La Crosse Technology 404-1220 Bedienungsanleitung

www.lacrossetechnology.com/support Page | 1

Model: 404-1220

Instruction Manual

DC: 050614

20 “ Atomic Wall Clock

Get Started

Step 1: Insert 1 fresh “C”, LR14 1.5 volt ALKALINE battery

according to the polarity marked on the case.

Step 2: Firmly press the time zone button once.

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, 4:00 or 8:00

position and search for the radio signal. If the radio

signal is received the time will set. If the signal is not

received the clock will stay at the 12:00, 4:00 or 8:00

position and search for the WWVB time signal on the

even hours. Once the radio signal is decoded, the hands

will automatically adjust to the correct time. This may

take up to 5 nights.

Step 4: The default time zone is Pacific Time. If the clocks sets

itself and the hours are off, hold the correct time zone

button for 5 seconds to correct.

Position Clock

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

cordless phones, wireless gaming systems, televisions,

Manual

Set Button

Battery

Compartment

1-“C” Alkaline

Central

Time

Pacific

Time

DST

Indicator

Eastern

Time

Mountain

Time

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microwaves, routers, baby monitors, etc., which can

prevent signal reception.

Position 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.

Manual Set Time

On rare occasions in certain areas, the clock may not be able to

receive the radio controlled time signal due to 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:

On rare occasions it is not possible to receive a WWVB signal at

the location of the clock. In this instance the clock may be set

manually and will operate as a quartz clock.

1. Press and hold the Q-Set Button on the backside of the

movement until the second hand starts running.

2. Release the button quickly (less than 3 seconds) and press

it again to set actual time.

3. Three seconds after releasing the Q-Set Button your clock

will start working as a Quartz Clock.

4. In Quartz Mode your clock will try to receive each even

hour. If a signal is received it will override the manual set

time.

Manual

Set Button

Q-SET

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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 press the DST button one time only to turn OFF.

Manual WWVB Time Signal Search

For information about WWVB, visit:

www.nist.gov/pml/div688/grp40/wwvb.cfm

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.

Auto Correction

The clock automatically checks its hands position daily between

3:00 and 4:05 (pm). If hands position is not equal to internal

time, the hands are driven (quick run) to the correct time

again. You will see the hands spin completely around during

this correction. This is normal behavior.

Frequently Asked Questions

Q. How long will the battery last?

A: A good “C” alkaline battery will last over one year. If your

clock is located in an area with little interference where it can

quickly receive a signal the battery can last much longer than

one year.

Q. Can this La Crosse Technology clock be used

outdoors?

A. No. Outdoor use is not recommended for this clock.

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Operating range is 23 to 131 degrees Fahrenheit.

Q. Can this La Crosse Technology clock be wired to

control timing circuits?

A. No. Modifications to the clock will void the warranty.

Q: This movement cannot receive, but other movements

have reception inside same room.

A: Check battery voltage. 1.48-1.7 volts are best for optimum

performance.

A: Check that the clock is not within 6 feet of TV-sets,

monitors, telephone-sets or other items that may cause

interference.

Q: Is there a booster antenna to receive the WWVB

signal in a difficult location?

A. No. Modifications to the clock will void the warranty.

Q: Clock spins continually. It does not stop (more than

4min).

A: Check battery voltage. 1.48-1.7 volts are best for optimum

performance.

Q: Hands stop on 4:00, 8:00 or 12:00 forever.

A: This is normal restart behavior for the clock. The hands will

spin to 4:00, 8:00 or 12:00 and not move until the WWVB

signal is received. This may take up to five nights dependent on

interferences.

Q: Clock receives the WWVB signal, but shows wrong

time.

A: Check if correct Time Zone is selected. Hold the correct

time zone button for 5 seconds and the hands should correct.

A: Check battery voltage. 1.48-1.7 volts are best for optimum

performance.

A: Locate the bronze colored pins in the upper left region of the

movement on the back of the clock. Short across the pins

briefly with a screwdriver or similar metal object and allow the

hands to spin. The hands will stop all pointing at 12 if they are

properly aligned. Allow the clock to receive a signal and set

itself. Then select the correct Time Zone for your area.

Q: Battery was removed and put in again, but the

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movement does not restart and the hands do not spin.

A: Remove the battery and press the Q-Set button 20 times to

discharge electricity. Leave the battery out for 15 minutes.

Install a fresh C LR14 alkaline battery. The hands should sin to

4, 8 or 12 o’clock.

A: Check battery voltage. 1.48-1.7 volts are best for optimum

performance.

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 Alkaline 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.

Care and Maintenance

Do not mix old and new batteries

Do not mix Alkaline, Standard, Lithium or

Rechargeable Batteries

Do not expose to extreme temperature, vibration or shock.

Clean with a soft damp cloth. Do not use solvents.

The product is not a toy. Keep it out of reach of children.

The product is not to be used for medical purpose or for

public information. It is intended for home use only.

The specs of this product may change without prior notice.

Improper use or unauthorized opening of housing voids

warranty.

Warranty and Support Information

La Crosse Technology, Ltd. provides a 1-year limited time

warranty (from date of purchase) on this product relating to

manufacturing defects in materials & workmanship.

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View full warranty details online at:

www.lacrossetechnology.com/warranty_info.pdf

For warranty work, technical support or other

information contact:

La Crosse Technology, Ltd

2830 26th Street S.

La Crosse, WI 54601

Contact Support:

1-608-782-1610

www.lacrossetechnology.com/support

Product Registration:

www.lacrossetechnology.com/support/register

FCC Statement

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) the device must accept any

interference received, including interference that may cause

undesired operation.

NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY

RADIO OR TV INTERFERENCE CAUSED BY UNAUTHORIZED

MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS

COULD VOID THE USER AUTHORITY TO OPERATE THE

EQUIPMENT

any form, even in excerpts, or duplicated or processed using

electronic, mechanical or chemical procedures without written

permission of the publisher. This handbook may contain

mistakes and printing errors. The information in this handbook

is regularly checked and corrections made in the next issue. We

accept no liability for technical mistakes or printing errors, or

their consequences.

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