La Crosse Technology offers innovative weather and time products, including atomic clocks known for accuracy. Setting up these clocks is straightforward, often involving battery installation and app pairing.
Many resources, like step-by-step videos, are available to guide users through the initial setup of models such as the 512-85937 and WS-8117U-IT.
The company welcomes new customers and provides access to product manuals online, ensuring a smooth experience with their atomic clock technology.

What are La Crosse Technology Clocks?
La Crosse Technology clocks are renowned for their precision and reliability, particularly their atomic clocks which automatically synchronize with a time server. These clocks range from simple digital wall clocks, like the 512-85937, to more advanced models with weather forecasting capabilities, such as the WS-8117U-IT.
They are designed for ease of use, with setup often involving just a few simple steps – installing batteries, allowing for atomic signal reception, and potentially pairing with the La Crosse View app. The company provides comprehensive support, including detailed instruction manuals and helpful video tutorials, to ensure a seamless user experience.
These clocks aren’t just timekeeping devices; they often incorporate features like temperature and humidity displays, enhancing their functionality. La Crosse Technology aims to deliver accurate and user-friendly products for everyday life.
Why Choose an Atomic Clock?
Atomic clocks, like those offered by La Crosse Technology, provide unparalleled accuracy by synchronizing with the National Institute of Standards and Technology (NIST) atomic clock. This eliminates the need for manual time adjustments, especially during Daylight Saving Time transitions.
Unlike traditional clocks that drift over time, atomic clocks maintain exceptional precision, ensuring you always have the correct time. Setting up an atomic clock is often simplified through automatic synchronization, though manual settings are also available.
The La Crosse View app further enhances this convenience, allowing for remote monitoring and control. Choosing an atomic clock guarantees reliability and frees you from the hassle of constant time corrections.

Unboxing and Initial Setup
Begin by carefully unpacking your La Crosse Technology clock. Install fresh AA batteries, observing correct polarity, and secure the battery cover for operation.
Package Contents
Upon opening your La Crosse Technology clock package, you should find several key components. Primarily, the package includes the atomic digital wall clock itself, designed for easy mounting or tabletop placement. Crucially, batteries are not always included, so ensure you have fresh AA batteries readily available for initial setup.
Additionally, you’ll receive a concise instruction manual – a vital resource for understanding the clock’s features and functions. Some models, like the WS-8117U-IT, may include additional sensors for temperature or humidity monitoring, if purchased as part of a set.
Finally, verify the presence of any mounting hardware, such as screws or wall anchors, if you intend to mount the clock. Carefully check all items against the included packing list to confirm everything is present before proceeding with the setup process.
Installing Batteries
To begin operation, locate the battery compartment on the back of your La Crosse Technology clock. Typically, this is accessed by a sliding cover. The clock requires two fresh AA batteries for power; ensure you use new batteries for optimal performance.
Carefully insert the batteries, strictly adhering to the polarity markings (+ and -) indicated inside the compartment. Incorrect battery installation will prevent the clock from functioning correctly. Once the batteries are securely in place, replace the battery compartment cover, ensuring it clicks or slides firmly shut.
After battery installation, the clock’s display should illuminate, potentially showing a welcome message or initiating the time synchronization process. A blue LED light may briefly activate, confirming power is supplied.
Initial Clock Display
Upon successful battery installation, the La Crosse Technology clock’s display will activate. Initially, the screen may show a series of dashes or a default time, indicating the clock is searching for an atomic signal. This is a normal part of the startup process, especially for atomic clocks.
The display will typically show the time, date, and potentially temperature or humidity readings, depending on the model. Some clocks feature a backlight that activates briefly or upon pressing a button. The initial display might also include icons indicating signal reception status.
Allow the clock several minutes to synchronize with the atomic time server. During this period, the display may fluctuate before settling on the correct time. Refer to the manual for specific display indicators.

