Flysky FS-R4M

Flysky FS-R4M 2.4GHz 4-Channel ANT Protocol RC Receiver Instruction Manual

Model: FS-R4M

1. ആമുഖം

The Flysky FS-R4M is a compact 4-channel mini receiver designed for use with RC models, specifically mini and micro cars. It operates on the 2.4GHz ISM band using the advanced ANT protocol, offering reliable bidirectional communication. This receiver features a single external antenna and provides PWM output for control signals.

It is compatible with Flysky transmitters that support the ANT protocol, such as the FS-G7P. Its ultra-small size and lightweight design make it an ideal choice for applications where space and weight are critical considerations.

2. സവിശേഷതകൾ

  • 4-ചാനൽ ഔട്ട്പുട്ട്: Provides four independent PWM channels for controlling various functions.
  • ANT Protocol: Utilizes the advanced ANT 2.4GHz protocol for stable and efficient communication.
  • ദ്വിദിശ ട്രാൻസ്മിഷൻ: Supports two-way communication between the receiver and compatible transmitter.
  • Single External Antenna: Ensures reliable signal reception.
  • കോംപാക്റ്റ് ഡിസൈൻ: Ultra-small dimensions (20.0 x 13.0 x 7.2mm) and lightweight (3g) for easy integration into mini/micro RC models.
  • വിശാലമായ അനുയോജ്യത: Designed for use with Flysky ANT protocol transmitters, such as the FS-G7P.
  • Easy Binding: Facilitates quick and straightforward pairing with compatible transmitters.
  • Online Update Support: Allows for firmware updates to enhance performance and features.

3. ഉൽപ്പന്നം കഴിഞ്ഞുview

Familiarize yourself with the components and layout of the FS-R4M receiver.

Diagram of Flysky FS-R4M receiver components with numbered labels

Figure 1: FS-R4M Receiver Component Diagram

  • [1] CH1: Channel 1 PWM Output
  • [2] CH2: Channel 2 PWM Output
  • [3] CH3: Channel 3 PWM Output
  • [4] CH4: Channel 4 PWM Output
  • [5] Antenna: Single external antenna for signal reception.
  • [6] LED: സ്റ്റാറ്റസ് ഇൻഡിക്കേറ്റർ ലൈറ്റ്.
  • [7] Signal pin: Output for control signal.
  • [8] Power anode: Positive power input.
  • [9] Power cathode: Negative power input (Ground).

കുറിപ്പ്: The interface specifications for the connectors are ZH1.5mm-3P, commonly known as JST-PH2.0. Standard RC servo connectors (Futaba style) are not directly compatible and will require adapter cables or modification.

Flysky FS-R4M receiver shown with four adapter cables

Figure 2: FS-R4M Receiver with Adapter Cables
This image illustrates the FS-R4M receiver alongside the necessary adapter cables for connecting to standard RC components. The receiver's ports are designed for ZH1.5mm-3P (JST-PH2.0) connectors.

4. Setup and Binding

4.1 വയറിംഗ് കണക്ഷനുകൾ

Connect your servos, Electronic Speed Controller (ESC), and other components to the corresponding channels on the FS-R4M receiver. Ensure correct polarity for power connections (Power anode [8] for positive, Power cathode [9] for negative/ground, Signal pin [7] for signal).

As noted in the product overview, the receiver uses ZH1.5mm-3P (JST-PH2.0) connectors. If your servos or ESC use standard Futaba-style connectors, you will need to use appropriate adapter cables or modify the connectors. Ensure all connections are secure before proceeding.

ക്ലോസ് അപ്പ് view of the Flysky FS-R4M receiver's four channel ports

Figure 3: Receiver Channel Ports
എ വിശദമായി view of the four channel ports on the FS-R4M receiver, highlighting their compact design.

4.2 ബൈൻഡിംഗ് നടപടിക്രമം

The binding process links your FS-R4M receiver to your Flysky ANT protocol transmitter. Refer to your specific transmitter's manual for detailed binding instructions, as procedures may vary slightly. A general binding sequence is as follows:

  1. Ensure your transmitter is powered off.
  2. Connect power to the FS-R4M receiver. The LED [6] on the receiver will typically flash, indicating it is in binding mode or awaiting a signal.
  3. Place your transmitter into binding mode. This usually involves holding a specific button (e.g., "BIND" button) while powering on the transmitter. Consult your transmitter's manual for the exact steps.
  4. Once the receiver and transmitter successfully bind, the LED on the receiver will change to a solid state, indicating a successful connection.
  5. Release the bind button on the transmitter and power cycle both the transmitter and receiver to confirm the binding.

If binding fails, ensure the receiver is within range of the transmitter and that both devices are using the ANT protocol. Repeat the steps if necessary.

5. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

After successful binding, the FS-R4M receiver will output PWM signals corresponding to the commands from your transmitter. Ensure all control surfaces and functions respond correctly before operating your RC model.

  • പവർ ഓൺ സീക്വൻസ്: Always power on your transmitter first, then the receiver. When powering off, disconnect power from the receiver first, then power off the transmitter.
  • റേഞ്ച് ചെക്ക്: Perform a range check before each use, especially in new environments, to ensure reliable signal strength.
  • ഇടപെടൽ: Avoid operating near sources of 2.4GHz interference (e.g., Wi-Fi routers, other 2.4GHz RC systems) to prevent signal loss.

