Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Welgo C20 Dual Alarm Clock Radio. Please read this manual thoroughly before using the device to ensure proper function and to maximize your user experience.

Image: Front view of the Welgo C20 Dual Alarm Clock Radio, displaying the time and day.
Package Contents
- 1x Welgo C20 Digital Alarm Clock Radio
- 1x Power Adapter
- 1x User Manual (this document)
Setup
1. Power Connection
The Welgo C20 operates primarily via AC power. Connect the provided power adapter to the DC IN port on the back of the clock radio and then plug it into a standard wall outlet.
2. Battery Backup (Optional)
For backup power during outages, insert 3 AAA batteries (not included) into the battery compartment on the bottom of the unit. These batteries are for backup only and will not power the device for daily operation due to higher consumption.

Image: Illustration showing the AC power adapter connected to the clock radio and the battery compartment for backup power.
3. FM Antenna
Extend the integrated FM antenna for optimal radio reception. Adjust its position to improve signal clarity if needed.
Operating Instructions
1. Setting the Time
- Press and hold the TIME SET button. The hour display will flash.
- Use the HOUR and MINUTE buttons to adjust the time.
- Press TIME SET again to confirm.
2. Setting Alarms (Alarm 1 & Alarm 2)
The Welgo C20 features dual alarms, each configurable for daily, weekday, or weekend operation.
- Press and hold the ALARM 1 or ALARM 2 button. The alarm hour display will flash.
- Use the HOUR and MINUTE buttons to set the desired alarm time.
- Press the respective ALARM button again to select the alarm mode:
- MON-SUN (All 7 days)
- MON-FRI (Weekdays only)
- SAT-SUN (Weekends only)
- Press the ALARM button again to select the wake-up sound. Choose from 7 options: 4 gentle sounds (flute, bird, piano, forest), 2 traditional sounds (beep, bell), or FM radio.
- Press the ALARM button one more time to confirm and exit alarm setting.

Image: The Welgo C20 clock radio displayed on a nightstand, highlighting its dual alarm capabilities with daily, weekday, and weekend selection options.

Image: Visual representation of the various wake-up sound options available on the Welgo C20, including FM radio and several nature-inspired tones.
3. Snooze Function
When an alarm sounds, press the large SNOOZE button on top of the unit to temporarily silence the alarm for 9 minutes. You can snooze up to 7 times.
4. FM Radio Operation
- Press the FM button to turn on the radio.
- Press the SCAN button to auto-scan and save available FM stations (87.5-108MHz). The clock radio can save up to 40 stations.
- Use the PREV/NEXT buttons to cycle through saved stations.
- Adjust the volume using the VOLUME +/- buttons (30 levels).
- Press the FM button again to turn off the radio.

Image: The Welgo C20 clock radio positioned on a desk, demonstrating its small size and digital FM radio capabilities including auto-search and sleep timer.
5. Sleep Timer
While the FM radio is playing, press the SLEEP button repeatedly to set the sleep timer duration (5, 10, 15, 30, 60, 90, 120, 180 minutes). The radio will automatically turn off after the selected time.
6. Display Dimmer
The 2.6-inch LED display brightness can be adjusted from 0% to 100%. Use the DIMMER control located on the back of the unit to set your preferred brightness level.

Image: The Welgo C20 clock radio on a nightstand, illustrating the 0-100% dimmable display feature for comfortable viewing day and night.
Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Battery Replacement: If using battery backup, replace AAA batteries annually or when the clock loses time during power outages.
- Storage: If storing the unit for an extended period, remove the backup batteries.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Clock display is off or flickering. | Power adapter not connected properly; power outage. | Ensure power adapter is securely plugged in. Check power outlet. If using battery backup, ensure batteries are fresh. |
| Alarm does not sound. | Alarm not set; alarm volume too low; incorrect alarm mode (weekday/weekend). | Verify alarm time and mode. Increase alarm volume. Ensure alarm is activated. |
| Poor FM radio reception. | Antenna not extended or positioned correctly; weak signal area. | Fully extend and adjust the position of the FM antenna. Try auto-scanning again. |
| Buttons are unresponsive. | Temporary software glitch. | Unplug the power adapter for a few seconds, then plug it back in to reset the unit. |
Specifications
- Model: C20
- Brand: Welgo
- Display Type: Digital LED (2.6 inches)
- Dimmer: 0-100% adjustable
- Power Source: Corded Electric (AC adapter included)
- Battery Backup: 3x AAA batteries (not included)
- FM Radio Frequency: 87.5-108 MHz
- Alarm Sounds: 7 options (4 gentle, 2 traditional, FM radio)
- Alarm Modes: Daily (Mon-Sun), Weekday (Mon-Fri), Weekend (Sat-Sun)
- Snooze Duration: 9 minutes (up to 7 times)
- Sleep Timer: 5-180 minutes
- Volume Levels: 30 levels for radio/alarm
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Product Dimensions: 11.51 x 6.1 x 6.6 cm (approx. 4.5 x 2.4 x 2.6 inches)
- Weight: 214.89 g (approx. 0.47 lbs)

Image: An internal view of the Welgo C20, highlighting its compact design and speaker components for sound output.
Warranty Information
The Welgo C20 Dual Alarm Clock Radio comes with a limited manufacturer's warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your purchase or contact Welgo customer support.
Customer Support
Should you encounter any issues or have questions not covered in this manual, please contact Welgo customer support for assistance.
- Website: www.welgo.com (Note: This is a placeholder URL as no official support link was provided.)
- Email: support@welgo.com (Note: This is a placeholder email as no official support email was provided.)





