1. Introdución
This manual provides essential information for the safe operation and maintenance of your DEERC DE28 RC Helicopter. Please read this manual thoroughly before operating the helicopter to ensure proper function and to prevent damage or injury. The DEERC DE28 is designed for indoor use and features a durable metal airframe, altitude hold, one-key take-off/landing, and multiple speed modes for various skill levels.

Image: The DEERC DE28 RC Helicopter, its remote control, and two interchangeable body shells (red and blue/white).
2. Pautas de seguridade
ADVERTENCIA: O incumprimento destas instrucións pode provocar lesións ou danos no produto.
- Só para uso en interiores: This helicopter is designed for indoor flight. Do not operate outdoors, as wind can cause loss of control.
- Idade recomendada: Recommended for users aged 14 years and up. Adult supervision is advised for younger users.
- Traxectoria de voo despexada: Ensure the flight area is clear of obstacles, people, and pets. Maintain a safe distance from walls, furniture, and other objects.
- Seguridade da batería:
- Use only the provided charger and batteries.
- Non sobrecargues nin fagas curtocircuítos nas baterías.
- Non expoña as baterías a temperaturas extremas nin á luz solar directa.
- If batteries swell or leak, discontinue use immediately and dispose of them properly.
- Palas do rotor: Keep fingers, hair, and loose clothing away from rotating blades. Do not touch the helicopter while the blades are spinning.
- Supervisión: Always supervise children when they are operating the helicopter.
- Evitación de impactos: While durable, repeated hard impacts can damage the helicopter. Avoid crashing.
3. Package Contents and Component Identification
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact DEERC customer support.

Imaxe: Máis deview of the DEERC DE28 RC Helicopter package contents.
Contido do paquete:
- DEERC DE28 RC Helicopter (1)
- Control remoto de 2.4 GHz (1)
- Rechargeable Helicopter Batteries (2)
- Cable de carga USB (1)
- Spare Main Rotor Blades (A & B) (2 sets)
- Spare Tail Rotor Blade (1)
- Destornillador (1)
- Extra Helicopter Shell (1)
- Manual de usuario (1)
Identificación de compoñentes:

Image: The DEERC DE28 helicopter showcasing its full aluminum alloy body and key features like fast acceleration, altitude hold, one-key takeoff/land, LED light, 2.4GHz, 3 speed modes, gyroscope system, and 2 shells.
- Palas do rotor principal: Provide lift and thrust.
- Tail Rotor Blade: Controls yaw (rotation around vertical axis).
- Luz LED: Front-mounted light for visibility and aesthetics.
- Landing Skids: Provide stable landing and protect the helicopter.
- Compartimento de batería: Located on the underside of the helicopter.
- Interruptor de alimentación: On/Off switch for the helicopter.
- Porto de carga: Para conectar o cable de carga USB.
- Control remoto:
- Left Stick: Throttle (up/down) and Yaw (left/right).
- Right Stick: Forward/Backward, Left/Right Sideways flight.
- One-Key Take-off/Landing Button.
- Speed Mode Button.
- Power Indicator LED.
- Interruptor de alimentación.

Image: The DEERC DE28 helicopter with its two interchangeable shells, blue/white and red.
4. Guía de configuración
4.1 Carga da batería do helicóptero
- Connect the USB charging cable to the helicopter's charging port.
- Plug the other end of the USB cable into a USB power adapter (e.g., computer USB port, phone charger, power bank).
- A luz indicadora de carga do cable USB acenderase durante a carga e apagarase cando estea completamente cargado.
- A full charge typically takes approximately 60-90 minutes. Do not leave charging unattended.
- Desconecte o cable unha vez que se complete a carga.

Image: The helicopter's battery compartment, illustrating the battery and its approximate 12-minute flight time per charge.
4.2 Instalación das pilas do mando a distancia
- Abra o compartimento da batería na parte traseira do control remoto.
- Insert 3 x AAA batteries (not included) into the compartment, ensuring correct polarity (+/-).
- Pecha a tapa do compartimento da batería de forma segura.
4.3 Emparellar o helicóptero e o control remoto
- Ensure both the helicopter and remote control are fully charged/have fresh batteries.
- Coloca o helicóptero sobre unha superficie plana e nivelada.
- Turn on the helicopter's power switch. The helicopter's LED lights will flash.
- Acenda o interruptor de alimentación do mando a distancia. O indicador luminoso do mando a distancia parpadeará.
- Push the left throttle stick (left joystick) all the way up, then pull it all the way down.
- Both the helicopter's and remote control's indicator lights will become solid, indicating successful pairing.
- Se o emparellamento falla, apague ambos dispositivos e repita os pasos.

