Introduction
Thank you for choosing the Marathon CL030058SV Compact Digital Alarm Clock. This device is designed for convenience and portability, offering essential features such as time display, alarm with snooze, date, day of the week, and temperature readings. Please read this manual carefully to ensure proper setup and operation.

Image: The Marathon CL030058SV compact digital alarm clock displayed on a bedside table, showing the time, date, and temperature.
Package Contents
- Marathon CL030058SV Compact Digital Alarm Clock
- AAA Batteries (2 included)
- Instruction Manual (this document)

Image: The Marathon CL030058SV compact digital alarm clock shown in its retail packaging, highlighting the product and included batteries.
Product Overview
Familiarize yourself with the clock's features and controls:

Image: A diagram illustrating the key features and dimensions of the Marathon CL030058SV alarm clock, including button locations, display elements, and measurements.
- Display: Large, easy-to-read LCD showing time, date, day, and temperature.
- Top Buttons: Alarm ON/OFF, Snooze/Light.
- Side/Rear Buttons: Set, Up, Down, 12/24hr, °C/°F, Language.
- Backlight: Super illumination cool blue backlight, button activated.
Setup
1. Battery Installation
- Locate the battery compartment cover on the back of the clock.
- Remove the cover by sliding it down or lifting it off.
- Insert two (2) AAA batteries, ensuring correct polarity (+ and -).
- Replace the battery compartment cover.
The clock will power on automatically once batteries are installed.
2. Initial Settings (Time, Date, Language, Temperature Unit)
Upon first power-on or after battery replacement, you may need to set the time, date, and preferences.
- Set Time:
- Press and hold the SET button (usually on the back or side) until the hour digits flash.
- Use the UP or DOWN buttons to adjust the hour.
- Press SET again to move to minutes, then adjust with UP or DOWN.
- Continue pressing SET to cycle through year, month, and date settings, adjusting each with UP or DOWN.
- 12/24 Hour Format: Press the 12/24HR button to switch between 12-hour (with AM/PM indicator) and 24-hour formats.
- Temperature Unit: Press the °C/°F button to toggle between Celsius and Fahrenheit.
- Language Setting: Press the LANGUAGE button repeatedly to cycle through the 7 available languages (English, Danish, Dutch, French, German, Italian, Spanish) for the day display.
Operating Instructions
Setting the Alarm
- Press and hold the top red ALARM button for 3 seconds. The alarm time digits will flash.
- Use the UP or DOWN buttons to adjust the alarm hour.
- Press the ALARM button again to move to alarm minutes, then adjust with UP or DOWN.
- Press the ALARM button once more to confirm and exit alarm setting mode.
Activating/Deactivating the Alarm
- To activate the alarm, press the top red ALARM button briefly. An alarm icon will appear on the display.
- To deactivate the alarm, press the top red ALARM button briefly again. The alarm icon will disappear.
Snooze Function
- When the alarm sounds, press the top SNOOZE/LIGHT button. The alarm will pause and sound again after a few minutes (typically 5-10 minutes).
- To stop the alarm completely, press any other button on the clock, or let it ring for its full duration.
Backlight
- Press the top SNOOZE/LIGHT button to activate the cool blue backlight.
- The backlight will remain illuminated for approximately 5 seconds, providing temporary visibility in low-light conditions.
Maintenance
Cleaning
- Wipe the clock with a soft, dry cloth.
- Do not use abrasive cleaners or chemical solvents, as these may damage the display or casing.
Battery Replacement
- When the display becomes dim or the clock functions erratically, it is time to replace the batteries.
- Follow the battery installation steps outlined in the "Setup" section.
- Always replace both AAA batteries at the same time with new ones.
- Dispose of old batteries responsibly according to local regulations.
Troubleshooting
- Display is blank or dim:
Check if the batteries are inserted correctly with the correct polarity. Replace with fresh AAA batteries if necessary.
- Alarm does not sound:
Ensure the alarm is activated (alarm icon visible on display). Verify the alarm time is set correctly.
- Incorrect time/date:
Re-enter the time and date settings as described in the "Setup" section. Ensure the 12/24HR format is set as desired.
- Temperature reading seems inaccurate:
Ensure the clock is not placed in direct sunlight or near heat sources/vents, which can affect temperature readings. Verify the °C/°F setting is correct.
Specifications
- Model: CL030058SV
- Dimensions (L x W x H): 3.1 x 1 x 3 inches (7.9 x 2.7 x 7.8 cm)
- Material: Plastic
- Power Source: 2 x AAA Batteries (included)
- Display Type: Digital LCD
- Features: 12/24hr display, Calendar (month, date, day), Temperature (°C or °F), Repeating Snooze, Backlight, 7 Language Day Display
- Languages: English, Danish, Dutch, French, German, Italian, Spanish
Warranty and Support
Marathon products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or visit the official Marathon website. If you encounter any issues not covered in this manual, please contact Marathon customer support for assistance.
Please retain this manual for future reference.







