Metronic 477024
Metronic 477024 FM Alarm Clock Radio User Manual
Model: 477024 | Brand: Metronic
Introduction
Thank you for purchasing the Metronic 477024 FM Alarm Clock Radio. This multi-functional device allows you to wake up to a traditional alarm, your favorite FM radio station, or music from a USB stick. It features a convenient time projection function, adjustable projection angle, and an LED display. The Sleep function allows you to fall asleep to music, while the Snooze function provides extra minutes of sleep.

Figure 1: Metronic 477024 Alarm Clock Radio with time projection feature.
Setup
1. Unpacking and Initial Inspection
Carefully remove all components from the packaging. Verify that all items are present:
- Metronic 477024 Alarm Clock Radio
- Power Adapter
- User Manual (this document)
Inspect the device for any signs of damage. If any components are missing or damaged, contact customer support immediately.
2. Power Connection
Connect the provided power adapter to the DC input port on the back of the alarm clock. Plug the adapter into a standard wall outlet. The LED display will illuminate.

Figure 2: Rear view of the alarm clock, illustrating the power input and volume control.
3. Battery Backup Installation
For time and alarm settings backup during power outages, install two (2) AA LR6 1.5V batteries (not supplied) into the battery compartment located on the bottom of the unit. Ensure correct polarity (+/-) when inserting batteries.
Note: Batteries are for backup only and cannot power the unit for normal operation.
4. Setting the Time
- Press and hold the TIME SET button (or equivalent, typically labeled 'H' for Hour and 'Min' for Minute on the front panel).
- Use the H button to adjust the hour.
- Use the Min button to adjust the minute.
- Release the TIME SET button to confirm.
Operating Instructions
1. Setting Alarms
The device supports dual alarms. To set an alarm:
- Press the ALARM 1 or ALARM 2 button (or equivalent, often labeled 'AL'). The alarm time will flash.
- Use the H and Min buttons to set the desired alarm time.
- Press the ALARM button again to select the alarm source: Buzzer, FM Radio, or USB MP3.
- Confirm by waiting a few seconds or pressing the ALARM button one more time.
To turn off a sounding alarm, press the SNOOZE button for temporary silence (snooze function) or the OFF button to disable it until the next set time.
2. FM Radio Operation
- Press the RADIO ON/OFF button to turn on the FM radio.
- Use the TUNE +/- buttons (or equivalent, often labeled with arrows) to manually tune to a station.
- Press and hold the TUNE +/- buttons for automatic scanning to the next available station.
- Adjust the volume using the VOLUME knob on the side of the unit.

Figure 3: Front panel of the alarm clock, showing the display and control buttons.
3. USB MP3 Playback
Insert a USB stick containing MP3 audio files into the USB port on the front of the unit. The device will automatically detect and begin playing the files. Use the SKIP +/- buttons to navigate between tracks.
4. Time Projection
The integrated projector allows you to display the time on a wall or ceiling. Adjust the projection angle by rotating the projector lens. The focus can be adjusted by turning the focus ring around the lens.

Figure 4: The alarm clock in a typical bedroom setting, demonstrating its compact size and design.
5. Sleep Function
Press the SLEEP button repeatedly to cycle through preset sleep timer durations (e.g., 15, 30, 60, 90 minutes, OFF). The unit will automatically turn off after the selected duration.
6. Snooze Function
When an alarm sounds, press the large SNOOZE button on top of the unit to temporarily silence the alarm for approximately 9 minutes. The alarm will sound again after the snooze period.
Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the surface.
- Storage: If storing the unit for an extended period, remove the backup batteries to prevent leakage. Store in a cool, dry place.
- Battery Replacement: Replace backup batteries annually or when the time display is inconsistent during power outages.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Power adapter not connected or faulty. | Ensure power adapter is securely plugged into the unit and a working wall outlet. Test the outlet with another device. |
| Time/Alarm settings lost after power outage. | Backup batteries are dead or not installed. | Install new AA LR6 batteries or replace existing ones. |
| Poor FM radio reception. | Weak signal or antenna not extended. | Extend the FM antenna fully. Reposition the unit for better reception. |
| USB music not playing. | USB stick not formatted correctly or no MP3 files. | Ensure USB stick is formatted to FAT32 and contains valid MP3 files. Try a different USB stick. |
| Projection is blurry. | Focus not adjusted. | Rotate the focus ring around the projector lens until the time is clear. |
Specifications
| Brand: | Metronic |
| Model Number: | 477024 |
| Color: | Cherry Red |
| Dimensions (L x W x H): | 13 x 3.81 x 11.5 cm (5.12 x 1.5 x 4.53 inches) |
| Weight: | 540 grams (1.19 lbs) |
| Material: | Acrylonitrile Butadiene Styrene (ABS) |
| Power Source: | AC Power Adapter (included), 2 x AA LR6 1.5V Batteries (for backup, not included) |
| Radio Bands: | FM |
| Compatibility: | MP3 Player, USB Stick |
| Special Features: | Radio, Projector Clock, Dual Alarm, Sleep Function, Snooze Function, USB Playback |
Warranty Information
Specific warranty details are typically provided with the product packaging or on the manufacturer's official website. Please refer to the documentation included with your purchase for comprehensive warranty terms and conditions. Keep your proof of purchase for any warranty claims.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Metronic customer support. Visit the official Metronic website for contact information, FAQs, and additional resources.
Note: Contact details may vary by region.
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