La Crosse Technology Atomic Analog Wall Clock (Model 404-50447) Instruction Manual

Introduction

This manual provides instructions for the setup, operation, and maintenance of your La Crosse Technology 12.8-inch Atomic Analog Wall Clock, Model 404-50447. This clock features atomic time synchronization and automatic Daylight Saving Time adjustments for accurate timekeeping.

Package Contents

La Crosse Technology 12.8" Atomic Analog Wall Clock (Model 404-50447)
Instruction Manual

Note: One AA alkaline battery is required for operation and is not included.

Setup

1. Battery Installation

Remove the battery cover on the back of the clock.
Insert one fresh AA, LR6 1.5 volt ALKALINE battery according to the polarity markings (+ and -) inside the battery compartment.
Replace the battery cover.

Back of the La Crosse Technology Atomic Analog Wall Clock showing the battery compartment and setting switches.

Image: Rear view of the clock, highlighting the battery compartment and setting switches.

2. Time Zone and Daylight Saving Time Selection

On the back of the clock, locate the switches for Time Zone and Daylight Saving Time (DST).

Time Zone: Select your appropriate US time zone (EST, CST, MST, or PST).
Daylight Saving Time (DST): Set the switch to ON for automatic DST adjustments or OFF to disable this feature.

3. Initial Time Synchronization

After installing the battery and setting the switches, the clock hands will move to the 12:00 position and begin searching for the WWVB atomic time signal from Fort Collins, Colorado. This process can take some time.

Position the clock on an exterior wall, ideally facing Fort Collins, Colorado, or near a window for optimal signal reception.
Keep the clock at least six feet away from electronic devices such as computers, TVs, air conditioners, other atomic clocks and other electrical appliances that cause interference.
Do not attempt to manually reset the hands during the synchronization process. The clock will automatically adjust to the correct time once the signal is decoded. This may take up to 5 nights.

Front view of the La Crosse Technology Atomic Analog Wall Clock showing the clock face with hands at 10:10.

Image: Front view of the La Crosse Technology Atomic Analog Wall Clock, displaying its analog face and hands.

Operation

Your La Crosse Technology Atomic Analog Wall Clock is designed for automatic, precise timekeeping.

Atomic Time: The clock automatically sets itself to the exact time via a radio signal and updates regularly to maintain accuracy.
Daylight Saving Time: If the DST switch is set to ON, the clock will automatically adjust for Daylight Saving Time changes in spring and fall.
Manual Setting: While the clock is designed for atomic synchronization, it can be manually set if necessary, though this is not recommended for long-term accuracy. To manually set, press the "SET" button on the back of the clock repeatedly to advance the hands.

Maintenance

Battery Replacement

When the clock hands stop moving or the time becomes inaccurate, it is time to replace the battery. Follow the battery installation steps in the Setup section, ensuring to use a fresh AA alkaline battery.

Cleaning

To clean the clock, use a soft, dry cloth. Avoid abrasive cleaners or chemicals that may damage the wood frame or glass lens.

Troubleshooting

Time is Incorrect or Not Setting

If the clock displays incorrect time or fails to synchronize, consider the following:

WWVB Signal Interference: Electrical storms or large structures between your location and Fort Collins, Colorado, can interfere with the atomic signal.
Battery Check: Replace the battery with a fresh AA alkaline battery. Perform a factory restart by removing the battery for 15 minutes, then pressing the "SET" button at least 20 times to clear memory before reinserting the new battery.
Repositioning: Try moving the clock to a different location, ideally near a window, with the front or back facing Fort Collins, Colorado. Ensure it is away from other electronic devices that may cause interference.
Synchronization Time: Allow up to 5 nights for the clock to receive and decode the WWVB signal and set itself accurately.

Specifications

Brand	La Crosse Technology
Model Number	404-50447-INT
Display Type	Analog
Operation Mode	Atomic
Product Dimensions	12.8"W x 12.8"H
Material	Pine Wood
Color	Off-white dial, Walnut stained frame
Power Source	Battery Powered (1 AA alkaline battery, not included)
Special Features	Atomic Time, Multiple Time Zone Selection, Automatic Daylight Saving Time Adjustment
Indoor/Outdoor Usage	Indoor
Item Weight	2 Pounds

Warranty & Support

Warranty Information

This product comes with a 1-year limited warranty from the date of purchase. For detailed warranty terms and conditions, please refer to the official La Crosse Technology website or contact customer support.

Customer Support

La Crosse Technology offers unmatched support, resources, and video tutorials backed by a USA-based support team. For assistance, please visit the official La Crosse Technology website or contact their customer service department.

Online Resources: www.lacrossetechnology.com

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La Crosse Technology 404-50447