1. Introduction
Thank you for purchasing the Greadio Boombox CD Player with Bluetooth and Portable Shortwave Radio. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
2. Safety Information
- Do not expose the unit to rain, moisture, or extreme temperatures.
- Avoid placing the unit near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Use only attachments/accessories specified by the manufacturer.
- Unplug the unit during lightning storms or when unused for long periods.
- Do not open the casing. Refer all servicing to qualified service personnel.
- Dispose of batteries properly, following local regulations.
3. Product Overview
The Greadio Boombox CD Player with Bluetooth and Portable Shortwave Radio is a versatile audio device offering multiple playback options and radio reception. It combines a CD player, Bluetooth connectivity, USB and AUX inputs, and a multi-band radio (FM/AM/SW).
Figure 3.1: Front view of the Greadio Boombox CD Player, highlighting its LCD display, FM radio, sleep timer, CD player, Bluetooth, USB driver, earphone jack, AUX input, and dual speakers.
Figure 3.2: The Greadio Portable Shortwave Radio (Model MD-T26) component, featuring a retractable antenna for enhanced reception of AM, FM, and Shortwave bands.
4. Setup
4.1 Power Supply for Boombox
The boombox can be powered in two ways:
- AC Power: Connect the provided AC power cord to the unit's AC input and a standard 120V AC wall outlet.
- Battery Power: For portable use, insert 6 x 'C' size batteries (not included) into the battery compartment located on the bottom of the unit. Ensure correct polarity.
Figure 4.1: The Greadio Boombox designed for portability, featuring a carrying handle and dual power options (AC or battery).
4.2 Power Supply for Portable Shortwave Radio (MD-T26)
The portable shortwave radio (MD-T26) also offers dual power options:
- AC Power: Connect the provided AC power cable to the radio's AC input and a standard wall outlet.
- Battery Power: Insert 4 x 'D' cell batteries (not included) into the battery compartment on the back of the radio. Observe correct polarity.
Figure 4.2: Rear view of the Greadio Portable Shortwave Radio, illustrating the AC power input and the battery compartment for 4 x D cell batteries.
5. Operating Instructions
5.1 CD Playback
- Open the CD compartment lid.
- Place a CD (CD, CD-R, CD-RW, MP3 CD) onto the spindle with the label side facing up.
- Close the CD compartment lid.
- Press the 'MODE' button to select CD mode.
- Press the 'PLAY/PAUSE' button to start playback.
- Use the 'SKIP' buttons (◀◀ / ▶▶) to navigate tracks.
- Press the 'REPEAT' button to cycle through playback modes: Single-track repeat, Full-track repeat, Random play.
Figure 5.1: The CD compartment of the boombox open, with icons illustrating various CD/USB playback modes including single cycle, repeat folder, repeat all, random play, and play in order.
5.2 Bluetooth Connectivity
- Press the 'MODE' button to select Bluetooth mode. The display will show 'BT' and flash, indicating it is ready for pairing.
- On your Bluetooth-enabled device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select 'Greadio' (or similar name) from the list of devices.
- Once paired, the 'BT' indicator will stop flashing, and you can play audio from your device through the boombox.
- The effective Bluetooth range is up to 26 feet (8 meters).
Figure 5.2: The Greadio Boombox demonstrating Bluetooth 5.1 connectivity, showing a wireless connection to a laptop and a smartphone for audio streaming.
5.3 USB Playback
- Insert a USB flash drive into the USB port.
- Press the 'MODE' button to select USB mode.
- The unit will automatically begin playing compatible audio files (e.g., MP3).
- Use the 'PLAY/PAUSE' and 'SKIP' buttons to control playback.
5.4 AUX Input
- Connect an external audio device (e.g., MP3 player, smartphone) to the AUX input jack using a 3.5mm audio cable (not included).
- Press the 'MODE' button to select AUX mode.
- Control playback from your external device.
5.5 FM/AM/SW Radio Operation
- Extend the telescopic antenna for optimal FM and Shortwave reception. For AM, the internal antenna is generally sufficient.
- Press the 'MODE' button to select FM, AM, or SW radio mode.
- Use the 'TUNING' knob to manually scan for radio stations. The frequency will be displayed on the LCD screen.
- For the portable shortwave radio (MD-T26), use the large tuning knob for precise station selection.
Figure 5.3: Close-up view of the Greadio Portable Shortwave Radio's controls, including the clear LCD screen displaying time and frequency, a large volume knob, and a large tuning knob for ease of use.
5.6 Sleep Timer
The boombox features a sleep timer function:
- While the unit is playing, press the 'SLEEP' button.
- Repeatedly press the 'SLEEP' button to cycle through the auto shut-off options (0-90 minutes).
- The unit will automatically power off after the selected time.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- CD Lens Care: If CD playback issues occur, use a commercially available CD lens cleaner disc.
- Battery Replacement: When using battery power, replace all batteries simultaneously with new ones of the same type. Do not mix old and new batteries or different battery types.
- Storage: If storing the unit for an extended period, remove all batteries to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | AC cord not connected; Batteries depleted or incorrectly inserted. | Ensure AC cord is securely plugged in; Replace batteries or check polarity. |
| CD not playing / skipping | CD is dirty, scratched, or inserted incorrectly; CD lens is dirty. | Clean or replace CD; Reinsert CD correctly; Use a CD lens cleaner. |
| Bluetooth not connecting | Bluetooth mode not selected; Device too far; Device already paired with another unit. | Select Bluetooth mode; Move device closer (within 26ft); Disconnect from other devices and try pairing again. |
| Poor radio reception | Antenna not extended; Weak signal; Interference. | Fully extend the telescopic antenna; Reposition the unit; Try tuning slightly. |
| No sound from AUX | AUX cable not connected properly; AUX mode not selected; Volume too low on external device. | Ensure AUX cable is fully inserted; Select AUX mode; Increase volume on external device. |
8. Specifications
- Model: B0DRNSC8T1 (Boombox), MD-T26 (Portable Shortwave Radio component)
- CD Compatibility: CD, CD-R, CD-RW, MP3
- Bluetooth Version: 5.1
- Bluetooth Range: Up to 26 feet (8 meters)
- Radio Frequency Range:
- FM: 87.5-108 MHz
- AM: (Specific range not provided, typical is 520-1710 kHz)
- SW: (Specific range not provided, varies by model)
- Power Supply (Boombox): AC 120V, 6 x 'C' batteries (not included)
- Power Supply (Portable Shortwave Radio): AC power, 4 x 'D' cell batteries (not included)
- Audio Output: Dual speakers, Headphone jack
- Inputs: USB, AUX (3.5mm)
- Sleep Timer: 0-90 minutes auto shut-off
9. Warranty and Support
Greadio products are designed for reliability and performance. For any questions, technical support, or warranty inquiries, please refer to the contact information provided with your purchase or visit the official Greadio website. Please retain your proof of purchase for warranty claims.
