Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Thomson CP284 Radio Alarm Clock. Please read this manual thoroughly before using the device to ensure proper function and safety. Keep this manual for future reference.
Safety Information
- Do not expose the device to rain, moisture, or excessive humidity.
- Do not disassemble the device. Refer all servicing to qualified personnel.
- Ensure proper ventilation around the unit to prevent overheating.
- Use only the specified power adapter provided with the unit.
- Keep the device away from direct sunlight, heat sources, and open flames.
- Avoid placing the unit on unstable surfaces.
Package Contents
- Thomson CP284 Radio Alarm Clock Unit
- Power Adapter
- User Manual (this document)
Product Overview
Familiarize yourself with the components and controls of your Thomson CP284 Radio Alarm Clock.

Image 1: Front view of the Thomson CP284 Radio Alarm Clock. The image shows the main display indicating the current time (10:55), FM radio frequency (105.5), and two alarm settings (7:15 and 8:30). The left side features a speaker grille, and the top surface has the 'THOMSON' logo. The overall design is sleek and black.
Key Components and Controls
- Main Display: Shows current time, radio frequency, and alarm settings with adjustable brightness.
- Projector Lens: Located on the side, projects the time onto a wall or ceiling.
- Speaker Grille: For audio output from the radio or alarm sounds.
- Top Panel Buttons: Includes controls for time setting (Hour, Minute), display brightness (Preset), alarm setup (Alarm 1, Alarm 2), radio memory (Memory), sleep timer/radio on/off (Sleep), and alarm snooze (Snooze).
- Volume Buttons: Typically located on the side, near the speaker, for adjusting audio volume.
- Projector Controls: Buttons or dials for turning the projector on/off, rotating the projected image, and adjusting focus.
- Battery Compartment: Located on the bottom for backup battery (CR2032).
Setup
- Power Connection: Connect the provided power adapter to the DC input jack on the back of the unit and then to a standard wall outlet. The display will light up.
- Battery Backup (Optional): For time and alarm settings retention during power outages, insert a CR2032 button cell battery (not included) into the battery compartment on the bottom of the unit. Ensure correct polarity.
- Setting Current Time:
- Press and hold the Time/Hour button to set the hour.
- Press the Minute button to set the minute.
- Release the buttons to confirm the time setting.
- Adjusting Display Brightness: Press the Preset button repeatedly to cycle through different display brightness levels to suit your preference.
Operating Instructions
Radio Operation (FM)
- Turn On/Off: Press the Sleep button briefly to turn the radio on or off.
- Tune Stations: Use the << and >> buttons (often shared with Time/Hour and Minute buttons) to manually tune to a desired FM frequency.
- Auto Scan and Store Presets: Press and hold the Memory button to automatically scan for and store available FM stations.
- Recall Presets: Press the Memory button briefly to cycle through your stored radio stations.
- Volume Control: Adjust the volume using the dedicated volume buttons, typically located on the side of the unit.
Alarm Settings
The Thomson CP284 features two independent alarms (Alarm 1 and Alarm 2).
- Set Alarm Time: Press and hold either the Alarm 1 or Alarm 2 button. The alarm time will flash on the display. Use the Time/Hour and Minute buttons to set the desired alarm time. Release the alarm button to confirm.
- Select Alarm Source: After setting the time, press the Alarm 1 or Alarm 2 button repeatedly to cycle through the available alarm sound options: Buzzer, Radio, or Nature Sounds (e.g., waves, birds).
- Activate/Deactivate Alarm: Press the Alarm 1 or Alarm 2 button briefly to activate or deactivate the alarm. A corresponding alarm icon will appear or disappear on the display.
- Snooze Function: When the alarm sounds, press the Snooze button to temporarily silence it. The alarm will sound again after a few minutes (default snooze time).
- Stop Alarm: To turn off the alarm completely, press the corresponding Alarm 1 or Alarm 2 button, or the Sleep button.
Time Projection
- Activate Projector: Locate the projector button (often on the side or back of the unit) to turn the time projection on or off.
- Rotate Projection: Use the rotation control (often a dial or button near the projector lens) to adjust the orientation of the projected time (e.g., 360-degree rotation) to display it correctly on your desired surface.
- Focus Adjustment: If available, use the focus ring around the projector lens to sharpen the projected image for clarity.
Sleep Timer
The sleep timer allows the radio to play for a set duration before automatically turning off, helping you fall asleep to music or news.
- Set Sleep Timer: While the radio is playing, press the Sleep button repeatedly to cycle through available sleep timer durations (e.g., 90, 60, 30, 15 minutes, OFF). The radio will automatically turn off after the selected time.
Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the finish.
- Battery Replacement: If using the backup battery, replace it annually or when the time settings are no longer retained during power outages. Open the battery compartment, remove the old CR2032 battery, and insert a new one with the correct polarity.
- Storage: If storing the unit for an extended period, disconnect it from the power outlet and remove the backup battery to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Power adapter not connected or faulty power outlet. | Ensure the power adapter is securely connected to both the unit and a functional wall outlet. Try a different outlet. |
| Alarm does not sound. | Alarm not activated, volume too low, or incorrect alarm source selected. | Verify the alarm is activated (alarm icon visible on display). Check the volume level. Ensure the correct alarm source (Buzzer, Radio, Nature Sound) is selected. |
| Poor radio reception. | Weak signal or interference from other electronic devices. | Extend the FM antenna fully. Reposition the unit for better reception. Move the unit away from other electronic devices that may cause interference. |
| Time/settings lost after power outage. | Backup battery is dead or not installed. | Install or replace the CR2032 backup battery. Ensure correct polarity. |
| Projected time is blurry or unclear. | Focus not adjusted correctly. | Adjust the focus ring around the projector lens until the image is sharp. |
Specifications
- Brand: Thomson
- Model: CP284
- Dimensions (L x W x H): Approximately 20.2 x 16 x 15 cm (7.95 x 6.3 x 5.9 inches)
- Weight: Approximately 700 grams (1.54 lbs)
- Power Source: AC Power Adapter (Input: 100-240V, Output: DC 5V, 1A - specific adapter details may vary)
- Backup Battery: 1 x CR2032 (not included)
- Radio Frequency: FM
- Features: Dual Alarm, Snooze Function, Sleep Timer, Time Projection, Adjustable Display Brightness, Nature Sounds.
Warranty and Support
For detailed warranty information and technical support, please refer to the documentation provided at the time of purchase. You may also visit the official Thomson website or contact your local Thomson customer service representative. Please retain your proof of purchase for any warranty claims.





