1. Pwodwi souview
The SIMREX X42 is a foldable 4K drone designed for both beginners and experienced pilots. It features a 4K UHD camera for real-time FPV, brushless motors for stable flight, and various intelligent flight modes.

Image 1.1: The SIMREX X42 drone, its remote control, and two included batteries.
Videyo 1.1: Yon overview of the SIMREX X42 Brushless Motor FPV Drone, highlighting its features and flight capabilities.
2. Gid Enstalasyon
2.1 Batri Chaje
Ensure both the aircraft battery and the remote control are fully charged before use.
- Batri avyon: Insert the battery into the USB charging cable. The red light will turn off once fully charged.
- Kontwòl Remote: Insert the remote control into the USB charging cable. The red light will turn off once fully charged.
2.2 Asanblaj Dròn
- Expand the Drone: Carefully unfold the drone arms until they lock into position.
- Enstale pil: Distinguish between the front and back sides of the battery. Insert the battery into the drone's battery compartment. To remove, press and hold the button at the bottom of the battery.
- Install Protective Frame: Align the protective frame with the position of the aircraft arm and install it securely.
2.3 Frequency Matching & Calibration
- Power On Aircraft: Turn on the aircraft power switch. The aircraft lights will flash.
- Pouvwa sou kontwòl remote: Turn on the power switch of the remote control. The buzzer will emit two beeps, and the aircraft lights will become longer and brighter, indicating that frequency matching is complete.
- Kalibrasyon: Simultaneously turn both control sticks on the remote control to the lower-left corner. The aircraft lights will flash and then remain on, indicating that calibration is complete.

Image 2.1: Performing pre-flight calibration by moving both remote control sticks to the lower-left position.
2.4 Mobile App Installation & Connection
- Install Phone Rack: Pull out the bracket on the remote control and install your smartphone securely.
- Telechaje App: Scan the QR code in the instruction manual to download and install the corresponding SIMREX drone app (e.g., SIMREX Zoomy).
- Konekte WiFi: Open your mobile phone's WiFi settings and connect to the WiFi signal emitted by the drone (e.g., SIMREX-X42-cafc29).
- Lanse Aplikasyon: Open the drone app after a successful WiFi connection.
3. Operasyon Enstriksyon
3.1 Kontwòl vòl debaz yo
- Dekolaj/Aterisaj ak yon sèl Klik: Short press the takeoff/landing button on the remote control. The aircraft will automatically ascend or descend.
- Altitude Control (Left Stick Up/Down): Pushing the left control lever upwards or downwards will make the aircraft rise or fall.
- Yaw Control (Left Stick Left/Right): Pushing the left control lever to the left or right will make the aircraft turn left or right.
- Forward/Backward Flight (Right Stick Up/Down): Pushing the right control lever upwards or downwards will make the aircraft fly forward or backward.
- Left/Right Flight (Right Stick Left/Right): Pushing the right control lever to the left or right will make the aircraft fly to the left or right.
3.2 Karakteristik Vòl Avanse
- Ajisteman vitès: Press the gear button on the remote control to cycle through three available speed settings (Low, Medium, High).
- Vire 360°: Click the roll button and move the right joystick in any direction to perform a 360° flip.
- Mòd san tèt: In headless mode, the drone's orientation is relative to the pilot, making it easier to control without worrying about the drone's front direction.
- Optical Flow Positioning & Altitude Hold: These features ensure stable hovering and steady flight, ideal for capturing clear photos and videos.
- Trajectory Flight (Tap Fly): Plan a custom flight path directly on your smartphone screen, and the drone will follow it automatically.

Image 3.1: Visual representation of the drone's three speed modes, one-key takeoff/landing, headless mode, and optical flow positioning.

Image 3.2: The drone executing a 360° flip and navigating a pre-set Waypoints Fly route.
3.3 Operasyon Kamera
- 4K UHD Camera & Real-Time FPV: The drone is equipped with a 4K UHD camera that provides live WiFi FPV directly to your smartphone app.
- Camera Up/Down Adjustment: By pressing the dedicated button on the remote control, the camera angle can be fine-tuned up or down.
- Pran Ekran: Short press the camera button on the remote control. The mobile app will automatically take photos. Alternatively, use gesture control (V-gesture) for photos.
- Dosye videyo: Short press the video button on the remote control. The mobile app will automatically record videos. Alternatively, use gesture control (palm gesture) for videos.
- Kontwòl vwa: Control your drone hands-free with voice commands for various actions, including taking photos and videos.

Image 3.3: The drone's voice control feature, showing commands such as 'Forward', 'Down', 'Left', 'Right', 'Backward', 'Fly', and 'Stop'.

Image 3.4: Demonstrating gesture controls for the drone's camera: a 'V' gesture to take photos and a palm gesture to record video.
4. Antretyen
- Swen batri: Always use the provided charging cable. Do not overcharge or completely drain the batteries. Store batteries in a cool, dry place when not in use.
- Enspeksyon elis: Regularly check propellers for any damage (cracks, bends). Replace damaged propellers immediately using the spare parts provided.
- Netwayaj: Sèvi ak yon twal mou epi sèk pou netwaye kò dron an ak lantiy kamera a. Evite itilize pwodui chimik oswa likid ki agresif.
- Depo: Fold the drone arms for compact storage when not in use.
NAN. Depanaj
If you encounter any issues, please refer to the following common solutions or contact customer support.
- Dròn nan pa reponn: Ensure both the drone and remote control are fully charged and properly paired. Re-perform frequency matching and calibration.
- Poor Video Quality/Connection: Ensure your smartphone is connected to the drone's WiFi network. Minimize interference by flying in open areas away from other WiFi signals.
- Tan vòl kout: Ensure batteries are fully charged. Flight time can be affected by aggressive flying, wind conditions, and temperature.
- Ijans Stop: The drone features an emergency stop function for immediate shutdown in critical situations.
- Signal-Loss Auto Landing: If signal is lost, the drone is designed to auto-land within 3 seconds to prevent uncontrolled flight.
- Motor Stuck-Rotor Protection: This feature helps prevent motor damage if a propeller is obstructed.
6. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Nimewo Modèl | X42 |
| Dimansyon pwodwi | 7.87 x 3.23 x 7.68 pous |
| Pwa atik | 1.17 pounds (approx. 139g for drone only) |
| Kamera | 4K UHD, WiFi FPV, 90° Adjustable |
| Kalite motè | Motè Brushless |
| Flight Features | Optical Flow Positioning, Altitude Hold, Headless Mode, 3 Speed Settings, 360° Flips, Gesture Control, Voice Control, Trajectory Flight |
| Batri | 2 AA batteries required (included for remote), 2 drone batteries (included) |
| Manifakti laj rekòmande | 14 ane ak plis |

Image 6.1: The brushless motor design, offering enhanced performance and durability.

Image 6.2: The drone's foldable design and lightweight nature (approximately 139g).
7. Garanti ak sipò
For any issues or further assistance, our dedicated support team is available 24/7. Please refer to the full manual, quick start guide, or operation videos for comprehensive pre-flight support.
Video 7.1: Product Introduction Video by Simrex, providing an overview of the drone's features and benefits.




