Introdução
Obrigado pela compra.asing the Greadio GR-002G Emergency AM/FM NOAA Solar Hand Crank Radio. This versatile device is designed to provide essential communication and power in various situations, including emergencies, outdoor activities, and daily use. It features multiple power sources, a powerful flashlight, a reading lamp, and a 2000mAh power bank for charging external devices. Please read this manual thoroughly to understand its functions and ensure safe and optimal operation.
Características do produto
- Wide Band Reception: Receives AM/FM/7 NOAA weather channels for updated information during severe weather events like tornadoes, floods, or storms, keeping you informed and entertained.
- Durável e versátil: Ideal as a bedside radio and an essential tool for emergency preparedness, travel, camping, backpacking, and other outdoor activities.
- Iluminação integrada: Features a bright 1W flashlight and a reading lamp for illuminating dark spaces during emergencies or power outage.
- Bateria externa de 2000mAh: The USB charging port allows you to charge mobile phones or other USB devices, ensuring communication capability during critical situations.
- Várias opções de carregamento: Built-in rechargeable Li-ion battery can be charged via Micro USB cable, 3 AAA batteries (not included), hand crank, and a 180-degree adjustable solar panel. Provides power even without installed batteries.
Conteúdo da embalagem
- Greadio GR-002G Emergency Radio
- Cabo de carregamento micro USB
- Manual do usuário
Instruções de segurança
Leia e siga atentamente estas instruções de segurança para evitar danos ao dispositivo ou ferimentos.
- Não exponha o dispositivo a temperaturas extremas, luz solar direta por períodos prolongados ou alta umidade.
- Evite deixar o rádio cair ou submetê-lo a impactos fortes.
- Não desmonte nem tente reparar o dispositivo por conta própria. Contate pessoal de serviço qualificado.
- Mantenha o dispositivo longe de água e outros líquidos.
- When using AAA batteries, ensure correct polarity and do not mix old and new batteries or different types of batteries.
- Descarte as baterias de acordo com os regulamentos locais.
- The hand crank should be turned at a steady, moderate pace. Excessive force can damage the internal mechanism.
Configurar
1. Carregamento inicial
Before first use, it is recommended to fully charge the internal Li-ion battery using the Micro USB cable.
- Connect the Micro USB cable to the radio's Micro USB input port.
- Conecte a outra extremidade do cabo a um adaptador de energia USB (não incluído) ou a uma porta USB do computador.
- A luz indicadora de carregamento acenderá. Quando a carga estiver completa, a luz poderá mudar de cor ou apagar, dependendo do modelo.
2. AAA Battery Installation (Optional)
The radio can also be powered by 3 AAA batteries (not included) as an alternative power source.
- Localize a tampa do compartimento da bateria na parte traseira do rádio.
- Open the cover and insert 3 AAA batteries, ensuring correct polarity (+/-).
- Feche bem a tampa do compartimento da bateria.
3. Extensão da Antena
For optimal radio reception, extend the telescopic antenna fully. Adjust its direction for the best signal.

Imagem: Frente view of the Greadio GR-002G Emergency Radio, highlighting its compact size, solar panel, flashlight, and control knobs. Dimensions are indicated as 15.7 cm length, 7.4 cm height, and 5.3 cm width. Icons at the bottom represent brighter flashlight, 2000 mAh charger, 5 charge options, AM/FM radio, and SOS alarm & flash.
Instruções de operação
1. Ligar/desligar e controle de volume
- Vire o Volume/Power knob clockwise to power on the radio and increase the volume.
- Vire o Volume/Power knob counter-clockwise until it clicks to power off the radio and decrease the volume.
2. Radio Tuning (AM/FM/NOAA)
- Select the desired band (AM, FM, or WB/NOAA) using the Band Selector switch.
- Gire o Botão de ajuste to search for radio stations. The tuning indicator light will illuminate when a strong signal is received.
- For NOAA weather band, select "WB" and tune to one of the 7 NOAA weather channels for local weather alerts.
- Extend and adjust the telescopic antenna for optimal reception.

Image: The Greadio GR-002G radio with radio waves emanating from it, illustrating its AM/FM reception capability. Frequency ranges like FM 89MHz, FM 95MHz, FM 108MHz, AM 1000KHz, and AM 520KHz are shown around the radio.
3. Operação da lanterna
- Pressione o Botão de lanterna (usually located on the side or front) once to turn on the flashlight.
- Pressione o botão novamente para desligar a lanterna.
4. Leitura Lamp Operação
- Levante o painel solar para revelar a leitura lamp.
- Pressione o Leitura Lamp botão (often near the solar panel) to turn on the reading lamp.
- Press the button again to turn off the reading lamp.

