Introduction
Thank you for choosing the OSTAR Atomic Wall Clock. This manual provides detailed instructions for setting up, operating, and maintaining your new clock to ensure accurate and reliable timekeeping. This clock is designed to automatically synchronize with the WWVB radio signal for precise time.
Safety Information
- Do not expose the clock to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping the clock or subjecting it to strong impacts.
- Use only the specified battery type (1 AA battery).
- Dispose of used batteries responsibly according to local regulations.
- Keep out of reach of children.
Package Contents
- 1 x OSTAR Atomic Wall Clock (Gold-atomic 11Inch)
- 1 x Instruction Manual
Product Overview
The OSTAR Atomic Wall Clock features an 11-inch round design with a gold-atomic finish. It is equipped with a radio-controlled movement that receives WWVB signals to automatically adjust the time.

Front view of the OSTAR Atomic Wall Clock, showcasing its 11-inch diameter and gold-atomic finish.

Rear view of the OSTAR Atomic Wall Clock, highlighting the battery compartment and control keys for setup.
Setup
- Battery Installation:
Open the battery compartment cover on the back of the clock. Insert one AA battery (not included) into the compartment, ensuring the correct polarity (+/-) is observed. Close the battery compartment cover securely.
- Initial Synchronization:
Once the battery is inserted, the clock hands will automatically move to the 12 o'clock position. The clock will then begin searching for the WWVB radio signal from Fort Collins, Colorado. This process may take several minutes to an hour, depending on your location and signal strength. For best reception, place the clock near a window, away from electronic devices that may cause interference.

Diagram illustrating the control keys and battery compartment on the back of the clock.
- Setting Time Zone:
Locate the "ZONE" switch on the back of the clock. Adjust this switch to your corresponding time zone (P for Pacific, M for Mountain, C for Central, E for Eastern). The clock will automatically adjust to the correct time for your selected zone once the signal is received.

Time zone map for selecting the correct setting on your clock.
- Daylight Saving Time (DST):
The clock has a "DST" switch. Set it to "ON" for automatic Daylight Saving Time adjustments, or "OFF" if your region does not observe DST. The clock will automatically adjust itself when DST begins or ends.
Operating Instructions
Once set up, your OSTAR Atomic Wall Clock operates automatically. It continuously receives the WWVB signal to maintain accurate time. No manual adjustments are typically needed for daily operation or Daylight Saving Time changes if the DST function is enabled.
Manual Time Setting (If needed)
In rare cases, if the clock fails to synchronize or you wish to set the time manually, you can use the "M SET" button on the back of the clock. Press and hold the "M SET" button to advance the hands. Release the button when the hands reach the desired time. The clock will attempt to re-synchronize with the atomic signal later.
Maintenance
- Cleaning: Wipe the clock surface with a soft, dry cloth. Do not use abrasive cleaners or chemicals.
- Battery Replacement: Replace the AA battery annually or when the clock hands stop moving or become erratic.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock not setting to correct time. | Weak or no atomic signal. Incorrect time zone setting. |
|
| Clock hands are stuck or not moving. | Low battery. Hands are obstructed. |
|
| Clock loses time or runs fast/slow. | Interference. Battery issues. |
|
Specifications
- Brand: OSTAR
- Model: Gold-atomic 11Inch
- Display Type: Analog
- Special Feature: Atomic (WWVB Radio Controlled)
- Product Dimensions: 11"W x 11"H
- Power Source: Battery Powered (1 x AA battery required, not included)
- Material: ABS Plastic
- Mounting Type: Wall Mount
- Item Weight: 1.5 Pounds
- Indoor/Outdoor Usage: Indoor
Warranty and Support
For warranty information or technical support, please refer to the documentation included with your product packaging or visit the official OSTAR website. Contact details for customer service are typically provided on the manufacturer's website or in the product's original packaging.
You can visit the OSTAR Store for more information: OSTAR Store