6. പരിപാലനം

Proper care and maintenance will extend the lifespan of your FS-R4M receiver.

  • പരിസ്ഥിതി വ്യവസ്ഥകൾ: Operate and store the receiver within the specified temperature range of -10°C to +60°C and humidity limit of 20% to 95%. Avoid extreme temperatures and high humidity.
  • വാല്യംtage and Safety: Always pay attention to the input voltage range (3.5-9V/DC) and ensure it is not exceeded. Incorrect voltage can damage the receiver.
  • വൃത്തിയാക്കൽ: റിസീവർ വൃത്തിയായും പൊടി, അഴുക്ക്, ഈർപ്പം എന്നിവയിൽ നിന്ന് മുക്തമായും സൂക്ഷിക്കുക. വൃത്തിയാക്കാൻ മൃദുവായതും ഉണങ്ങിയതുമായ തുണി ഉപയോഗിക്കുക. ലായകങ്ങളോ കഠിനമായ രാസവസ്തുക്കളോ ഉപയോഗിക്കുന്നത് ഒഴിവാക്കുക.
  • ആന്റിന കെയർ: Ensure the antenna is not cut, bent sharply, or damaged. A damaged antenna can significantly reduce range and signal reliability.
  • ഫേംവെയർ അപ്‌ഡേറ്റുകൾ: The receiver supports online updates. Periodically check the official Flysky website for available firmware updates to ensure optimal performance and access to new features.

7. പ്രശ്‌നപരിഹാരം

If you encounter issues with your FS-R4M receiver, consider the following troubleshooting steps:

  • Receiver Not Binding:
    • Ensure both the transmitter and receiver are powered on and within close proximity during the binding process.
    • Verify that your transmitter supports the ANT protocol.
    • Check the LED status on the receiver; it should indicate binding mode (e.g., flashing).
    • Refer to your transmitter's manual for specific binding instructions.
  • നിയന്ത്രണ പ്രതികരണമില്ല:
    • Confirm the receiver is successfully bound to the transmitter (solid LED).
    • Check all wiring connections between the receiver, ESC, and servos for correct polarity and secure fit.
    • Ensure the power supply to the receiver is within the specified voltage range (3.5-9V/DC).
    • Verify that the transmitter is powered on and functioning correctly.
  • Short Range or Intermittent Signal:
    • Inspect the receiver antenna for any damage, kinks, or improper routing. Ensure it is positioned away from metal objects.
    • ഉയർന്ന 2.4GHz ഇടപെടൽ ഉള്ള പ്രദേശങ്ങളിൽ പ്രവർത്തിക്കുന്നത് ഒഴിവാക്കുക.
    • Ensure the transmitter's battery is adequately charged.
  • LED ഇൻഡിക്കേറ്റർ പ്രശ്നങ്ങൾ:
    • If the LED does not light up, check the power connection to the receiver.
    • Refer to the transmitter manual for specific LED indications during binding and operation.

8 സ്പെസിഫിക്കേഷനുകൾ

ഫീച്ചർ സ്പെസിഫിക്കേഷൻ
ഉൽപ്പന്ന മോഡൽ FS-R4M
Adaptive Transmitters Transmitters with ANT protocol (e.g., Flysky FS-G7P)
അഡാപ്റ്റീവ് മോഡലുകൾ Mini/Micro RC Cars
ചാനലുകളുടെ എണ്ണം 4
RF ഫ്രീക്വൻസി 2.4GHz ISM
പരമാവധി പവർ <10dBm (eirp) (EU)
ആൻ്റിന തരം സിംഗിൾ എക്സ്റ്റേണൽ ആന്റിന
Distance (Ground) >50 മി
2.4G പ്രോട്ടോക്കോൾ എ.എൻ.ടി
റെസലൂഷൻ 1024
ഡാറ്റ ഔട്ട്പുട്ട് പി.ഡബ്ല്യു.എം
ഇൻപുട്ട് വോളിയംtagഇ റേഞ്ച് 3.5-9V/DC
ഓൺലൈൻ അപ്ഡേറ്റ് അതെ
താപനില പരിധി -10°C മുതൽ +60°C വരെ
ഈർപ്പം പരിധി 20% മുതൽ 95% വരെ
അളവുകൾ (L*W*H) 20.0 x 13.0 x 7.2 മിമി
ഭാരം 3g
സർട്ടിഫിക്കേഷൻ CE, FCC ID: 2A2UNR4M00
ഇൻ്റർഫേസ് തരം ZH1.5mm-3P (JST-PH2.0)

9. വാറൻ്റിയും പിന്തുണയും

വാറന്റി വിവരങ്ങൾക്ക്, വാങ്ങുന്ന സമയത്ത് നിങ്ങളുടെ റീട്ടെയിലറോ നിർമ്മാതാവോ നൽകിയ നിബന്ധനകളും വ്യവസ്ഥകളും ദയവായി പരിശോധിക്കുക. ഏതെങ്കിലും വാറന്റി ക്ലെയിമുകൾക്കായി നിങ്ങളുടെ വാങ്ങിയതിന്റെ തെളിവ് സൂക്ഷിക്കുക.

For technical support, firmware updates, and additional product information, please visit the official Flysky webസൈറ്റ്:

www.flysky-cn.com

You may also contact your point of purchase for assistance.

© 2026 Flysky. All rights reserved. Information subject to change without notice.

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