Setting Up Your La Crosse Clock
Setting up your La Crosse clock involves automatic time synchronization via the atomic clock feature, or manual adjustments for time, date, and year settings.
Automatic Time Synchronization (Atomic Clock Feature)
La Crosse Technology atomic clocks automatically synchronize with the official time source in Fort Collins, Colorado. This ensures exceptional accuracy without manual intervention. Upon initial power-up, the clock will begin searching for the atomic signal.
The process can take several minutes, even up to 24 hours, depending on location and signal strength. A successful signal reception is typically indicated by an atomic clock icon appearing on the display.
During the search, the clock may display a flashing antenna or signal icon. Ensure the clock is placed away from potential sources of interference, like large metal objects or electronic devices.
Once synchronized, the clock will automatically adjust for daylight saving time, maintaining precise timekeeping year-round. If the signal is lost, the clock will continue to run on its quartz crystal, but will attempt to re-synchronize periodically.
Manual Time Setting
La Crosse Technology clocks offer a manual time setting option if the atomic signal is unavailable or synchronization fails. Typically, this involves pressing and holding a designated “Set” or “Mode” button. This initiates the manual adjustment process.
Use other buttons, often labeled “Hour” and “Minute,” to increment the time to the correct value. Some models may require cycling through different settings using the “Mode” button.
Refer to your specific model’s manual for the exact button sequence, as it can vary. Be mindful of AM/PM settings during adjustment.
While manual setting provides immediate control, remember that the clock will continue to attempt automatic synchronization when possible, potentially overriding your manual adjustments. Manual settings are useful for temporary adjustments or in areas with consistently weak atomic signals.
Setting the Date
La Crosse Technology clocks often require date setting after initial setup or battery changes. Similar to time setting, this usually involves accessing the settings menu by pressing and holding a “Set” or “Mode” button.
Once in the date setting mode, use the “Hour” or “Minute” buttons (or similarly labeled buttons) to adjust the month and day. The clock may cycle through month, day, and year settings with each press of the “Mode” button.
Ensure the correct date format (MM/DD/YYYY or DD/MM/YYYY) is selected, as this can vary by model.
Consult your clock’s manual for the precise button sequence. Accurate date setting is crucial for calendar functions and proper display of weekday information. Remember that atomic synchronization typically doesn’t include date adjustments, so manual setting is often necessary.
Setting the Year
La Crosse Technology clocks require accurate year settings for correct date calculations and calendar functionality. After setting the month and day, the clock’s settings menu will typically advance to the year adjustment stage.
Utilize the “Hour” or “Minute” buttons – or their equivalent on your specific model – to increment or decrement the year. Pressing and holding these buttons often allows for faster year adjustments.
Double-check the displayed year to ensure it’s correct, as an incorrect year will affect all future date displays.
Refer to your clock’s instruction manual for the exact button sequence and menu navigation. Confirm the year setting before exiting the settings menu to avoid errors. Remember, atomic clock synchronization doesn’t automatically set the year; manual input is usually needed.

Understanding Clock Functions
La Crosse Technology clocks feature wave reception for atomic time, backlight controls for visibility, and often display temperature and humidity readings for comprehensive information.
Wave Reception Signal
Atomic clocks from La Crosse Technology synchronize with a radio signal transmitted by the National Institute of Standards and Technology (NIST). This signal carries incredibly precise time data, ensuring your clock remains accurate without manual adjustments.
The wave reception process can take several minutes, especially during initial setup or after relocation. A strong signal is crucial; therefore, position your clock away from potential interference sources like large metal objects or electronic devices.
During reception, the clock will typically display a waving antenna icon. If the signal is weak or unavailable, the icon may flash or disappear. Consistent signal reception guarantees the clock’s atomic timekeeping functionality. Patience is key during the synchronization process, allowing the clock to establish a reliable connection.
Backlight Functionality
La Crosse Technology clocks often feature a backlight for enhanced visibility in low-light conditions. Typically, a dedicated button activates this feature, illuminating the display for easy time reading during the night or in dimly lit rooms.
The backlight duration can vary between models; some offer a short, momentary illumination with each button press, while others provide a sustained glow for a pre-set period. Certain clocks allow customization of the backlight’s brightness level, catering to individual preferences.
The blue LED light mentioned in setup instructions indicates the backlight is functioning. Conserving battery life is a consideration; prolonged backlight use will naturally reduce battery longevity. Refer to your specific model’s manual for detailed backlight control options.
Temperature Display (If Applicable)
La Crosse Technology clocks with temperature display functionality offer convenient indoor temperature readings. These models utilize built-in sensors to measure and present the current temperature, typically in Fahrenheit or Celsius – a user-selectable preference.
Accuracy can be influenced by the clock’s placement; avoid direct sunlight or proximity to heat sources for optimal readings. Some advanced models support external sensors, enabling remote temperature monitoring in different locations.
The display will show the current temperature, and certain clocks may also record high and low temperature values over a period. Regularly checking the manual ensures correct interpretation of temperature readings and available features specific to your clock model.
Humidity Display (If Applicable)
La Crosse Technology clocks featuring a humidity display provide insights into indoor air moisture levels, typically presented as a percentage. This feature is valuable for maintaining comfortable living conditions and monitoring potential issues like mold growth.
Like temperature readings, humidity accuracy depends on proper clock placement, avoiding damp areas or direct ventilation. Some models allow switching between Fahrenheit and Celsius for temperature, but humidity is consistently displayed as a percentage.
Advanced clocks may record high and low humidity levels. Refer to your specific model’s manual for detailed information on interpreting humidity readings and understanding any associated alerts or features.

