Flysky FS-iA6, FS-iA6B

Flysky FS-iA6 & FS-iA6B 6-Channel Receiver Instruction Manual

Models: FS-iA6, FS-iA6B

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your Flysky FS-iA6 and FS-iA6B 6-channel 2.4GHz AFHDS 2A remote control receivers. These receivers are designed for use with RC airplanes, gliders, and helicopters, offering reliable and interference-free signal operation. The FS-iA6B model includes additional features such as i-BUS and data acquisition interfaces.

Flysky FS-iA6 and FS-iA6B 6-channel receivers
Figure 1: Flysky FS-iA6 (top) and FS-iA6B (bottom) 6-channel receivers, top view showing ports and labels.

2. Specifications

2.1. FS-iA6 Receiver

FeatureSpecification
Channels6
Frequency Range2.4-2.48 GHz
Number of Bands140
Transmitting Power< 20dBm
Receiver Sensitivity-105dBm
Input Power4.0-6.5V DC
ColorBlack
Dimensions (L x W x H)40 x 20 x 13mm (excluding cable length)
Antenna Cable Length180mm
Net Weight8g
i-BUS InterfaceNo
Data Acquisition InterfaceNo
CertificationCE0678, FCC
UsageRC Airplane / Glider / Helicopter
Compatible TransmitterFlysky FS-iA6
Flysky FS-iA6 receiver dimensions
Figure 2: Dimensions of the Flysky FS-iA6 receiver.

2.2. FS-iA6B Receiver

FeatureSpecification
Channels6
Frequency Range2.4-2.48 GHz
Number of Bands140
Transmitting Power< 20dBm
RF Receiver Sensitivity-105dbm
2.4G ModeAFHDS 2A (Automatic Frequency Hopping Digital System 2A)
EncodingGFSK
Antenna TypeDual Antenna (26mm * 2)
Input Power4.0-6.5V DC
ColorBlack
Dimensions (L x W x H)46 x 25 x 15mm (excluding cable length)
Antenna Cable Length145mm
Net WeightApprox. 16g
i-BUS InterfaceYes
Data Acquisition InterfaceYes
UsageRC Airplane / Glider / Helicopter
Compatible TransmittersFlysky i4, i6, i10, GT2E, GT2F, GT2G
Flysky FS-iA6B receiver side view
Figure 3: Side view of the Flysky FS-iA6B receiver.

3. Package Contents

Upon opening the package, please verify that all items are present and in good condition:

  • 1x Flysky FS-iA6 or FS-iA6B Receiver
  • 1x Bind Plug
Flysky FS-iA6B receiver with antennas and bind plug
Figure 4: Flysky FS-iA6B receiver with dual antennas and bind plug.

4. Setup

4.1. Connecting the Receiver

Connect the receiver to your flight controller or servos according to your model's wiring diagram. Ensure correct polarity for all connections. The receiver operates on 4.0-6.5V DC input power.

  • FS-iA6: Features 6 standard PWM channels (CH1-CH6) and a B/VCC port for power.
  • FS-iA6B: Features 6 standard PWM channels (CH1-CH6), a B/VCC port for power, a SENS port, an I-BUS port, and a PPM/CH1 port.
Flysky FS-iA6 receiver ports
Figure 5: Close-up of Flysky FS-iA6 receiver ports (CH1-CH6, B/VCC).
Flysky FS-iA6B receiver ports
Figure 6: Close-up of Flysky FS-iA6B receiver ports (PPM/CH1, CH2-CH6, SENS, I-BUS, SERVO, B/VCC).

