RadioLink Byme-A Fixed Wing Flight Controller Instruction Manual

RadioLink Byme-A Fixed Wing Flight Controller

Thanks for purchasing Radiolink flight controller Byme-A. To fully enjoy the benefits of this product and ensure safety, please read the introduction carefully and set up the device as described below: If any problems found during the operation process, please kindly refer to the manual first. Then pilots could contact our distributors to find solution or follow our Facebook homepage

https://www.facebook.com/radiolinkofficial/ to search related key words. Also, pilots can send questions to after_service@radiolink.com.cn and we will answer your question at the earliest. Due to unforeseen changes in production procedures, the information contained in this manual is subject to change without notice.
For more information, please check our website http://www.radiolink.com

SAFETY PRECAUTIONS

•  Never operate model during adverse weather conditions. Poor visibility can cause disorientation and loss of control of pilots’ model.
•  Never use this product in a crowd and illegal area.
• Always ensure the trim levers at 0 and battery properly charged before connecting the receiver.
• Always check all servos and their connections prior to each run.
• Always be sure about turning off the receiver before the transmitter.
• To ensure the best radio communication, please enjoy the flight/driving at the space without interference such as high voltage cable, communication base station or launching tower.

WARNING

This product is not a toy and is NOT suitable for children under the age of 18. Adults should keep the product out of the reach of children and exercise caution when operating this product in the presence of children. Water or moisture may enter the transmitter inside through gaps in the antenna or joystick and cause model instability, even out of control. If running in the wet weather (such as game) is inevitable, always use plastic bags or waterproof cloth to cover the transmitter.

Introduction

Byme-A is a flight controller applicable to various straight wing aircraft including 3D fixed wing(F3P) and 4-channel trainer and scale model aircraft and is SBUS and PPM signal supported. With the three-axis gyroscope and three- axis acceleration sensor and the full attitude algorithm, control algorithm and digital filter, Byme-A makes the flight much easier. There are five flight modes: Vertical Mode, Stabilize Mode, Gyro Mode, Acrobat Mode, Manual Mode.

Parameters

• Size： 35.515.510.5mm (1.4″0.61″0.41″)
• Weight(With wires)： 4.5g（0.16oz）
• Channel Quantity： 4
• Integrated Sensor： three-axis gyroscope and three-axis acceleration sensor
• Signal Supported： SBUS/PPM
• Input Voltage： 5-6V
• Operating Current： 25±2mA

Installation

Make sure the arrow on Byme-A points to the aircraft head. The flight controller can be installed either face up or down with 3M glue on the aircraft body (better around the center) and the wires connect to the corresponding pins. Install Byme-A as shown below:

Flight Modes Setup

Flight modes can be set by CH5 and CH7 on transmitter with five modes: Vertical, Stabilize, Gyro, Acrobat and Manual. When using the T8S transmitter, the flight mode switchover switches are default CH5(a 3-way switch) and CH7(a 3-way switch). The definition of the flight mode switchover  switches is as the picture below:

When using the T8FB transmitter, the flight mode switchover switches are default CH5(a 3-way switch) and CH7(a 2-way switch). The definition of the flight mode switchover  switches is as the picture below:

Transmitter Phase Setup

• CH3 – Throttle: Reversed
• Other channels: Normal

Power-On Calibration

When the aircraft is powered on, the gyro on Byme-A will calibrate with the green led flashing. Please keep aircraft remain still until the green light is always on.

Attitude Calibration

Byme-A needs to calibrate the attitudes/level to ensure the balanced status. It is advised to lift the model head with a certain angle (20 degree is advised) to ensure the calibration accuracy and it will be recorded once the attitude calibration is complete with  success.

Pull both joysticks to outside corners as below and hold more than 3 seconds. The green led flashes once means the calibration completed.

Servo Phase

Make sure the servo phases are correct before flight. Take Manual Mode and Mode 2 as example.

Reversed servo phases can be adjusted by the flight controller Byme-A.

Output Servo Phase Adjustment

• Press the button at the front of Byme-A to change the servo phase:
• Short press once, aileron servo reversed, LED1 ON/OFF.
• Short press twice, elevator servo reversed, LED2 ON/OFF.
• Short press four times, rudder servo reversed, LED4 ON/OFF.

Note: Make sure attitude calibration is complete before changing the servo phases. Byme-A will identify the installation position (above/bottom of the aircraft） to automatically adjust the gyro direction.

Flight Modes

Stabilize Mode
The model attitude (inclination angles) is controlled by joysticks. The max inclination angle is 70° for rolling while that for pitching is 45°.

Vertical Mode

Under this mode, the aircraft will remain vertical posture and direction. The altitude algorithm of Byme-A maps the joystick operation onto horizontal ordinates and takes control of full altitude. By toggling the rolling joystick (CH1), the aircraft will move left and right.

By toggling the pitching joystick (CH2), the aircraft will move forward and backward.

By toggling the rudder joystick (CH4), the aircraft will rotate.

Gyro Mode

The model rotation (angular velocity) is controlled by joysticks with three- axis gyro increasing the stability. The aircraft will rotate with corresponding velocity
by toggling the joysticks of rolling, pitching and rudder. This is the advanced mode and the model won’t level but and keeps rotating when joystick is loose.

Acrobat Mode

This mode is the combination of Stabilize Mode and Gyro Mode. When the joystick is at center point, aircraft will level. When toggle joysticks with small range, aircraft will move to the corresponding directions. When toggle joysticks with large range, aircraft will rotate to the corresponding directions.For example,

Manual Mode
Pilots control servos with corresponding channels by transmitter, neither attitude nor gyro involved.

Gyro Sensitivity

There is certain stability margin for the Byme-A PID control. To different models, if Byme-A under correct or over correct, pilots can try adjusting the rudder angle.

Thank you again for choosing Radiolink product

Documents / Resources

| RadioLink Byme-A Fixed Wing Flight Controller [pdf] Instruction Manual
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