Using the La Crosse View App
The La Crosse View app simplifies clock setup and offers expanded functionality. Download it, pair your clock, and explore features for customized settings and data viewing.
Downloading and Installing the App
To begin utilizing the full potential of your La Crosse Technology clock, downloading and installing the “La Crosse View” app is a crucial first step. This application serves as a central hub for managing and customizing your clock’s settings.
The app is readily available for both iOS and Android devices. You can find it by searching “La Crosse View” in the Apple App Store or the Google Play Store. Once located, simply tap the “Install” button to begin the download process.
After the download completes, the app will automatically install on your device. A La Crosse View icon will then appear on your home screen or within your app drawer. Tap this icon to launch the app and initiate the setup process, preparing you to pair your clock and access its advanced features.
Pairing the Clock with the App
Once the La Crosse View app is installed and launched, the next step is to pair your atomic clock. The app will guide you through a straightforward pairing process, typically initiated by selecting “Add Device” or a similar option within the app’s interface.
Ensure your clock is powered on and in close proximity to your smartphone or tablet during pairing. The app may prompt you to press a specific button on the clock to activate pairing mode – often a “Set” or “Sync” button.
The app will then search for available devices. Select your clock from the list when it appears. Follow any on-screen instructions to complete the pairing process, which may involve entering a code displayed on the clock’s screen.
App Features and Settings
The La Crosse View app unlocks a range of features beyond basic time synchronization. Users can remotely monitor temperature and humidity readings (if the clock model supports these sensors), view historical data in graphical formats, and customize clock display settings.
Within the app’s settings, you can adjust time zone information, configure alert notifications for specific temperature or humidity thresholds, and manage multiple La Crosse Technology devices from a single interface.
The app also allows for firmware updates, ensuring your clock has the latest features and bug fixes. Explore the app’s intuitive menus to personalize your experience and maximize the functionality of your La Crosse atomic clock.

Troubleshooting Common Issues
Common problems include signal reception difficulties, incorrect time displays, and display malfunctions. Checking battery levels and ensuring proper placement can often resolve these issues quickly.
Consult the manual or support for more complex troubleshooting steps.
Clock Not Receiving Signal
If your La Crosse Technology clock isn’t receiving the atomic time signal, several factors could be at play. First, ensure the clock has a clear, unobstructed view of the open sky. Buildings, trees, and even thick walls can interfere with the radio signal.
Try relocating the clock to a different location, ideally near a window. Also, confirm that the clock is set to the correct time zone. Sometimes, an incorrect time zone setting can prevent successful signal reception.
Ensure fresh batteries are installed, as low battery power can also hinder signal acquisition. The signal reception icon will typically flash, indicating it’s searching; allow ample time for synchronization, especially after initial setup or relocation. If problems persist, consult the product manual for specific troubleshooting steps related to your model.
Incorrect Time Display
An incorrect time display on your La Crosse Technology clock usually indicates a problem with the atomic signal reception or manual time settings. If the clock isn’t automatically synchronizing, verify it’s within range of the atomic clock signal and free from obstructions.
If the signal is weak or unavailable, you may need to manually set the time. Refer to the instruction manual for guidance on accessing the manual time setting mode. Double-check the date and year are correctly entered, as these impact accurate timekeeping.
Ensure Daylight Saving Time settings are appropriate for your location. If issues continue, try resetting the clock to factory defaults and re-attempting the automatic time synchronization process.
Display Issues
Experiencing display problems with your La Crosse Technology clock can range from dimness to complete failure. First, check the backlight functionality; ensure it’s activated if desired, and the brightness level is appropriately adjusted. If the display is completely blank, verify the batteries are fresh and correctly installed, paying attention to polarity.

