導入
This manual provides essential information for the proper setup, operation, and maintenance of your LDARC X-BOSS AC900 S-FHSS D16 Dual Mode Receiver. Please read these instructions carefully before use to ensure optimal performance and safety.
製品終了view
The LDARC X-BOSS AC900 is a compact and high-performance dual-mode receiver designed for remote control applications. It offers compatibility with both S-FHSS and D16 (Non-EU/EU-LBT) protocols, providing flexibility for various transmitters. Key features include a Low Noise Amplifier (LNA) for improved signal reception and Real-Time RSSI (Received Signal Strength Indicator) output for monitoring signal quality.
This receiver is engineered for reliability, stable signal links, and high sensitivity, making it suitable for demanding RC environments.

図1: トップダウン view of the LDARC X-BOSS AC900 receiver, showing its compact size and integrated antenna.
仕様
- アイテム: AC900 Receiver
- 重さ: 0.9グラム
- 寸法: 10mm×16.5mm
- 営業巻tage: 4-6V
- Working Range (Air): >500m (without electromagnetic interference)
- Working Range (Ground): ~200m (without obstructions)
- LNA(低ノイズ Amplifier): はい
- RSSI(受信信号強度表示): はい
- 作業モード: S-FHSS / D16 (Non-EU) / D16 (EU-LBT)
- Real-Time RSSI Compatibility: F3, F4, F7 flight controllers, etc.
- パッケージ内容: 1x LDARC X-BOSS AC900 Receiver

図 2: 拡大図 view of the AC900 receiver's components, highlighting its compact design.
Setup: Binding Procedure
To establish communication between your transmitter and the AC900 receiver, a binding procedure is required. Follow these steps carefully:
- 送信機の準備: Power on your RC transmitter and set it to the desired protocol (either S-FHSS or D16, depending on your region and setup). Ensure your transmitter is in bind mode as per its own instruction manual.
- Power Receiver in Bind Mode: While pressing and holding the bind button on the AC900 receiver, connect power (4-6V) to the receiver.
- LEDを観察します: The green LED on the receiver will begin to blink rapidly, indicating it has entered bind mode. You may now release the bind button.
- 完全製本: Follow the remaining steps on your transmitter to complete the binding process.
- 接続を確認します: Once binding is successful, the green LED on the AC900 receiver should turn solid, indicating a stable connection. If the LED continues to blink slowly, the binding may have failed, or the signal is lost.

Figure 3: The AC900 receiver shown with its binding instructions, illustrating the LED indicators and bind button location.
Operating Modes and LED Indicators
The AC900 receiver supports multiple operating modes and provides visual feedback through its LED indicators:
- S-FHSS Mode: Compatible with Futaba S-FHSS protocol transmitters.
- D16 Mode (Non-EU): Compatible with FrSky D16 protocol transmitters (non-European firmware).
- D16 Mode (EU-LBT): Compatible with FrSky D16 protocol transmitters (European LBT firmware).
LEDステータスインジケータ:
- 緑色の LED が点灯: Indicates a successful bind and stable signal reception from the transmitter.
- Rapid Green Blinking LED: The receiver is in bind mode, awaiting connection with a transmitter.
- Slow Green Blinking LED: Indicates a loss of signal from the transmitter or that the receiver has entered failsafe mode.
- First Blink (upon power-up): The color of the first blink indicates the detected receive mode (e.g., Red for Futaba S-FHSS, Green for FrSky D16, as per some documentation).
メンテナンス
To ensure the longevity and reliable performance of your AC900 receiver, observe the following maintenance guidelines:
- 乾燥を保つ: 受信機を湿気や湿気から保護してください。水による損傷は故障の原因となる可能性があります。
- 清潔さ: Periodically inspect the receiver for dust or debris. Use a soft, dry brush or compressed air to gently clean the board. Avoid using liquids.
- アンテナ検査: Regularly check the antenna for any damage, kinks, or frayed wires. A damaged antenna can significantly reduce range and signal quality.
- 接続の整合性: Ensure all connections to the receiver (power, signal) are secure and free from corrosion.
- 身体的ストレスを避ける: Mount the receiver securely to prevent vibrations or impacts that could damage internal components.
トラブルシューティング
If you encounter issues with your AC900 receiver, consider the following common troubleshooting steps:
- 受信者がバインドされていません:
- Ensure your transmitter is set to the correct protocol (S-FHSS or D16) and is in bind mode.
- Verify that you are pressing the bind button on the receiver while applying power.
- Check the power supply to the receiver (must be 4-6V).
- バインドプロセス中に、送信機を受信機に近づけてみてください。
- Loss of Signal / Intermittent Connection:
- Inspect the receiver antenna for damage or improper placement. Ensure it is not shielded by carbon fiber or metal.
- Check for potential sources of electromagnetic interference (e.g., motors, ESCs, video transmitters) near the receiver.
- Verify that the transmitter's power output is adequate and its antenna is properly oriented.
- 受信機の電源が安定しており、指定された電圧範囲内であることを確認してください。tage範囲。
- No Response from Controls:
- Confirm the receiver is successfully bound (solid green LED).
- Check all wiring connections between the receiver and your flight controller or servos.
- Verify that your flight controller firmware is correctly configured for the receiver's output (e.g., SBUS, PPM).
保証とサポート
For warranty information and technical support, please refer to the official LDARC web当サイトをご覧いただくか、販売店にお問い合わせください。保証請求の際に必要となりますので、購入証明書を保管してください。