Introduction
Thank you for purchasing the Greadio GB-W18 Portable CD Player Boombox. This device offers multiple audio playback options including CD, cassette, FM radio, Bluetooth, USB, AUX, and TF/SD card. Please read this manual carefully before using the product to ensure proper operation and to maximize your listening experience. Keep this manual for future reference.
Safety Information
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Do not open the casing. Refer all servicing to qualified personnel.
- Avoid placing the unit near heat sources or in direct sunlight.
- Ensure proper ventilation around the unit.
- Use only the specified power adapter (if applicable) or charge with a compatible 5V/2A Type-C charger.
- Keep out of reach of children.
Package Contents
Please check that all items are present:
- Greadio GB-W18 Portable CD Player Boombox
- Remote Control (1)
- User Manual (this document)
- USB Charging Cable (Type-C)
Product Overview
Familiarize yourself with the various parts and controls of your Greadio GB-W18 boombox.
Image: Overview of the Greadio GB-W18 Portable CD Player Boombox, highlighting its multi-functional capabilities including CD, cassette, FM radio, Bluetooth, USB, TF/SD card, AUX, and a built-in 5000mAh rechargeable battery.
Front Panel Controls
- LED Display: Shows current mode, track number, frequency, etc.
- Power Button: Turns the unit on/off.
- Mode Button: Switches between CD, Cassette, FM, Bluetooth, USB, AUX, TF/SD modes.
- Volume Control: Adjusts audio output level.
- Play/Pause Button: Controls playback for CD, USB, TF/SD, Bluetooth.
- Stop Button: Stops playback.
- Skip/Search Buttons: Skips tracks or searches radio frequencies.
- Record Button: Initiates cassette recording.
Side/Rear Panel Ports
- CD Compartment: Top-loading CD player.
- Cassette Deck: Front-loading cassette player/recorder.
- USB Port: For USB drive playback.
- TF/SD Card Slot: For TF/SD card playback.
- AUX Input: 3.5mm jack for external audio devices.
- Headphone Jack: 3.5mm jack for private listening.
- DC 5V Input (Type-C): For charging the internal battery.
- FM Antenna: Telescopic antenna for radio reception.
Setup
Powering the Unit
The Greadio GB-W18 can be powered by its built-in rechargeable battery or via a Type-C USB power source.
- Charging the Battery: Connect the provided USB Type-C cable to the DC 5V input port on the unit and the other end to a compatible USB power adapter (e.g., car charger, power bank, computer USB port). The LED display will indicate charging status. A full charge provides extended portable use.
Image: The Greadio GB-W18 boombox with its USB and TF/SD card slots highlighted, along with illustrations of various 5V Type-C charging methods: car charger, power bank, and computer.
Initial Power Up
Press the Power button to turn on the unit. The LED display will light up, and the unit will typically default to the last used mode or CD mode.
Operating Instructions
Use the Mode button to switch between different playback sources.
CD Playback
- Press the Mode button until 'CD' appears on the display.
- Open the CD compartment lid.
- Place a CD (CD, CD-R, CD-RW) with the label side facing up onto the spindle.
- Close the CD compartment lid. The CD will begin to play automatically.
- Use the Play/Pause, Stop, and Skip/Search buttons to control playback.
Image: A user operating the Greadio GB-W18 boombox, demonstrating CD playback and the use of the remote control for convenient operation.
Cassette Playback and Recording
- Press the Mode button until 'TAPE' appears on the display.
- Open the cassette deck door.
- Insert a cassette tape with the open edge facing upwards.
- Close the cassette deck door.
- Press the Play button on the cassette deck controls to start playback.
- To Record: Ensure a blank or recordable cassette is inserted. Select your desired input source (e.g., FM radio, AUX, Bluetooth). Press the Record button on the unit. Press Stop to end recording.
Image: The Greadio GB-W18 boombox in a social setting, illustrating the cassette player function with a hand inserting a tape.
FM Radio Operation
- Extend the telescopic FM antenna for optimal reception.
- Press the Mode button until 'FM' appears on the display.
- Press and hold the Skip/Search buttons to automatically scan for available stations. The unit can preset up to 30 stations.
- Press the Skip/Search buttons briefly to manually tune or cycle through preset stations.
Image: A user in a kitchen setting with the Greadio GB-W18 boombox, demonstrating its FM radio capabilities and the range of frequencies it can receive.
Bluetooth (Wireless Receiver)
- Press the Mode button until 'BLUE' or 'BT' appears on the display. The unit will enter pairing mode, indicated by a flashing Bluetooth icon.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select 'Greadio GB-W18' (or similar name) from the list to pair.
- Once paired, you can play audio from your device through the boombox.
Image: The Greadio GB-W18 boombox demonstrating its wireless capabilities, functioning as both a wireless transmitter (for headphones/speakers) and a wireless receiver (for streaming from smartphones/tablets).
USB Drive & TF/SD Card Playback
- Insert a USB drive into the USB port or a TF/SD card into the TF/SD card slot.
- Press the Mode button until 'USB' or 'TF' appears on the display.
- The unit will automatically detect and play MP3 files from the storage device.
- Use the Play/Pause, Stop, and Skip/Search buttons to control playback.
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 until 'AUX' appears on the display.
- Play audio from your external device. The sound will be output through the boombox speakers.
Remote Control
The included remote control allows for convenient operation of most functions from a distance. Point the remote control directly at the front panel of the boombox. Functions include power on/off, mode selection, volume adjustment, playback controls (play, pause, stop, skip), and radio tuning.
Sleep Timer
The unit features a sleep timer function. Refer to the remote control or specific button on the unit (if available) to set a timer for automatic power-off. This feature is useful for falling asleep to music.
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 specialized CD lens cleaner disc.
- Cassette Head Cleaning: Regularly clean the cassette heads with a cotton swab lightly dampened with isopropyl alcohol to ensure optimal sound quality and prevent tape damage.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the unit regularly, even if not in use for extended periods.
- Storage: When not in use for a long time, store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Battery is depleted. | Connect the unit to a power source using the Type-C USB cable and allow it to charge. |
| No sound from speakers. | Volume is too low or muted. Incorrect mode selected. Headphones connected. | Increase volume. Press the Mode button to select the correct source. Disconnect headphones. |
| CD skips or does not play. | CD is dirty, scratched, or inserted incorrectly. CD lens is dirty. | Clean the CD. Reinsert the CD correctly. Use a CD lens cleaner. |
| Poor FM radio reception. | Antenna not extended. Weak signal. | Fully extend the FM antenna. Reposition the unit for better reception. |
| Bluetooth device cannot pair. | Boombox not in pairing mode. Device too far. | Ensure boombox is in Bluetooth mode and flashing. Move device closer (within 26 ft). |
| Cassette playback distorted. | Cassette heads are dirty. Tape is old or damaged. | Clean cassette heads. Try a different tape. |
Specifications
- Model Number: GB-W18
- Product Dimensions: 7.56 x 7.56 x 5.16 inches
- Item Weight: 2.99 pounds
- Connectivity Technology: Bluetooth 5.0
- Speaker Type: Dual Stereo Speaker
- Battery: Built-in 5000mAh Rechargeable Lithium Ion Battery
- Power Input: DC 5V (Type-C)
- Supported Media: CD, CD-R, CD-RW, Cassette Tape, USB Drive (MP3 format, up to 32GB), TF/SD Card (MP3 format, up to 32GB), AUX Input
- FM Radio Frequency: 87.5-108 MHz
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.