Image: The Greadio GR-002G radio demonstrating its two LED light sources. The top part shows a person using the flashlight in a dark outdoor setting, while the bottom part shows two children reading under the light of the reading lamp, which is integrated into the solar panel.
5. SOS Alarm Function
- Pressione e segure o Botão SOS (usually marked "SOS") to activate the loud siren and flashing light.
- Release the button to deactivate the SOS alarm.

Image: The Greadio GR-002G radio with an SOS alarm activated, indicated by a flashing light and "SOS!!" text. A person is shown in a snowy environment, suggesting an emergency situation where the alarm would be useful.
6. Charging External Devices (Power Bank)
The built-in 2000mAh power bank can charge your mobile devices.
- Conecte o cabo de carregamento USB do seu dispositivo ao rádio. Porta de saída USB.
- O rádio começará a carregar seu dispositivo.
- Note that the radio's internal battery capacity is 2000mAh, which may not fully charge all smartphones.

Image: The Greadio GR-002G radio connected via USB to a smartphone, which is displaying a charging icon. The background shows a flooded street with cars, emphasizing the radio's utility as a power bank during emergencies.
7. Carregando o Rádio
The GR-002G offers multiple ways to recharge its internal battery:
- Carregamento Micro USB: (Refer to "Initial Charging" in Setup section).
- Carregamento de manivela:
- Unfold the hand crank handle located on the back of the radio.
- Rotate the hand crank clockwise or counter-clockwise at a steady speed (approximately 130-150 RPM) for 3-5 minutes to generate power.
- A short period of cranking can provide enough power for a few minutes of radio use or a brief flashlight burst.
- Carregamento solar:
- Place the radio with the solar panel facing direct sunlight.
- The solar panel will convert sunlight into electricity to charge the internal battery.
- Solar charging is primarily for maintaining battery charge or for slow charging in emergencies, not for rapid full charges.
- AAA Battery Power: (Refer to "AAA Battery Installation" in Setup section). When AAA batteries are installed, the radio will draw power from them if the internal Li-ion battery is depleted or switched off.

Image: The Greadio GR-002G radio in a stormy outdoor setting, illustrating its five charging methods: Hand Crank, Solar Charging, AAA Batteries, USB Charging, and Rechargeable battery. Icons represent each method.
Manutenção
- Limpeza: Limpe o rádio com um pano macio, damp pano. Não use produtos de limpeza abrasivos ou solventes.
- Armazenar: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, ensure the internal battery is partially charged (around 50%) and recharge it every 3-6 months to prolong battery life.
- Cuidados com a bateria: If using AAA batteries, remove them if the radio will not be used for a long time to prevent leakage.
Solução de problemas
| Problema | Possível causa | Solução |
|---|---|---|
| O rádio não liga. | Internal battery is depleted. AAA batteries are depleted or incorrectly installed. | Charge the internal battery via USB, hand crank, or solar. Replace AAA batteries or ensure correct polarity. |
| Má recepção de rádio. | Antena não estendida. Área de sinal fraco. Interferência. | Extend the telescopic antenna fully and adjust its position. Move to an area with better signal. Avoid sources of electronic interference. |
| Lanterna/Lanterna de Leituraamp não está funcionando. | Internal battery is depleted. | Carregue a bateria interna. |
| Não é possível carregar dispositivos externos. | Internal battery is too low. Device's charging cable is faulty. | Ensure the radio's internal battery has sufficient charge. Try a different USB cable or device. |
| Hand crank is stiff or makes unusual noise. | Excessive force applied. Internal mechanism damage. | Turn the crank gently and steadily. If the problem persists, discontinue use and contact support. |
Especificações
- Marca: Greádio
- Modelo: GR-002G
- Bandas de Rádio: AM, FM, Banda Meteorológica da NOAA (7 canais)
- Faixa de frequência: FM: 87-108 MHz, AM: 520-1700 KHz, WB: 162.400-162.550 MHz
- Fontes de energia:
- Built-in Rechargeable Li-ion Battery (2000mAh)
- 3 x pilhas AAA (não incluídas)
- Dínamo de Manivela
- Painel solar
- Micro USB Input (DC 5V)
- Saída: USB Output (for charging external devices)
- Potência de saída do alto-falante: 1 watts
- Iluminação: 1W Flashlight, LED Reading Lamp
- Características especiais: Portable, Integrated Flashlight, SOS Alarm, Power Bank Function
- Dimensões do produto: 10.92 x 7.37 x 1.6 cm (aproximadamente 4.3 x 2.9 x 0.6 polegadas)
- Peso do produto: 308.44 g (aproximadamente 0.68 libras)
Garantia e Suporte
Greadio products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Greadio website. Please have your model number (GR-002G) and purchase details ready when contacting support.




