DEERC DE28
DEERC DE28 Remote Controlled Helicopter User Manual
Modellu: DE28
1. Introduzione
Grazie per l'acquistuasing the DEERC DE28 Remote Controlled Helicopter. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your new helicopter. Please read this manual thoroughly before first use to ensure proper function and to maximize your flying experience.
The DEERC DE28 is designed for beginners, featuring precise 3.5-channel control, automatic hover mode, and gyro stabilization for stable flight. Its robust aluminum construction and impact-resistant ABS rotors ensure durability, making it suitable for indoor and outdoor use (in calm conditions). The helicopter also includes an LED navigation system for enhanced visibility and offers up to 12 minutes of flight time on a single charge.

Figure 1: DEERC DE28 Remote Controlled Helicopter with included accessories.
2. Precauzioni di sicurità
- Always operate the helicopter in an open area, away from people, pets, and obstacles.
- Ùn vulate micca vicinu à e linee elettriche, à l'arburi o à l'acqua.
- Ensure the helicopter battery is fully charged and the remote control batteries are fresh before each flight.
- Tenite e dite, i capelli è i vestiti larghi luntanu da e lame in rotazione.
- A supervisione di un adultu hè cunsigliata per l'utilizatori di menu di 14 anni.
- Ùn pruvate micca di mudificà o di smuntà l'elicotteru o u telecomandu.
- In case of a crash, immediately turn off the helicopter and remote control. Inspect for damage before attempting another flight.
3. Cuntenutu di u pacchettu
Verificate chì tutti l'articuli sò presenti in u pacchettu:
- DEERC DE28 RC Helicopter (with built-in rechargeable battery)
- Remote Control (requires 2 "A" batteries, not included)
- Cavu di carica USB
- Pale di rotore di riserva
- cacciavite
- Manuale d'uso (stu documentu)

Figure 2: Package contents overview.
4. Setup
4.1 Caricamentu di a batteria di l'elicotteru
- Cunnette u cavu di carica USB à u portu di carica di l'elicotteru.
- Plug the other end of the USB cable into a USB power adapter (e.g., computer USB port, wall adapter).
- The charging indicator light will show the charging status (refer to the helicopter's specific LED behavior for full charge indication).
- Charging typically takes about 60 minutes for up to 12 minutes of flight time. Do not overcharge.

Figure 3: Charging the helicopter battery.
4.2 Installazione di e batterie di u telecomandu
- Aprite u compartmentu di a bateria in u spinu di u telecomando.
- Insert 2 "A" batteries (not included), ensuring correct polarity (+/-).
- Chiude u compartimentu di a batteria in modu sicuru.
4.3 Accoppiamentu di l'elicotteru è di u telecomandu
- Pone l'elicotteru nantu à una superficia piana è livellata.
- Turn on the helicopter's power switch. The LED lights on the helicopter will flash.
- Accendete u telecomandu. A luce indicatrice di u telecomandu lampeggerà.
- Spinghje u joystick sinistro (acceleratore) finu in sù, poi finu in giù.
- The indicator lights on both the helicopter and remote control will become solid, indicating successful pairing.
5. Operating Instructions
5.1 Funzioni Control Remote

Figura 4: Disposizione di u telecomandu.
| Cuntrolla | Funzione |
|---|---|
| Joystick sinistro (acceleratore) | Move up/down to control altitude. |
| Right Joystick (Direction) | Move forward/backward, left/right to control direction. |
| Buttone di decollo/atterraggio à una sola chjave | Press once to automatically take off or land. |
| Pulsante di Modu di Velocità | Press to cycle through 3 speed levels (low, medium, high). |
| Trim Buttons | Adjust for drift (forward/backward, left/right rotation). |
5.2 First Flight
- Ensure the helicopter is paired and on a flat surface.
- Press the One-Key Takeoff/Landing button. The helicopter will automatically ascend and hover at a stable altitude.
- Use the right joystick to control forward, backward, left, and right movement.
- Use the left joystick to adjust altitude.
- If the helicopter drifts, use the trim buttons to correct its flight path.
- To land, press the One-Key Takeoff/Landing button again. The helicopter will automatically descend and land.

Figure 5: One-Key Takeoff and Altitude Hold in action.
5.3 Altitude Hold Mode
The integrated altitude sensor allows the helicopter to maintain a stable height when the throttle joystick is released. This feature is particularly useful for beginners and for precise positioning during flight.
5.4 Modi di velocità
The DE28 offers 3 speed levels. Press the speed mode button on the remote control to switch between them. Start with the lowest speed for learning and gradually increase as you gain experience.

Figure 6: Key features of the DEERC DE28 helicopter.
6. Mantenimentu
- Pulizia: Aduprate un pannu dolce è asciuttu per pulisce l'elicotteru. Ùn aduprate micca acqua o detergenti chimichi.
- Ispezione di lame: Regularly check the rotor blades for any damage or cracks. Replace damaged blades immediately using the provided spare parts and screwdriver.
- Conservazione: Quandu ùn hè micca in usu, cunservate l'elicotteru è u telecomandu in un locu frescu è asciuttu, luntanu da a luce diretta di u sole è da temperature estreme. Eliminate e batterie da u telecomandu s'ellu hè almacenatu per periodi prolungati.
- Cura di a batteria: Do not leave the battery charging unattended. Disconnect the charger once the battery is full. Avoid fully discharging the battery to prolong its lifespan.

Figure 7: Durable blade construction for longevity.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| L'elicotteru ùn risponde micca à u telecomandu. | Not paired; low remote battery; helicopter off. | Re-pair helicopter and remote; replace remote batteries; turn on helicopter. |
| L'elicotteru si move à a deriva durante u volu. | Needs trimming; uneven surface at takeoff. | Use trim buttons to correct drift; ensure takeoff on a flat, level surface. |
| Cortu tempu di volu. | Batteria micca cumpletamente carica; batteria vechja. | Ensure full charge; consider battery replacement if performance degrades significantly over time. |
| E lame ùn giranu micca. | Obstruction; damaged motor/gears. | Check for obstructions; if problem persists, contact customer support. |
8. Specificazioni
| Feature | Detail |
|---|---|
| Mudellu | DE28 |
| Dimensioni | 19.99 x 16 x 7.29 cm (7.87 x 6.3 x 2.87 inch) |
| Pesu | 290 grammi (0.64 lbs) |
| Materiale | Plastic, Aluminum Alloy Frame |
| Canali | 3.5 canali |
| Frequency | 2.4 GHz |
| Tempu di volu | Finu à 12 minuti |
| Tempu di carica | Circa. 60 minuti |
| Batteria di l'elicotteru | Lithium-Ion (built-in) |
| Batterie di cuntrollu remoto | 2 x "A" batteries (not included) |
| Età consigliata | 14+ anni |

Figura 8: Dimensioni di u produttu.
9. Garanzia è Support
DEERC products are manufactured to high quality standards and undergo rigorous testing. All DEERC helicopters have passed multiple tests and hold necessary certifications, ensuring product safety and quality.
For warranty information, technical support, or any questions regarding your DEERC DE28 helicopter, please contact DEERC customer service through the retailer where you purchased the product or visit the official DEERC websitu per i dati di cuntattu.
Per piacè conservate a vostra prova di compra per rivendicazioni di garanzia.