DEERC DE28
DEERC DE28 Remote Controlled Helicopter User Manual
Modelis: DE28
1. Įvadas
Ačiū, kad pirkoteasing 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. Saugos priemonės
- Always operate the helicopter in an open area, away from people, pets, and obstacles.
- Neskraidykite šalia elektros linijų, medžių ar vandens.
- Ensure the helicopter battery is fully charged and the remote control batteries are fresh before each flight.
- Laikykite pirštus, plaukus ir laisvus drabužius atokiau nuo besisukančių peilių.
- Rekomenduojama, kad jaunesni nei 14 metų vartotojai būtų prižiūrimi suaugusiųjų.
- Do not attempt to modify or disassemble the helicopter or remote control.
- In case of a crash, immediately turn off the helicopter and remote control. Inspect for damage before attempting another flight.
3. Pakuotės turinys
Patikrinkite, ar pakuotėje yra visi reikalingi daiktai:
- DEERC DE28 RC Helicopter (with built-in rechargeable battery)
- Remote Control (requires 2 "A" batteries, not included)
- USB įkrovimo laidas
- Atsarginės rotoriaus ašmenys
- Atsuktuvas
- Vartotojo vadovas (šis dokumentas)

Figure 2: Package contents overview.
4. Sąranka
4.1 Sraigtasparnio akumuliatoriaus įkrovimas
- Prijunkite USB įkrovimo laidą prie sraigtasparnio įkrovimo prievado.
- 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 Nuotolinio valdymo pulto baterijų įdėjimas
- Atidarykite baterijų skyrių, esantį nuotolinio valdymo pulto gale.
- Insert 2 "A" batteries (not included), ensuring correct polarity (+/-).
- Saugiai uždarykite akumuliatoriaus skyrių.
4.3 Sraigtasparnio ir nuotolinio valdymo pulto susiejimas
- Pastatykite sraigtasparnį ant lygaus, horizontalaus paviršiaus.
- Turn on the helicopter's power switch. The LED lights on the helicopter will flash.
- Įjunkite nuotolinio valdymo pultą. Nuotolinio valdymo pulto indikatoriaus lemputė mirksės.
- Paspauskite kairįjį valdymo svirtį (droselį) iki galo aukštyn, tada iki galo žemyn.
- The indicator lights on both the helicopter and remote control will become solid, indicating successful pairing.
5. Naudojimo instrukcijos
5.1 Nuotolinio valdymo pulto funkcijos

4 pav.: Nuotolinio valdymo pulto išdėstymas.
| Kontrolė | Funkcija |
|---|---|
| Kairysis valdymo svirtis (droselis) | Move up/down to control altitude. |
| Right Joystick (Direction) | Move forward/backward, left/right to control direction. |
| One-Key Takeoff/Landing Button | Press once to automatically take off or land. |
| Greičio režimo mygtukas | Press to cycle through 3 speed levels (low, medium, high). |
| Apkarpymo mygtukai | Adjust for drift (forward/backward, left/right rotation). |
5.2 Pirmasis skrydis
- 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.
- Norėdami valdyti judėjimą pirmyn, atgal, į kairę ir į dešinę, naudokite dešinįjį valdymo svirtį.
- 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 Aukščio palaikymo režimas
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 greičio režimai
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. Priežiūra
- Valymas: Sraigtasparnį valykite minkštu, sausu skudurėliu. Nenaudokite vandens ar cheminių valiklių.
- Ašmenų patikrinimas: Regularly check the rotor blades for any damage or cracks. Replace damaged blades immediately using the provided spare parts and screwdriver.
- Saugykla: Kai nenaudojate sraigtasparnio ir nuotolinio valdymo pulto, laikykite jį vėsioje, sausoje vietoje, toliau nuo tiesioginių saulės spindulių ir ekstremalių temperatūrų. Jei nuotolinio valdymo pultą ilgesnį laiką laikysite, išimkite baterijas.
- Akumuliatoriaus priežiūra: 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. Problemų sprendimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Sraigtasparnis nereaguoja į nuotolinio valdymo pultą. | Not paired; low remote battery; helicopter off. | Re-pair helicopter and remote; replace remote batteries; turn on helicopter. |
| Sraigtasparnis dreifuoja skrydžio metu. | Needs trimming; uneven surface at takeoff. | Use trim buttons to correct drift; ensure takeoff on a flat, level surface. |
| Trumpas skrydžio laikas. | Baterija nėra iki galo įkrauta; sena baterija. | Ensure full charge; consider battery replacement if performance degrades significantly over time. |
| Peiliai nesisuka. | Obstruction; damaged motor/gears. | Check for obstructions; if problem persists, contact customer support. |
8. Specifikacijos
| Funkcija | Detalė |
|---|---|
| Modelis | DE28 |
| Matmenys | 19.99 x 16 x 7.29 cm (7.87 x 6.3 x 2.87 colio) |
| Svoris | 290 gramai (0.64 svaro) |
| Medžiaga | Plastic, Aluminum Alloy Frame |
| Kanalai | 3.5 kanalai |
| Dažnis | 2.4 GHz |
| Skrydžio laikas | Iki 12 minučių |
| Įkrovimo laikas | apytiksliai 60 minučių |
| Sraigtasparnio akumuliatorius | Ličio jonų (įmontuotas) |
| Nuotolinio valdymo pulto baterijos | 2 x "A" batteries (not included) |
| Rekomenduojamas amžius | 14+ metai |

8 pav.: Gaminio matmenys.
9. Garantija ir palaikymas
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 websvetainė, kurioje rasite kontaktinius duomenis.
Išsaugokite pirkimo įrodymą, kad galėtumėte kreiptis dėl garantijos.
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