Jazmm Digital Shortwave Radio User Manual

1. Introduction

Thank you for purchasing the Jazmm Digital Shortwave Radio. This versatile device combines multiple functionalities including AM/FM/SW radio reception, NOAA weather alerts, Bluetooth 5.4 connectivity, an MP3 player, and emergency features such as a flashlight, SOS alarm, and power bank. Designed for both daily use and emergency preparedness, this manual provides detailed instructions to ensure optimal performance and safe operation.

Image: The Jazmm Digital Shortwave Radio, showcasing its compact design and ability to charge a smartphone, highlighting its 4000mAh power bank feature.

2. Safety Information

• Do not expose the radio to extreme temperatures, direct sunlight for prolonged periods, or high humidity.
• Avoid dropping or subjecting the device to strong impacts.
• Keep the device away from water and liquids.
• Do not attempt to disassemble or modify the radio. This will void the warranty and may cause damage.
• Use only the specified charging methods and cables.
• When using the hand crank, ensure smooth and consistent rotation to avoid damage.

3. Package Contents

Verify that all items are present in the package:

• Jazmm Digital Shortwave Radio
• USB Cable (Type-C)
• Owner's Manual
• Gift Box

4. Product Overview

Familiarize yourself with the various components and ports of your radio.

Image: A detailed diagram highlighting the 3.5mm Earphone Jack, USB Type-C Charging Port, TF/SD Card Slot, USB Port, and Function Switch on the radio.

• Display Screen: Shows frequency, battery level, and mode.
• Tuning Knob: For manual frequency adjustment.
• Antenna: Extendable for improved radio reception.
• Speaker: 5W output for clear audio.
• Hand Crank: For manual power generation.
• Solar Panel: For solar charging.
• LED Flashlight: Integrated light source.
• SOS Button: Activates emergency alarm.
• USB-A Output Port: For charging external devices.
• USB Type-C Input Port: For charging the radio.
• TF/SD Card Slot: For MP3 playback (supports up to 256GB).
• 3.5mm Earphone Jack: For private listening.
• Compass: Integrated for navigation.

5. Setup

5.1 Initial Charging

Before first use, fully charge the radio using the Type-C USB cable. The built-in 4000mAh battery provides approximately 12 hours of use on a full charge.

5.2 Charging Methods

Your radio supports three charging methods:

1. Type-C Charging: Connect the provided USB Type-C cable to the radio's input port and a standard USB power adapter (not included).
2. Hand Crank Charging: Rotate the hand crank clockwise or counter-clockwise at a steady pace (approx. 130-150 RPM) to generate power. This method is ideal for emergencies or when other power sources are unavailable.
3. Solar Panel Charging: Place the radio with the solar panel facing direct sunlight. This method is primarily for maintaining battery charge or for slow charging in outdoor environments.

Image: Visual representation of the three charging methods: Type-C cable connected to a wall adapter, a hand turning the crank, and sunlight hitting the solar panel.

6. Operating Instructions

6.1 Power On/Off

Press and hold the power button to turn the radio on or off.

6.2 Radio Tuning (AM/FM/SW/WB)

The radio supports AM, FM, Shortwave (SW), and Weather Band (WB) frequencies.

• Band Selection: Press the 'BAND' button to cycle through AM, FM, SW, and WB modes.
• Automatic Scan: In any radio mode, press and hold the 'SCAN' button to automatically scan and save available stations. The radio can save up to 120 preset stations (40 for AM, 40 for FM, 40 for SW).
• Manual Tuning: Use the tuning knob to manually adjust the frequency.
• Preset Recall: Use the 'PRESET' buttons (if available) or tuning knob to navigate through saved stations.
• Antenna: Extend the telescopic antenna for optimal FM, SW, and WB reception. For AM, the internal ferrite bar antenna is used.

Image: The radio showing its digital display with frequency, alongside text detailing the supported frequency ranges for WB (162.400-162.550MHz), AM (520-1710KHz), FM (87-108MHz), and SW (5.7-17.9MHz).

Image: The radio's display showing '87.5' MHz, surrounded by various 'P' numbers (e.g., P01, P10, P25), illustrating its capability to support 120 preset stations.

6.3 Bluetooth Connection

The radio features advanced Bluetooth 5.4 for stable wireless connection up to 10 meters.

1. Switch the radio to Bluetooth mode (indicated by 'bt' on the display).
2. Enable Bluetooth on your smartphone or other Bluetooth-enabled device.
3. Search for 'Jazmm Radio' (or similar name) in your device's Bluetooth settings and select it to pair.
4. Once connected, you can play audio from your device through the radio's 5W speaker.

Image: The radio displaying 'bt' on its screen, wirelessly connected to a smartphone playing music, with an icon indicating a 10-meter Bluetooth range.

6.4 MP3 Player (USB/SD Card)

The radio supports TF/SD card and USB drive playback for MP3, WAV, APE, and FLAC formats.

• Insert a TF/SD card (up to 256GB) into the TF/SD card slot or a USB drive into the USB port.
• The radio will automatically switch to MP3 playback mode.
• Use the control buttons (e.g., Play/Pause, Next/Previous) to manage playback.
• For private listening, plug 3.5mm headphones into the earphone jack.

Image: A banner illustrating the radio's versatility as a music player, with icons for 3.5mm headphone support, TF/SD card slot, and USB disk playback.

6.5 NOAA Weather Alert

The radio can receive 7 NOAA weather stations to provide timely weather alerts.

• Switch to WB (Weather Band) mode.
• Tune to your local NOAA weather station.
• The radio will automatically activate an alert when a significant weather event or public emergency is broadcast in your area, providing crucial time for preparedness.

Image: The radio displaying a warning triangle, set against a stormy sky with lightning, emphasizing its 7 NOAA Weather Bands and 24-hour hazard emergency alert capability.

6.6 Flashlight

The integrated LED flashlight provides illumination in low-light conditions.

• Locate the flashlight button (often marked with a light bulb icon).
• Press the button to turn the flashlight on or off.

Image: A composite image demonstrating the radio's multi-functionality, including its bright LED flashlight illuminating a dark path, the SOS alarm being activated, the compass feature, and its use as a phone charger.

6.7 SOS Alarm

In emergency situations, activate the SOS alarm to attract attention.

• Press the 'SOS' button to activate a loud siren and flashing light.
• Press the button again to deactivate the alarm.

6.8 Power Bank Function

The radio's 4000mAh battery can be used to charge external devices like smartphones.

• Connect your device's charging cable to the USB-A output port on the radio.
• The radio will begin charging your device.

7. Maintenance

• Cleaning: Wipe the radio with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Storage: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, ensure the battery is partially charged (around 50%) and recharge it every few months to maintain battery health.
• Antenna Care: Handle the telescopic antenna gently to prevent bending or breaking.

8. Troubleshooting

9. Specifications

10. Warranty and Support

Jazmm products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact details provided on the product packaging or visit the official Jazmm website. Please retain your purchase receipt for warranty claims.

For additional support, you may visit the Jazmm Store on Amazon: Jazmm Store