1. Introdução e maisview
This manual provides essential instructions for the safe operation, setup, and maintenance of your Jamara 404920 J-Matic Digger. Please read this manual thoroughly before operating the device to ensure proper function and longevity.
The Jamara J-Matic Digger is a remote-controlled excavator featuring realistic engine sounds, a 660-degree turret rotation, and programmable functions. It operates on a 2.4 GHz frequency for reliable control.

Imagem 1: Vista frontal view of the Jamara 404920 J-Matic Digger, showcasing its yellow body, tracks, and articulated arm with a bucket.
2. Informações de segurança
WARNING: Use under the direct supervision of adults.
WARNING: Not suitable for children under 36 months. Risk of suffocation. Contains small parts which can be swallowed.
- Recommended age for operation is 8 years and up.
- Mantenha as mãos, cabelos e roupas largas longe das peças móveis.
- Do not operate the digger near water or in wet conditions to prevent electrical damage.
- Avoid operating in crowded areas or near roads to prevent accidents.
- Certifique-se de que as pilhas estejam inseridas com a polaridade correta. Não misture pilhas novas com usadas ou pilhas de tipos diferentes.
- Remove batteries from the digger and transmitter when not in use for extended periods.
3. Conteúdo da caixa
Por favor, verifique o conteúdo da embalagem ao desembalar:
- 1 x Jamara J-Matic Digger Model
- 1 x 2.4 GHz Transmitter (Remote Control)
- 1 x Manual de Instruções
4. Configuração
4.1 Instalação da bateria
- Digger: Locate the battery compartment on the underside of the digger. Open the cover and insert 4 x AA batteries, ensuring correct polarity (+/-). Close the cover securely.
- Transmissor: Locate the battery compartment on the back of the transmitter. Open the cover and insert the required batteries (typically 2 x AA or 3 x AA, refer to the compartment label), ensuring correct polarity. Close the cover securely.
4.2 Pairing the Transmitter and Digger
The 2.4 GHz system typically pairs automatically. Follow these steps:
- Ensure fresh batteries are installed in both the digger and the transmitter.
- Turn on the digger using its power switch.
- Turn on the transmitter. The indicator light on the transmitter should blink and then become solid, indicating a successful connection.
- If pairing fails, turn off both devices, wait a few seconds, and repeat the process.
5. Instruções de operação
Familiarize yourself with the transmitter controls and the digger's functions:
- Movimento: Use the control sticks for Forward, Reverse, Left, and Right movement.
- Rotação da torre: The digger features a 660-degree turret rotation. Use the designated controls on the transmitter to rotate the turret clockwise or counter-clockwise.
- Controle do braço e da caçamba: Operate the digger's arm and bucket using the specific levers or buttons on the transmitter. These controls allow for actions such as discharge and recharge (scooping and dumping).
- Som do motor: The digger has a realistic engine sound feature that can be switched on or off via a dedicated button on the transmitter.
- Buzina: Activate the horn sound using the corresponding button.
- Funções programáveis: The digger supports programmable functions, including a repeat function. Refer to the transmitter's specific buttons for programming sequences.
- Desligamento automático: The digger is equipped with an auto switch-off function to conserve battery power when idle.
- Backwards Drive Alarm: An audible alarm sounds when the digger is moving in reverse.

Image 2: The Jamara 404920 J-Matic Digger in an outdoor setting, illustrating its 660-degree turret rotation capability and digging action.
6. Manutenção
- Limpeza: Use a soft, dry cloth to clean the digger and transmitter. Do not use water or chemical cleaners.
- Cuidados com a bateria: Always remove batteries from the digger and transmitter when not in use for extended periods. Store batteries in a cool, dry place.
- Armazenar: Store the digger in a dry, dust-free environment, away from direct sunlight and extreme temperatures.
- Inspeção: Periodically check for loose screws, damaged wires, or worn parts. Do not operate if any damage is found.
7. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Digger does not turn on. | As pilhas estão descarregadas ou instaladas incorretamente. | Substitua as pilhas ou verifique a polaridade correta. |
| Digger does not respond to transmitter. | Not paired, out of range, or low transmitter batteries. | Re-pair devices, move closer, or replace transmitter batteries. |
| Alcance operacional curto. | Low batteries in digger or transmitter, or environmental interference. | Replace batteries. Avoid operating near other 2.4 GHz devices or large metal objects. |
| Engine sound not working. | Sound function is switched off. | Press the designated button on the transmitter to activate the engine sound. |
8. Especificações
- Número do modelo: 404920
- Marca: jamara
- Dimensões do produto: 17.72 x 5.91 x 10.24 polegadas (450 x 150 x 260 mm)
- Peso do item: 1.83 libras (800 g)
- Frequência de controle: 2.4 GHz
- Rotação da torre: 660 graus
- Características: Realistic engine sound (switchable), programmable functions, auto switch-off, backwards drive alarm.
- Idade recomendada pelo fabricante: 8 anos ou mais
9. Garantia e Suporte
Jamara products are manufactured to high-quality standards. For warranty information or technical support, please refer to the documentation included with your purchase or visit the official Jamara webPor favor, guarde seu comprovante de compra para eventuais reclamações de garantia.





