Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your MARATHON 15” Round Digital Wall Clock. Designed for clarity and ease of use, this clock features a large, easy-to-read display, multiple display modes, and eight North American time zones. Please read this manual thoroughly to ensure optimal performance and longevity of your device.

Figure 1: Front view of the Marathon 15-inch Round Digital Wall Clock. The large digital display shows the time (12:34 PM), date (July 18, Tuesday), and indoor temperature (73.5°F).
Setup
1. Battery Installation
The clock requires 4 C batteries (included). To install:
- Locate the battery compartment on the back of the clock.
- Open the battery compartment cover.
- Insert 4 C batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
2. Mounting Options
Your Marathon Digital Wall Clock can be easily mounted on a wall or placed on a table using its integrated fold-out stand.
- Wall Mount: Use a suitable screw or hook (not included) in your desired wall location. Align the keyhole slot on the back of the clock with the screw/hook and slide down to secure.
- Tabletop Placement: Extend the fold-out stand located on the back of the clock to prop it up on any flat surface.

Figure 2: Rear view of the clock, highlighting the battery compartment and the three simple control buttons for easy setup.
Operating Instructions
The clock features three simple buttons on the back for setting and mode selection.
1. Time and Date Display Modes
The clock offers multiple display formats:
- Time Format: Toggle between AM/PM (12-hour) or 24-hour format.
- Date Display: View the month, weekday, and date.
- Temperature Display: Show indoor temperature in Celsius (°C) or Fahrenheit (°F) along with relative humidity.
Refer to the Quick Start Guide on the back of the clock or the full manual for specific button presses to cycle through these modes.

Figure 3: The dynamic display of the clock, capable of showing date, day of the week, and temperature in both Celsius and Fahrenheit.
2. Time Zone Selection
This clock supports eight North American time zones. To select your desired time zone:
- Press the "ZONE" button (or equivalent, refer to Quick Start Guide) on the back of the clock.
- Cycle through the available time zones: Pacific, Mountain, Central, Eastern, Atlantic, Newfoundland, Alaska, and Hawaii Standard Time.
- The clock will automatically adjust the time based on the selected zone.
Maintenance
1. Cleaning
To clean the clock, use a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the display or finish.
2. Battery Replacement
When the display dims or the clock stops functioning, it's time to replace the batteries. Follow the battery installation steps in the "Setup" section. Always replace all 4 C batteries at the same time with new ones to ensure consistent performance.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or dead batteries. | Replace all 4 C batteries with new ones. |
| Incorrect time or date. | Incorrect time zone selected or manual setting error. | Verify time zone setting. If necessary, re-enter time and date manually following the Quick Start Guide. |
| Temperature reading is inaccurate. | Clock placed near a heat source or vent. | Relocate the clock to an area with stable ambient temperature. |
Specifications
- Brand: MARATHON
- Model Number: CL030074-SS-00-NA
- Color: Stainless Steel Finish
- Display Type: Digital
- Product Dimensions: 15"W x 15"H
- Power Source: Battery Operated (4 C batteries included)
- Mounting Type: Wall Mount / Tabletop
- Special Features: Date Display, Indoor Temperature, Eight Time Zones (North American)
- Material: Aluminum (Frame: Stainless Steel)
- Item Weight: 2.86 Kilograms (6.29 pounds)
- UPC: 063442321645
Warranty
This product comes with a Limited Warranty. For detailed information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official MARATHON website.
Support
For further assistance, technical support, or to inquire about replacement parts, please contact MARATHON customer service. You can find contact information on the official MARATHON website or through the retailer where you purchased the product.
Visit the official MARATHON Store: MARATHON Store on Amazon





