Marathon CL030050-GG-00-NA
Marathon Digital Desktop Clock Instruction Manual
Model: CL030050-GG-00-NA
Brand: Marathon
1. Introduction
The Marathon Digital Desktop Clock is a versatile and user-friendly timepiece designed for convenience and readability. Its compact size makes it suitable for various settings, including desks, nightstands, and travel. This manual provides comprehensive instructions for setting up, operating, and maintaining your clock.

Image 1: Front view of the Marathon Digital Desktop Clock in Graphite Gray, displaying time, date, and temperature.
2. Key Features
- Large, Easy-to-Read Display: Features a high-quality display with enhanced contrast for maximum legibility.
- Button-Activated Backlight: A vibrant blue backlight illuminates the display for approximately 10 seconds, gentle on the eyes.
- Dual Alarm Function: Set separate alarms for weekdays (1-5) and weekends (6-7).
- Convenient Snooze Button: Easily accessible snooze function for additional sleep.
- Multiple Display Modes: Choose between 12 or 24-hour time format, Fahrenheit or Celsius temperature, and display the day of the week in seven languages (English, Dutch, French, Spanish, Italian, Danish, German).
- Compact and Portable: Lightweight design ideal for desktop or travel use.

Image 2: The digital clock positioned on a wooden desk, highlighting its suitability for various environments.
3. Getting Started (Setup)
3.1 Battery Installation
The clock requires 2 AAA batteries (included). To install or replace batteries:
- Locate the battery compartment on the back of the clock.
- Remove the battery compartment cover by sliding it down.
- Insert 2 AAA batteries, ensuring correct polarity (+ and -).
- Replace the battery compartment cover.
3.2 Initial Power-On
Upon battery installation, the clock will power on and display default settings. You will need to set the current time, date, and other preferences.

Image 3: Rear view of the clock, illustrating the location of the MODE, Alarm, Up, Down, and Reset buttons, along with the battery compartment.
4. Operating Instructions
4.1 Setting Time and Date
To set the time, date, and other display options:
- Press and HOLD the MODE button for approximately 3 seconds until the display flashes.
- Use the UP (▲) or DOWN (▼) buttons to adjust the flashing value.
- Press the MODE button again to confirm the setting and move to the next adjustable item.
- The setting sequence is typically: 12/24 Hour Format → Hour → Minute → Year → Month → Day → Language for Day of Week → Temperature Unit (°F/°C).
- Once all settings are adjusted, press the MODE button to exit setting mode.
4.2 Alarm Functions
The clock features a dual alarm system for weekdays and weekends.
- Press the ALARM SET (bell icon) button once to view the weekday alarm time. Press again to view the weekend alarm time.
- To set an alarm: While viewing the desired alarm time, press and HOLD the ALARM SET button until the alarm hour flashes.
- Use the UP (▲) or DOWN (▼) buttons to adjust the hour, then press ALARM SET to move to minutes. Repeat for minutes.
- To activate/deactivate an alarm: While viewing the alarm time, press the UP (▲) button. An alarm icon will appear/disappear on the display.
- When the alarm sounds, press the large SNOOZE/LIGHT button on top to activate snooze (alarm will sound again after 5 minutes) or press any other button to turn off the alarm for 24 hours.
4.3 Backlight Activation
Press the large SNOOZE/LIGHT button on top of the clock to activate the blue backlight. The backlight will remain illuminated for approximately 10 seconds.

Image 4: A detailed view of the clock's dynamic display, showing time, date, day of the week, and temperature.
5. Care and Maintenance
- Cleaning: Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the display dims or functions become erratic. Always replace both batteries at the same time.
- Storage: If storing the clock for an extended period, remove the batteries to prevent leakage.
- Environment: Avoid exposing the clock to extreme temperatures, direct sunlight, or high humidity.
6. Troubleshooting
| Problem | Solution |
|---|---|
| Display is blank or dim. | Check battery polarity. Replace batteries if they are old or depleted. |
| Time or date is incorrect. | Follow the "Setting Time and Date" instructions in Section 4.1 to reset. |
| Alarm does not sound. | Ensure the alarm is activated (alarm icon visible). Verify alarm time is set correctly. |
| Backlight is not working. | Ensure batteries are fresh. Press the SNOOZE/LIGHT button firmly. |
| Clock is unresponsive. | Remove batteries for 1 minute, then reinsert to perform a soft reset. If issues persist, press the RESET button on the back with a pointed object. |
7. Product Specifications
| Specification | Detail |
|---|---|
| Brand | Marathon |
| Model Number | CL030050-GG-00-NA |
| Color | Graphite Grey |
| Display Type | Digital |
| Product Dimensions | 3.7"W x 3.7"H (9.4 cm x 9.4 cm) |
| Power Source | Battery Powered (2 AAA batteries included) |
| Material | Plastic |
| Special Features | Backlight, Dual Alarm, Snooze, Temperature Display, Date Display, Multi-language Day of Week |

Image 5: Dimensional diagram of the clock, indicating its compact size of 3.7 inches by 3.7 inches.
8. Warranty and Support
This Marathon Digital Desktop Clock comes with a 1-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or further assistance, please contact Marathon customer service through their official website or the retailer where the product was purchased. Please retain your proof of purchase for all warranty inquiries.
For more information, visit the official Marathon website: www.marathonwatch.com
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.