A flickering or distorted display might indicate low battery power or a potential issue with the clock’s internal components. Try replacing the batteries with a new set. If the problem persists, consult the product manual for troubleshooting steps specific to your model.
Contacting La Crosse Technology support may be necessary for more complex display malfunctions.
Battery Life and Replacement
La Crosse Technology clocks typically require AA batteries for operation, and battery life varies depending on the model and usage. Expect to replace batteries every 6-12 months, though continuous backlight use will shorten this duration. A low battery indicator will usually appear on the display, signaling the need for replacement.
Always use fresh, high-quality alkaline batteries for optimal performance. When replacing batteries, ensure correct polarity (+ and -) as indicated in the battery compartment. Removing batteries for extended periods may necessitate re-establishing the time and date settings.
Proper battery maintenance ensures consistent and accurate timekeeping from your atomic clock.

Advanced Features & Models
La Crosse Technology offers clocks with multi-sensor capabilities and diverse models like 512-85937, 513-1417V6, and WS-8117U-IT, expanding functionality.
Multi-Sensor Capabilities
La Crosse Technology clocks often extend beyond basic timekeeping with impressive multi-sensor functionality. Certain models support external sensors to monitor a wider range of environmental conditions beyond what the clock itself can detect.
These sensors can transmit data wirelessly, providing readings for temperature and humidity in various locations around your home or property. This is particularly useful for monitoring conditions in gardens, nurseries, or different rooms with varying climates.
The clock displays this information, giving you a comprehensive overview of your environment. Setup typically involves pairing the sensors with the main clock unit, a process often detailed in the product manual or accompanying setup videos. The WS-8117U-IT model specifically highlights this capability.
Having multiple sensors allows for a more accurate and detailed understanding of your surroundings.
Different La Crosse Clock Models (512-85937, 513-1417V6, WS-8117U-IT)
La Crosse Technology offers a diverse range of atomic clocks, each with unique features. The 512-85937 is a popular atomic digital wall clock, often covered in setup guides focusing on battery installation and initial time synchronization.
The 513-1417V6 model also receives dedicated video tutorials demonstrating step-by-step setup procedures, emphasizing ease of use. Both models benefit from the automatic time synchronization provided by atomic clock technology.
The WS-8117U-IT stands out with its multi-sensor capabilities, requiring specific setup for external sensors to monitor temperature and humidity. Online resources and product manuals provide detailed instructions for each model.
Understanding the specific model number is crucial for accessing the correct setup information and maximizing your clock’s functionality.

Accessing the Product Manual
La Crosse Technology provides convenient access to product manuals online. These resources offer detailed instructions and troubleshooting tips for your atomic clock.
For further assistance, you can directly contact La Crosse Technology support for personalized guidance and support.
Online Manual Availability
La Crosse Technology prioritizes user support by making comprehensive product manuals readily available online. This digital accessibility ensures that owners can quickly find detailed instructions, troubleshooting guides, and helpful information regarding their specific clock model.
Typically, a direct link to the manual is provided on the product page of the La Crosse Technology website. Users can easily download the manual in a PDF format, allowing for offline viewing and convenient printing. These manuals cover everything from initial setup, including battery installation and time synchronization, to understanding advanced features and resolving common issues.
The online manuals are regularly updated to reflect any software or firmware changes, ensuring that users have the most current and accurate information at their fingertips. This commitment to providing accessible documentation empowers customers to maximize the functionality and enjoyment of their La Crosse Technology clocks.
Contacting La Crosse Technology Support
La Crosse Technology offers multiple avenues for customers seeking assistance with their atomic clocks. While the online manuals provide extensive self-help resources, direct support is also readily available for more complex issues or personalized guidance.
Customers can typically find contact information, including email addresses and phone numbers, on the La Crosse Technology website’s support section. Many users report positive experiences with their responsive and knowledgeable support team. When reaching out, having your clock’s model number readily available will expedite the support process.
Furthermore, La Crosse Technology actively engages with its customer base through online platforms, often responding to questions and concerns posted on their social media channels. This multi-faceted approach to customer support demonstrates their commitment to ensuring a positive user experience.