1. Introduktion og overview
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Flysky FS-R9B 2.4G 8-channel receiver. The FS-R9B receiver is designed for use with Flysky FS-TH9X 9-channel transmitters and is suitable for various RC models, including gliders, helicopters, and airplanes. Please read this manual thoroughly before using the product to ensure safe and efficient operation.

Billede 1.1: Forside view of the Flysky FS-R9B 8-channel receiver, showing the model number, CE certification, and channel labels.
2. Funktioner
- 8 kanaler: Supports up to 8 independent control channels.
- 2.4G AFHDS System: Utilizes Flysky's Automatic Frequency Hopping Digital System for reliable communication.
- Bred kompatibilitet: Designed for RC gliders, helicopters, and airplanes.
- Høj opløsning: 1024-step resolution for precise control.
- Robust RF Range: Opererer inden for frekvensbåndet 2.40-2.48 GHz.
- Kompakt og let: Small form factor (42.7 x 27 x 15mm) and light weight (11.3g) for easy integration.
- Wide Input Voltage: Supports 4.5-6.5V DC input power.
- Certificeret: CE and FCC certified for quality and safety.
3. Specifikationer
| Specifikation | Værdi |
|---|---|
| Kanaler | 8 kanaler |
| Model Type | Glider, Helicopter, Airplane |
| RF rækkevidde | 2.40-2.48 GHz |
| Båndbredde | 500 Hz |
| Band | 160 |
| Modtagelse af følsomhed | -105dBm |
| 2.4G system | AFHDS (Automatisk frekvenshoppende digitalt system) |
| Kodetype | GFSK |
| Opløsning | 1024 |
| Indgangseffekt | 4.5-6.5V DC |
| Antennens længde | 26 mm |
| Vægt | 11.3 g |
| Dimensioner (L x B x H) | 42.7 x 27 x 15 mm |
| Farve | Grå gennemsigtig |
| Certifikater | CE, FCC |
| Varemodelnummer | Fs-r8b (Note: Product title indicates FS-R9B, but item model number is Fs-r8b. Please verify with product packaging.) |
4. Opsætning og binding
The binding process establishes a secure communication link between your Flysky FS-TH9X transmitter and the FS-R9B receiver. This procedure must be performed correctly for the system to operate.

Billede 4.1: Nærbillede view of the Flysky FS-R9B receiver's channel ports (CH1-CH8) and the BIND/BAT port.

Image 4.2: The bind plug, used to initiate the binding process on the receiver.
Bindende procedure:
- Forbered senderen: Ensure your Flysky FS-TH9X transmitter is powered off.
- Connect Bind Plug: Insert the bind plug (as shown in Image 4.2) into the 'BIND/BAT' port on the FS-R9B receiver (refer to Image 4.1).
- Power Receiver: Connect a power source (4.5-6.5V DC) to any other channel port on the receiver. The receiver's LED indicator should start flashing rapidly, indicating it is in binding mode.
- Activate Transmitter Binding: While holding the 'BIND' button on your FS-TH9X transmitter, power on the transmitter. Continue holding the 'BIND' button until the receiver's LED changes its behavior (e.g., stops flashing rapidly and becomes solid or flashes slowly).
- Bekræft binding: Once the receiver's LED indicates successful binding (usually a solid light), release the 'BIND' button on the transmitter.
- Fjern bindeproppen: Power off the receiver, then remove the bind plug from the 'BIND/BAT' port.
- Test system: Power on the transmitter first, then the receiver. The receiver's LED should illuminate solidly, indicating a successful connection. Test all control surfaces and functions to ensure proper operation.
If the binding process fails, repeat the steps carefully. Ensure both the transmitter and receiver are within close proximity during binding.

Image 4.3: The FS-R9B receiver with its antenna extended and a bind plug inserted into the BIND/BAT port, ready for the binding process.
5. Betjeningsvejledning
After successful binding, connect your servos, Electronic Speed Controllers (ESCs), and other components to the appropriate channels on the FS-R9B receiver.

Image 5.1: The FS-R9B receiver showing its antenna and the clearly labeled channel ports (CH1-CH8) for connecting various RC components.
Tilslutningsvejledning:
- Kanal 1 (CH1): Typically Aileron
- Kanal 2 (CH2): Typically Elevator
- Kanal 3 (CH3): Typically Throttle (connect ESC here)
- Kanal 4 (CH4): Typically Rudder
- Kanaler 5-8 (CH5-CH8): Auxiliary channels for flaps, landing gear, lights, etc.
- BIND/BAT Port: Used for binding and can also serve as an additional power input if not used for binding.
Powering On/Off Sequence:
- Tænd altid din transmitter first.
- Then, power on your modtager (via the ESC or a dedicated battery).
- When powering off, always power off your receiver first.
- Then, power off your sender.
Following this sequence prevents unintended control inputs or loss of control during power cycles.
6. Vedligeholdelse
Proper maintenance ensures the longevity and reliable performance of your FS-R9B receiver.
- Hold rent: Rengør regelmæssigt receiveren udvendigt med en blød, tør klud. Undgå at bruge opløsningsmidler eller skrappe kemikalier.
- Beskyt mod elementer: Shield the receiver from moisture, dust, and extreme temperatures. Consider using a waterproof enclosure if operating in damp forhold.
- Sikker montering: Ensure the receiver is securely mounted within your model to prevent vibrations from affecting its performance or causing damage. Use foam or double-sided tape to dampda vibrationer.
- Antenneplacering: Position the antenna away from metal objects and carbon fiber structures to maximize signal reception. Ensure the antenna is not kinked or damaged.
- Undersøg forbindelser: Periodically check all wire connections to the receiver for looseness or damage.
7. Fejlfinding
If you encounter issues with your FS-R9B receiver, refer to the following troubleshooting guide:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Receiver LED not solid after powering on | Not bound to transmitter, transmitter off, or out of range. | Perform binding procedure again. Ensure transmitter is on and within range. Check power supply to receiver. |
| Intet kontrolsvar | Incorrect servo/ESC connection, receiver not bound, or faulty component. | Verify all connections are correct. Re-bind the receiver. Test components individually if possible. |
| Reduceret rækkevidde eller intermitterende signal | Antenna obstruction/damage, interference, or low transmitter/receiver battery. | Check antenna for damage and proper placement. Avoid operating near strong interference sources. Ensure batteries are fully charged. |
| Binding fails repeatedly | Incorrect binding procedure, faulty bind plug, or incompatible transmitter. | Review and repeat the binding steps carefully. Try a different bind plug. Confirm transmitter compatibility (FS-TH9X). |
8. Sikkerhedsoplysninger
Operating RC equipment requires adherence to safety guidelines to prevent injury or damage.
- Always operate RC models in open areas, away from people, animals, and property.
- Ensure all batteries are fully charged before operation.
- Perform a range check before each flight or operation.
- Brug aldrig fjernstyrede modeller i nærheden af højspændingsledninger, veje eller lufthavne.
- Keep hands and loose clothing away from propellers and moving parts.
- If you are new to RC, seek guidance from experienced hobbyists or join a local RC club.
- Dette produkt anbefales til brugere fra 14 år og opefter.
9. Garanti og support
For warranty information or technical support regarding your Flysky FS-R9B receiver, please refer to the documentation provided with your purchase or contact Flysky customer service directly. Keep your proof of purchase for warranty claims.