404-3440 - Wall clock LA CROSSE TECHNOLOGY - Free user manual and instructions
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| Product Type | Atomic Wall Clock |
| Brand | La Crosse Technology |
| Model | 404-3440 |
| Display | Analog clock face with Arabic numerals |
| Movement | Radio-controlled quartz movement |
| Power Source | 1 AA (LR6) battery |
| Battery Life | 12-18 months (typical) |
| Synchronization Signal | WWVB (60 kHz) |
| Number of Time Zones | 4 US zones (Pacific, Mountain, Central, Eastern) |
| DST Handling | Automatic with manual override |
| Accuracy | ±1 second after sync |
| Dimensions | 9.5 x 9.5 x 1.4 inches |
| Weight | 1.2 pounds (0.54 kg) |
| Mounting | Wall mount keyhole |
| Operating Temperature | 32°F to 122°F |
| Housing Material | Durable plastic |
| Lens | Scratch-resistant acrylic |
| In the Box | Clock, instruction manual |
| Warranty | 1-year limited warranty |
| Care | Wipe with soft dry cloth |
Frequently Asked Questions - 404-3440 LA CROSSE TECHNOLOGY
How does the atomic time synchronization work?
The clock automatically receives the WWVB time signal from Fort Collins, Colorado. The receiver is most accurate at night, typically around 3:00 AM. The clock adjusts itself to the exact second.
How do I manually set the time if the radio signal is not available?
Press the SET button on the back to enter manual mode. Use the + and - buttons to adjust the hour and minute. The hands will respond sequentially; hold the button for fast advance.
How do I change the battery?
Open the battery compartment on the back, remove the old 1 AA (LR6) battery, insert a new alkaline battery matching the polarity indicators, and close the compartment. The clock will resume synchronization automatically.
Why is my clock not receiving a radio signal?
Radio reception can be blocked by electromagnetic interference from TVs, computers, or power lines. Place the clock away from such devices, and position it near a window facing Colorado (or the transmitter) for best results. Reception is typically stronger at night.
Can I turn off Daylight Saving Time adjustment?
Yes. Hold the DST button for 3 seconds to toggle the DST setting. The DST icon will disappear when disabled. The clock will not change time automatically for daylight saving periods.
What time zones can I select on this clock?
The clock supports US time zones including Pacific, Mountain, Central, and Eastern. You can select your zone by holding the TIME ZONE button and using + or - to cycle. Additional zones can be set manually in the setup menu.
Is the clock silent?
Yes, the quartz movement has a silent sweep, so there is no ticking sound. It is designed for quiet environments like bedrooms and offices.
How should I clean and maintain my wall clock?
Remove the battery first. Clean the surface with a soft, dry microfiber cloth. Do not use water, cleaners, or abrasive materials. Avoid touching the hands; if they are misaligned, consult the manual.
What should I do if the clock displays the wrong time after a battery change?
After inserting a fresh battery, the hands may be in a standby position while the clock searches for the signal. Wait up to 15 minutes for the initial reception attempt. If still wrong, manually set the time and place it near a window overnight.
Is the clock suitable for outdoor use?
No, this wall clock is intended for indoor use only. It is not waterproof. If used outdoors, moisture and temperature extremes can damage the electronics. Place it in a covered indoor area with good air circulation.
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USER MANUAL 404-3440 LA CROSSE TECHNOLOGY
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Product information
Brand : LA CROSSE TECHNOLOGY
Model : 404-3440
Category : Wall clock