QFX J-300BT Rechargeable Cassette AM/FM/SW Radio Bluetooth Boombox

1. Introduction

Thank you for purchasing the QFX J-300BT Rechargeable Cassette AM/FM/SW Radio Bluetooth Boombox. This device combines retro aesthetics with modern functionality, offering a versatile audio experience. It features a cassette player and recorder, a 4-band radio (AM/FM/SW1-2), Bluetooth connectivity for wireless audio streaming, and USB recording capabilities. The J-300BT is designed for both home use and portability, operating on AC power, DC batteries, or its internal rechargeable battery.

This manual provides essential information for the safe and efficient operation of your boombox. Please read it thoroughly before use and retain it for future reference.

2. Safety Information

• Power Source: Use only the specified power adapter or batteries. Ensure the voltage matches the requirements of the unit.
• Water and Moisture: Do not expose the unit to rain, moisture, or immerse it in water. Avoid placing objects filled with liquids, such as vases, on the unit.
• Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
• Ventilation: Ensure adequate ventilation. Do not block any ventilation openings.
• Cleaning: Unplug the unit from the power outlet before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosol cleaners.
• Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
• Batteries: Dispose of used batteries according to local regulations. Do not expose batteries to excessive heat or direct sunlight.
• Volume Level: Prolonged listening at high volume levels can cause hearing damage. Adjust the volume to a moderate level.

3. Package Contents

Please check that all items listed below are included in your package:

• QFX J-300BT Boombox
• AC Power Cable
• Telescoping Antenna (pre-attached)
• Headphones
• Carrying Pouch
• Owner's Manual (this document)

4. Product Overview

Familiarize yourself with the various controls and features of your QFX J-300BT boombox.

Figure 4.1: Front view of the QFX J-300BT boombox, showcasing the cassette deck, dual speakers, radio tuner display, and various control knobs and buttons.

Top Panel Controls

Figure 4.2: Detailed view of the top panel, illustrating the 3-band graphic equalizer (Bass, Middle, Treble), cassette player controls (Pause, Stop/Eject, F.FWD, REW, Play, Record), function selector, band selector, volume control, and tuning knob.

• 3-Band Graphic Equalizer: Adjust Bass, Middle, and Treble levels.
• Cassette Controls: Standard buttons for tape operation (Play, Record, Rewind, Fast Forward, Stop/Eject, Pause).
• Function Selector: Switch between Tape, Radio, Bluetooth, USB/SD modes.
• Band Selector: Choose between AM, FM, SW1, SW2 radio bands.
• Volume Control: Adjust the audio output level.
• Tuning Knob: Fine-tune radio frequencies.
• One Touch Recording Button: Initiates recording to cassette.

Side Panel Controls and Ports

Figure 4.3: Side view of the boombox, highlighting the main tuning knob and the headphone output jack for private listening.

• Headphone Jack: 3.5mm stereo output for connecting headphones.
• USB Port: For connecting USB flash drives for playback or recording.
• SD Card Slot: For connecting SD cards for playback or recording.
• Built-in Microphone: For voice recording to cassette or USB.

Rear Panel

Figure 4.4: Rear view of the boombox, displaying the battery compartment for DC operation and the AC power input socket.

• AC Power Input: Connect the supplied AC power cable here.
• Battery Compartment: For installing DC batteries (not included) for portable use.

5. Setup

5.1 Powering the Device

The QFX J-300BT offers three power options:

1. AC Power: Connect the supplied AC power cable to the AC input on the rear of the boombox and then to a standard wall outlet.
2. DC Batteries: For portable use without recharging, open the battery compartment on the rear and insert the required number of D-size batteries (not included), ensuring correct polarity.
3. Rechargeable Battery: The unit has a built-in rechargeable battery. Connect the AC power cable to charge the internal battery. The charging indicator (if present) will illuminate.

5.2 Initial Charging

Before first use, it is recommended to fully charge the internal rechargeable battery. Connect the boombox to AC power for approximately 4-6 hours. The unit can be used while charging.

6. Operating Instructions

6.1 Radio Operation (AM/FM/SW1-2)

1. Set the Function Selector to 'Radio'.
2. Select the desired band (AM, FM, SW1, or SW2) using the Band Selector.
3. Extend the telescoping antenna for optimal FM and SW reception. For AM, rotate the unit for best reception.
4. Rotate the Tuning Knob to search for radio stations.
5. Adjust the Volume Control to your preferred listening level.

6.2 Cassette Player/Recorder Operation

Playing a Cassette Tape

1. Set the Function Selector to 'Tape'.
2. Press the Stop/Eject button to open the cassette compartment.
3. Insert a cassette tape with the open edge facing upwards. Close the compartment.
4. Press the Play button to start playback.
5. Use F.FWD or REW to fast forward or rewind the tape.
6. Press Pause to temporarily stop playback, and press again to resume.
7. Press Stop/Eject to stop playback and eject the tape.

Recording to Cassette Tape

You can record from the radio, Bluetooth, USB/SD, or the built-in microphone to a cassette tape.

1. Insert a recordable cassette tape into the compartment.
2. Select the desired input source (Radio, Bluetooth, USB/SD, or ensure the microphone is active).
3. Press the Record button (red button). The Play button will also engage simultaneously.
4. To stop recording, press the Stop/Eject button.
5. For 'One Touch Recording', ensure the desired audio source is playing, then press the 'One Touch Recording' button. This will automatically start recording to the cassette.

6.3 Bluetooth Pairing

1. Set the Function Selector to 'Bluetooth'. The unit will enter pairing mode, indicated by a flashing Bluetooth indicator.
2. Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
3. Search for available devices and select "QFX J-300BT" (or similar name) from the list.
4. Once paired, the Bluetooth indicator will stop flashing, and you can play audio from your device through the boombox.

6.4 USB/SD Playback and Recording

Playback

1. Insert a USB flash drive into the USB port or an SD card into the SD card slot.
2. Set the Function Selector to 'USB/SD'. The unit will automatically begin playing compatible audio files.
3. Use the playback controls (Play/Pause, Next/Previous Track) to navigate your music.

Recording to USB/SD

You can record audio from the radio, cassette, or built-in microphone directly to a USB flash drive or SD card.

1. Insert a USB flash drive or SD card with sufficient free space.
2. Select the desired input source (Radio, Tape, or ensure the microphone is active).
3. Press the dedicated USB Record button (if available) or follow the general recording procedure for the selected source, ensuring the output is directed to USB/SD.
4. Press the Stop button to end the recording.

7. Maintenance

• Cleaning: Wipe the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Cassette Head Cleaning: Periodically clean the cassette heads, pinch roller, and capstan with a cotton swab lightly dampened with isopropyl alcohol to ensure optimal sound quality and prevent tape damage.
• Storage: When not in use for extended periods, store the boombox in a cool, dry place, away from direct sunlight and extreme temperatures. Remove DC batteries if not using for a long time.
• Battery Care: To prolong the life of the internal rechargeable battery, avoid fully discharging it frequently. Recharge it regularly, even if the unit is not in constant use.

8. Troubleshooting

9. Specifications

10. Warranty and Support

For warranty information, technical support, or service inquiries, please visit the official QFX website or contact their customer service department. Please have your product model number (J-300BT) and purchase details available when seeking support.

QFX Official Website: www.qfxusa.com