Time), C (Central Time), and E

(Eastern Time).

Produktspecifikationer

Varumärke:	La Crosse Technology
Kategori:	klocka
Modell:	WT-3122B
Enhetsplacering:	Ingebouwd
Typ av operation:	Draaiknop
Färg på produkten:	Black, Stainless steel
Dörrgångjärn:	Neer
Inbyggd display:	Ja
Vikt:	47647 g
Bredd:	594 mm
Djup:	550 mm
Höjd:	717 mm
Nettoskatt:	5300 W
Grill:	Ja
Energie-efficiëntieklasse:	A
Förpackningens bredd:	695 mm
Djuppackning:	660 mm
Förpackningshöjd:	790 mm
Belysning inuti:	Ja
Integrerad klocka:	Ja
Typ av klocka:	Elektronisch
Konvektionsmatlagning:	Ja
Typ av lampa:	Halogeen
Total inomhuskapacitet (ugnar):	81 l
Antal ugnar:	2
Kontrollposition:	Voorkant
Installationsfackets bredd:	568 mm
Installationsfack djup:	550 mm
Installationsfack höjd:	720 mm
Nuvarande:	25 A
Material genom:	Glas
Installationsfack höjd (min):	720 mm
Energiförbrukning (konventionell):	0.84 kWu
Energiförbrukning (tvungen konvektion):	0.71 kWu
Att laga:	Ja
Ugnsstorlek:	Middelmaat
Typ av ugn:	Elektrische oven
Total ugnseffekt:	- W
Ugn med nettokapacitet:	47 l
Över- och undervärme:	Ja
Ugnens termostatområde:	50 - 275 °C
Självrengörande:	Ja
Undervärmning:	Ja
Övervärme:	Ja
Dörrkylningsfläkt:	Ja
Skriv timer:	Digitaal
Installationsfackets bredd (min):	560 mm
Varmluftsgrillning:	Ja
Certifiering:	CE, VDE
Snabb värme:	Ja
Antal rutnät:	2
Antal hyllplatser:	3
Rengöringsteknik:	ecoClean
Energiförbrukning (standby):	0.83 kWu
Inklusive grillställ:	Ja
Ugn 2 nettokapacitet:	34 l
Ugn 2 storlekar:	Klein
Ugn 2 strömkälla:	Electrisch
AC-ingångsspänning:	220 - 240 V
AC-ingångsfrekvens:	50 Hz
Type beeldscherm:	LCD
Energieffektivitetsskala:	A++ tot D
Ugn 2 energieffektivitetsklass:	B
Termostatintervall för ugn 2:	50 - 275 °C