4.2. Binding the Receiver to a Transmitter

The receiver must be bound to your Flysky transmitter (e.g., i4, i6, i10, GT2E, GT2F, GT2G) to establish a secure communication link. Follow these general steps:

  1. Ensure your transmitter is turned off.
  2. Insert the bind plug into the 'B/VCC' port on the receiver.
  3. Connect power to the receiver (e.g., from your flight controller or a separate battery). The receiver's LED should start flashing rapidly, indicating it's in bind mode.
  4. Turn on your transmitter while holding down the 'Bind' button (or follow your specific transmitter's binding procedure).
  5. The receiver's LED should stop flashing and remain solid, indicating a successful bind.
  6. Turn off the receiver power, then remove the bind plug.
  7. Turn off the transmitter.
  8. Power on the transmitter first, then the receiver. The receiver LED should be solid, confirming the link.

Always refer to your specific transmitter's manual for precise binding instructions, as procedures may vary slightly.

5. Operating Instructions

Once successfully bound, the receiver will establish a connection with your transmitter upon power-up. Ensure your transmitter is always powered on before your model to prevent unintended control inputs.

  • Power On Sequence: Always turn on your transmitter first, then power on your RC model (which powers the receiver).
  • Power Off Sequence: Always power off your RC model first, then turn off your transmitter.
  • Signal Reliability: The AFHDS 2A system provides reliable, interference-free operation. Maintain a clear line of sight between the transmitter and receiver antennas for optimal performance.
  • Antenna Placement: For best signal reception, position the receiver antennas at a 90-degree angle to each other, away from carbon fiber, metal, or other conductive materials that could shield the signal.
  • FS-iA6B Specifics: If using the FS-iA6B, the i-BUS and data acquisition interfaces can be used for telemetry and other advanced functions, depending on your flight controller and transmitter capabilities. Consult your flight controller and transmitter manuals for details on utilizing these features.

6. Maintenance

Proper maintenance ensures the longevity and reliable performance of your receiver:

  • Keep Clean: Regularly clean the receiver and its ports with a soft, dry brush or compressed air to remove dust and debris. Avoid using liquids.
  • Protect from Elements: Keep the receiver away from moisture, extreme temperatures, and direct sunlight. If operating in damp conditions, ensure the receiver is adequately protected (e.g., with conformal coating or a waterproof enclosure).
  • Antenna Care: Do not bend or cut the receiver antennas. Ensure they are securely mounted and free from damage. Damaged antennas can significantly reduce range and signal reliability.
  • Cable Inspection: Periodically check all connected cables for signs of wear, fraying, or damage. Replace any damaged cables immediately.
  • Storage: When not in use, store the receiver in a dry, cool place, preferably in its original packaging or an anti-static bag.

7. Troubleshooting

If you encounter issues with your receiver, try the following troubleshooting steps:

  • No Link/Flashing LED:
    • Ensure the receiver is correctly bound to the transmitter (refer to Section 4.2).
    • Check that the transmitter is powered on and within range.
    • Verify power supply to the receiver is within the specified 4.0-6.5V DC range.
    • Inspect all wiring for loose connections or damage.
  • Reduced Range/Interference:
    • Check antenna placement; ensure they are not shielded by carbon fiber or metal and are oriented at 90 degrees to each other.
    • Inspect antennas for any damage or kinks.
    • Ensure no other 2.4GHz devices are causing interference in the immediate vicinity.
  • No Control Input:
    • Confirm the receiver is correctly connected to the flight controller/servos.
    • Verify channel assignments in your transmitter and flight controller software.
    • Ensure the transmitter is in the correct mode (e.g., airplane, helicopter).

8. User Tips

  • Always perform a range check before flying, especially with a new setup or after making changes.
  • Consider using a small piece of heat shrink tubing or tape to secure the bind plug to the receiver when not in use, to prevent accidental loss.
  • For FS-iA6B users, explore the i-BUS and data acquisition features with compatible flight controllers to enhance your flying experience with telemetry data.
  • Keep your transmitter's firmware updated to ensure compatibility and optimal performance with your receiver.

9. Warranty and Support

This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms, technical support, or service inquiries, please contact the retailer or manufacturer directly. Keep your proof of purchase for warranty claims.

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