RadioLink BYME-A Bedienungsanleitung

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Contents
SAFETY PRECAUTIONS ............................................................................................................................3
WARNING ....................................................................................................................................................3
1. Introduction .............................................................................................................................................. 4
2. Parameters .............................................................................................................................................. 4
3. Installation ................................................................................................................................................4
4. Transmitter Setup .................................................................................................................................... 5
5. Flight Modes Setup ..................................................................................................................................5
6. Five Flight Modes .................................................................................................................................... 7
6.1 Vertical Mode ................................................................................................................................. 7
6.2 Stabilize Mode ............................................................................................................................... 8
6.3 Gyro Mode ................................................................................................................................... 10
6.4 Acrobat Mode ...............................................................................................................................10
6.5 Manual Mode ............................................................................................................................... 10
7. Servo Phase .......................................................................................................................................... 11
7.1 Servo Phase Test ......................................................................................................................... 11
7.2 Servo Phase Adjustment ............................................................................................................. 14
8. Flight Controller Calibration ...................................................................................................................15
8.1 Power-on Calibration ................................................................................................................... 15
8.2 Attitude Calibration .......................................................................................................................15
9. Gyro Sensitivity ......................................................................................................................................16

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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.

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1. 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(excluding V-tail gliders) 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.
2. Parameters
Size:35.5*15.5*10.5mm (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
3. 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:

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4. Transmitter Setup
1Set model type as fixed wing in the transmitter.
2Set transmitter phase:
CH3 - Throttle: Reversed
Other channels: Normal
Note 1. After the phase setting in the transmitter, please refer to 8.2 Attitude Calibration to calibrate
the attitude once, and then check the servo phase.
Note 2. After the phase setting in the transmitter, please keep the setting and do not make any
modifications. If the control surface of the aircraft moves incorrectly when pushing the stick, please
change the servo phase by pressing the servo phase adjustment on Byme-A.
5. 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 switches are CH5(a 3-way switch) and CH7(a

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3-way switch) by default. 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:

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When using other brand transmitters, please refer to the following picture to switch the flight modes.
The value range of channel 5 and channel 7 corresponding to the flight mode is as shown below:
6. Five Flight Modes
6.1 Vertical Mode
At Vertical 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.
Below is the picture illustration with Mode 2 as example. When the aircraft is vertical, toggle the
aileron joystick(CH1) to control the aircraft moving left or right.
When the aircraft is vertical, toggle the elevator joystick(CH2) to control the aircraft moving forward or
backward.

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When the aircraft is vertical, toggle the rudder joystick(CH4) to control the aircraft moving (anti)clockwise.
6.2 Stabilize Mode
Different form manually control, Stabilize Mode with flight controller balancing, is suitable for beginners to
practice level flight.
The model attitude (inclination angles) is controlled by joysticks. When the joystick is back to central point,
the aircraft will level. The max inclination angle is 70° for rolling while that for pitching is 45°.

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If the throttle is toggled upward, the aircraft accelerate. If toggled downward, the aircraft decelerate.
6.3 Gyro Mode
At this more advanced mode, the integrated three-axis gyro assists to increase the stability. But the
aircraft won’t level even the joystick is back to central point. The joystick control the rotation(angle speed)
of the aircraft. That is, when rolling, pitching or rudder joystick is toggled, the aircraft will rotate with the
corresponding speed.
6.4 Acrobat Mode
Combination of Stabilize Mode and Gyro Mode makes it easy to realize various free styles such as rolling,
rapid pitching, backward, side flight and spiral descending.
the aircraft will level when the joystick is back to central point. If the joystick is toggled with small range,
the aircraft will move to the corresponding directions.
When toggle joysticks with large range, aircraft will rotate to the corresponding directions.
6.5 Manual Mode
No assistance from flight controller algorithm or gyro, all flight movements are realized manually, which
requires the most advanced skills.
It’s strongly advised for beginners to choose Vertical Mode or Stabilize Mode to practice. Or if in small
space, Vertical Mode can be set to take off and land then switch to level flight(Stabilize Mode/Gyro
Mode/Acrobat Mode/Manual Mode) when reach a certain height. If switch to other flight modes from
Vertical Mode, remember to pull the elevator joystick to ensure rising of the aircraft. Otherwise the aircraft
will crash.
When at Vertical Mode, the joystick operation is same as that of multi-copters.
When at Stabilize Mode/Gyro Mode/Acrobat Mode/Manual Mode, the joystick operation is standard one
of fixed wing. Beginners have better to practice with simulators and get familiar to the operations of
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