1. Introduction
Thank you for choosing the PRUNUS J-167 Portable AM/FM/SW Radio. This compact and versatile radio is designed for ease of use and excellent reception across multiple bands. Please read this manual thoroughly to understand its features and ensure optimal performance.
Image 1.1: Front view of the PRUNUS J-167 Portable Radio, showing the frequency display, speaker, and extended telescopic antenna.
2. Package Contents
Please check the box for the following items:
- PRUNUS J-167 Radio x 1
- USB-C Charging Cable x 1
- User Manual x 1
Image 2.1: The PRUNUS J-167 radio, USB-C charging cable, and user manual as included in the package.
3. Product Features and Components
The PRUNUS J-167 radio offers a range of features for an enhanced listening experience:
- Compact and Portable Design: Measuring 2.8 x 1.2 x 4.5 inches and weighing 0.35 pounds, it is designed for easy portability.
- Multi-Band Reception: Supports FM (87-108MHz), AM (522-1620KHz), and SW (5.9-18.0MHz) bands.
- Excellent Reception: Equipped with a long telescopic antenna and DSP chip for clear, static-free reception.
- USB-C Charging: Convenient and modern charging method.
- 3.5mm Earphone Jack: For private listening.
Image 3.1: The PRUNUS J-167 radio held in a hand, demonstrating its compact and portable design with approximate dimensions.
Image 3.2: A detailed view of the radio's side panel, highlighting the tuning knob and the band selection switch.
4. Setup
- Initial Charge: Before first use, fully charge the radio using the provided USB-C cable. Refer to Section 6 for detailed charging instructions.
- Extend Antenna: For optimal reception, fully extend the telescopic antenna.
- Power On: Rotate the volume knob clockwise to turn on the radio.
5. Operating Instructions
5.1 Power On/Off and Volume Control
- To turn the radio ON, rotate the VOLUME knob clockwise.
- To adjust the volume, continue rotating the VOLUME knob. Clockwise increases volume, counter-clockwise decreases volume.
- To turn the radio OFF, rotate the VOLUME knob counter-clockwise until it clicks.
5.2 Band Selection
The radio supports FM, AM, and SW bands.
- Locate the FM/AM/SW switch on the side of the radio.
- Slide the switch to select your desired band: FM, AM, or SW.
Image 5.1: Illustration of the radio's multi-band reception capabilities (FM, AM, SW) and the DSP chip for enhanced signal processing.
5.3 Tuning to a Station
- Extend the telescopic antenna fully for best reception.
- Select the desired band (FM, AM, or SW) using the band switch.
- Rotate the TUNING knob on the side of the radio to scan for stations. The frequency display will indicate the current frequency.
- Adjust the tuning knob slowly until you find a clear signal.
5.4 Headphone Use
For private listening, connect 3.5mm headphones to the earphone jack.
- Locate the 3.5mm Earphone Jack on the side of the radio.
- Insert your headphones into the jack. The internal speaker will automatically mute.
- Adjust the volume using the VOLUME knob.
Image 5.2: A user enjoying private listening with headphones connected to the PRUNUS J-167 radio, showing the headphone jack location.
6. Charging the Radio
The PRUNUS J-167 radio features a built-in rechargeable battery and charges via a USB-C port.
- Locate the USB-C Charging Port (DC 5V) on the side of the radio.
- Connect the provided USB-C cable to the radio's charging port.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., wall adapter, computer USB port, power bank).
- A red charging indicator light will illuminate during charging. The light will turn off or change color (depending on the specific unit) when fully charged.
- A full charge provides approximately 140 minutes of playtime at maximum volume.
Image 6.1: The PRUNUS J-167 radio being charged via its USB-C port, connected to a power source.
Video 6.1: An official product video demonstrating the features and operation of the PRUNUS J-167 radio, including charging and controls.
7. Maintenance
- Keep the radio dry and away from moisture.
- Clean the radio with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid dropping the radio or subjecting it to strong impacts.
- When not in use for extended periods, store the radio in a cool, dry place and charge it periodically to maintain battery health.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted. | Charge the radio using the USB-C cable. |
| Poor reception/Static | Antenna not extended, weak signal, interference. | Fully extend the telescopic antenna. Try repositioning the radio. Tune slowly to find a stronger signal. |
| No sound from speaker | Volume too low, headphones connected. | Increase volume. Disconnect headphones if not needed. |
| Charging indicator not lighting up | Cable not connected properly, faulty cable/adapter, radio fully charged. | Ensure cable is securely connected. Try a different USB-C cable or power adapter. The radio might already be fully charged. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | J-167 |
| Product Dimensions | 2.8 x 1.2 x 4.5 inches (7.1 x 3.0 x 11.4 cm) |
| Item Weight | 5.6 ounces (0.16 kg) |
| Radio Bands Supported | FM (87-108MHz), AM (522-1620KHz), SW (5.9-18.0MHz) |
| Power Source | Rechargeable Lithium Polymer Battery (included), USB-C (DC 5V) |
| Connectivity Technology | USB |
| Special Feature | Rechargeable, 3.5mm Earphone Jack |
| Tuner Technology | FM (with DSP chip) |
10. Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official PRUNUS website. Keep your purchase receipt as proof of purchase for any warranty claims.
