DEERC DE28
DEERC DE28 RC Helicopter User Manual
Malli: DE28 | Merkki: DEERC
1. Johdanto
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. Turvallisuusohjeet
VAROITUS: Näiden ohjeiden noudattamatta jättäminen voi johtaa loukkaantumiseen tai tuotteen vaurioitumiseen.
- Vain sisäkäyttöön: This helicopter is designed for indoor flight. Do not operate outdoors, as wind can cause loss of control.
- Ikäsuositus: Recommended for users aged 14 years and up. Adult supervision is advised for younger users.
- Clear Flight Path: Ensure the flight area is clear of obstacles, people, and pets. Maintain a safe distance from walls, furniture, and other objects.
- Akun turvallisuus:
- Käytä ainoastaan laitteen mukana toimitettua laturia ja akkuja.
- Älä ylilataa akkuja tai aiheuta oikosulkua.
- Älä altista akkuja äärimmäisille lämpötiloille tai suoralle auringonvalolle.
- If batteries swell or leak, discontinue use immediately and dispose of them properly.
- Roottorin lavat: Keep fingers, hair, and loose clothing away from rotating blades. Do not touch the helicopter while the blades are spinning.
- Valvonta: Always supervise children when they are operating the helicopter.
- Vaikutusten välttäminen: 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.

Kuva: Yliview of the DEERC DE28 RC Helicopter package contents.
Paketin sisältö:
- DEERC DE28 RC Helicopter (1)
- 2.4 GHz:n kaukosäädin (1)
- Rechargeable Helicopter Batteries (2)
- USB-latauskaapeli (1)
- Spare Main Rotor Blades (A & B) (2 sets)
- Spare Tail Rotor Blade (1)
- Ruuvimeisseli (1)
- Extra Helicopter Shell (1)
- Käyttöopas (1)
Komponentin tunnistus:

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.
- Pääroottorin lavat: Provide lift and thrust.
- Tail Rotor Blade: Ohjaa kallistusta (kiertoa pystyakselin ympäri).
- LED-valo: Front-mounted light for visibility and aesthetics.
- Laskeutumisjalakset: Provide stable landing and protect the helicopter.
- Akkulokero: Located on the underside of the helicopter.
- Virtakytkin: On/Off switch for the helicopter.
- Latausportti: USB-latauskaapelin kytkemistä varten.
- Kaukosäädin:
- 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.
- Virtakytkin.

Image: The DEERC DE28 helicopter with its two interchangeable shells, blue/white and red.
4. Asennusopas
4.1 Helikopterin akun lataaminen
- Liitä USB-latauskaapeli helikopterin latausporttiin.
- Plug the other end of the USB cable into a USB power adapter (e.g., computer USB port, phone charger, power bank).
- USB-kaapelin latauksen merkkivalo palaa latauksen aikana ja sammuu, kun akku on täyteen ladattu.
- A full charge typically takes approximately 60-90 minutes. Do not leave charging unattended.
- Irrota kaapeli, kun lataus on valmis.

Image: The helicopter's battery compartment, illustrating the battery and its approximate 12-minute flight time per charge.
4.2 Kaukosäätimen paristojen asentaminen
- Avaa kaukosäätimen takana oleva paristolokero.
- Aseta 3 x AAA-paristoa (eivät sisälly toimitukseen) lokeroon varmistaen oikean napaisuuden (+/-).
- Sulje paristolokeron kansi kunnolla.
4.3 Helikopterin ja kaukosäätimen parittaminen
- Ensure both the helicopter and remote control are fully charged/have fresh batteries.
- Aseta helikopteri tasaiselle ja vaakasuoralle alustalle.
- Kytke helikopterin virta päälle. Helikopterin LED-valot vilkkuvat.
- Turn on the remote control's power switch. The remote control's indicator light will flash.
- 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.
- Jos pariliitos epäonnistuu, sammuta molemmat laitteet ja toista vaiheet.

Image: The 2.4GHz remote control in use, demonstrating its connection to the helicopter.
5. Käyttö
5.1 Lennon perusohjaimet
- Yhden näppäimen lähtö: After pairing, press the One-Key Take-off/Landing button. The helicopter will automatically ascend and hover at a stable altitude.
- Kaasu (vasen sauva ylös/alas): Ohjaa helikopterin korkeutta. Työnnä ylös noustaksesi, vedä alas laskeaksesi.
- Suunta (Vasen sauva vasemmalle/oikealle): 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).
- Korkeuden pito: The helicopter will automatically maintain its current altitude when the throttle stick is released, allowing for easier control.
- Yhden avaimen lasku: 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 Nopeustilat
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:
- Hidas nopeus: Ideal for beginners and indoor flight in confined spaces. Provides stable and gentle control.
- Keskinopeus: A balanced mode for intermediate users, offering more responsiveness.
- Suuri nopeus: 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 LED-valojen ohjaus
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. Huolto
6.1 Puhdistus
- 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 Terän vaihto
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 Varastointi
- Store the helicopter and remote control in a cool, dry place away from direct sunlight and moisture.
- Jos kaukosäädintä säilytetään pitkään, poista paristot siitä vuotojen estämiseksi.
7. Vianmääritys
| Ongelma | Mahdollinen syy | Ratkaisu |
|---|---|---|
| Helikopteri ei reagoi kaukosäätimeen. | Not paired; Low battery (helicopter or remote); Remote control off. | Ensure both are on and paired. Charge helicopter battery. Replace remote control batteries. |
| Helikopteri ei voi nousta ilmaan tai lentää heikosti. | 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. |
| LED-valot eivät toimi. | Helicopter off; Malfunction. | Ensure helicopter is powered on. If still not working, contact support. |
8. Tekniset tiedot
| Ominaisuus | Yksityiskohta |
|---|---|
| Mallinumero | CADE4-DE28 |
| Mitat (P x L x K) | 19.99 x 4.5 x 12.5 cm (7.87 x 1.77 x 4.92 tuumaa) |
| Paino | 290 g |
| Ohjaustaajuus | 2.4 GHz |
| Kanavat | 3.5 CH |
| Lentoaika | Noin 12 minuuttia akkua kohden |
| Latausaika | Noin 60-90 minuuttia |
| Suositeltu ikä | 14 vuotta ja ylöspäin |
| Ominaisuudet | Altitude Hold, One-Key Take-off/Landing, 3 Speed Modes, LED Light, Gyroscope System |

Image: Dimensions of the DEERC DE28 RC Helicopter.
9. Takuu ja tuki
DEERC products are manufactured to high quality standards. For information regarding warranty coverage, returns, or technical support, please refer to the official DEERC websivustolta tai ota yhteyttä suoraan heidän asiakaspalveluunsa.
DEERC Official Websivusto: www.deerc.com
Please have your model number (DE28) and purchase details ready when contacting support.
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