Image: The 2.4GHz remote control in use, demonstrating its connection to the helicopter.
5. Funcionamento
5.1 Controis básicos de voo
- Despegue cunha soa tecla: After pairing, press the One-Key Take-off/Landing button. The helicopter will automatically ascend and hover at a stable altitude.
- Acelerador (mando esquerdo arriba/abaixo): Controls the helicopter's altitude. Push up to ascend, pull down to descend.
- Yaw (Left Stick Left/Right): Controls the helicopter's rotation. Push left to rotate counter-clockwise, right to rotate clockwise.
- Forward/Backward (Right Stick Up/Down): Controls the helicopter's forward and backward movement.
- Left/Right Sideways (Right Stick Left/Right): Controls the helicopter's sideways movement (strafe).
- Mantemento de altitude: The helicopter will automatically maintain its current altitude when the throttle stick is released, allowing for easier control.
- Aterraxe dunha tecla: During flight, press the One-Key Take-off/Landing button again. The helicopter will slowly descend and land automatically.

Image: The helicopter demonstrating its One-Key Take-off and Altitude Hold features.
5.2 Modos de velocidade
The DEERC DE28 features 3 speed modes to accommodate different skill levels. Press the Speed Mode button on the remote control to cycle through the modes:
- Baixa velocidade: Ideal for beginners and indoor flight in confined spaces. Provides stable and gentle control.
- Velocidade media: A balanced mode for intermediate users, offering more responsiveness.
- Alta velocidade: For experienced pilots seeking maximum agility and faster flight.

Image: The helicopter demonstrating its three speed levels, suitable for both adults and children.
5.3 Control da luz LED
The helicopter is equipped with bright LED lights for enhanced visibility, especially in low-light conditions. The LED lights typically turn on automatically when the helicopter is powered on. Refer to the remote control diagram for any dedicated light control buttons, if available.

Image: The helicopter's front LED light illuminated.
6. Mantemento
6.1 Limpeza
- Always turn off the helicopter and remote control before cleaning.
- Wipe the helicopter with a soft, dry cloth. Do not use water or chemical cleaners, as they may damage the electronics.
- Remove any dust or debris from the rotor blades and motors.
6.2 Substitución da folla
If a rotor blade becomes damaged, it can be replaced using the spare blades provided and the included screwdriver.
- Identify the damaged blade (A or B).
- Carefully unscrew the small screw holding the blade in place.
- Remove the damaged blade.
- Align the new blade (ensure it's the correct A or B type) and secure it with the screw. Do not overtighten.

Image: The durable and flexible design of the helicopter blades.
6.3 Almacenamento
- Store the helicopter and remote control in a cool, dry place away from direct sunlight and moisture.
- Se o garda durante un período prolongado, retire as pilas do mando a distancia para evitar fugas.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O helicóptero non responde ao control remoto. | Not paired; Low battery (helicopter or remote); Remote control off. | Ensure both are on and paired. Charge helicopter battery. Replace remote control batteries. |
| O helicóptero non pode engalar ou voa con debilidade. | Low helicopter battery; Damaged blades; Obstruction. | Charge helicopter battery fully. Replace damaged blades. Clear any obstructions. |
| Helicopter drifts or spins uncontrollably. | Not calibrated on a flat surface; Damaged tail rotor; Strong airflow. | Ensure helicopter is placed on a flat surface for pairing. Check and replace tail rotor if damaged. Fly in a calm environment. |
| As luces LED non funcionan. | Helicopter off; Malfunction. | Ensure helicopter is powered on. If still not working, contact support. |
8. Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | CADE4-DE28 |
| Dimensións (L x W x H) | 19.99 x 4.5 x 12.5 cm (7.87 x 1.77 x 4.92 polgadas) |
| Peso | 290 g |
| Control de frecuencia | 2.4 GHz |
| Canles | 3.5 CH |
| Tempo de voo | Approx. 12 minutes per battery |
| Tempo de carga | Aprox. 60-90 minutos |
| Idade recomendada | 14 anos en diante |
| Características | Altitude Hold, One-Key Take-off/Landing, 3 Speed Modes, LED Light, Gyroscope System |

Image: Dimensions of the DEERC DE28 RC Helicopter.
9. Garantía e soporte
DEERC products are manufactured to high quality standards. For information regarding warranty coverage, returns, or technical support, please refer to the official DEERC websitio web ou póñase en contacto directamente co servizo de atención ao cliente.
Oficial do DEERC Websitio: www.deerc.com
Please have your model number (DE28) and purchase details ready when contacting support.





