RadioLink T8S Instruction Manual
Radiolink Electronic Ltd
www.radiolink.com
T8S
（FHSS）
8-Channel Remote Controller
Compatible with Fixed-wings/Gliders/Multirotors/Cars/Boats
Instruction Manual
CE FCC RoHS
* Please be kindly noted that this manual will be updated regularly and please visit RadioLink
official website to download the latest version.
Radiolink Electronic Ltd
www.radiolink.com
Thank you for purchasing RadioLink 8-channel remote controller T8S.
To fully enjoy the benefits of this product and ensure safety, please read the manual carefully and set up
the device as instructed steps.
If any problems found during the operation process, either way listed below can be used as online tech
support.
1. Send mails to after_service@radiolink.com.cn or after_service1@radiolink.com.cn and we will answer your
question at the earliest.
2. PM us on our Facebook page or leave comments on our Youtube page
3. If the product is purchased from the local distributor, you can also ask them for support and repair as prefer.
All manuals and firmwares are available on RadioLink official website www.radiolink.com and more tutorials are
uploaded. Or follow our Facebook and Youtube homepage to stay tuned with our latest news.
SAFETY PRECAUTIONS
Never operate models during adverse weather conditions. Poor visibility can cause disorientation and loss
of control of pilots’model.
Never use this product in a crowd or illegal areas.
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.
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and can radiate radio frequency
Radiolink Electronic Ltd
No.
Items
Qty
Unit1TX T8S
1
Piece
2
RX R8EF
1
Piece
3
OTG Cable
1
Piece
4
Throttle-Stick
Spring
Retainer
1
Piece
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energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
Packing List
Content
Radiolink Electronic Ltd
www.radiolink.com
Chapter 1 Introduction
1.1 Installation of Remote Control.....................................................................................................................................1
1.1.1 Installation Receiver Antenna..........................................................................................................................1
1.1.2 Transmitter Battery Charging
1.2 T8S Basic Setup............................................................................................................................................................2
1.2.1 Compatible Receivers...................................................................................................................................... 2
1.2.2 Binding
1.2.3 Signal Switch between SBUS&PPM and PWM ......................................................................................... 3
1.2.4 T8S Gimbals Calibration.................................................................................................................................. 3
Chapter 2 Firmware Upgrade
Chapter 3 Parameters Setup via Mobile.......................................................................................................................... 6
3.1 Android APP Installation............................................................................................................................................6
3.2 Connection
3.3 Parameters Setup Menu........................................................................................................................................... 7
3.3.1 SERVO Menu.....................................................................................................................................................8
3.3.2 BASIC Menu
3.3.3 ADVANCED Menu...........................................................................................................................................10
3.3.4 SYSTEM Menu................................................................................................................................................ 11
Chapter 4 T8S Parameters Setup via Computer
4.1 Software Installation and Connection...................................................................................................................... 12
4.2 Parameters Setup Menu............................................................................................................................................ 13
4.2.1 BASIC Menu
4.2.2 ADVANCE Menu..............................................................................................................................................14
Chapter 5 FAQ .............................................................................................................................................................. 15
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1
1
3
4
7
9
Radiolink Electronic Ltd
CH7
CH5
CH6
CH8
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Chapter 1 Introduction
As image of T8S (Mode 2) shown below, there are two 3-way switches, one toggle-switch, one
push-button, eight trimmer buttons and two joysticks. The Mode can be personalized to 1(throttle on right hand)
or 2 (throttle on left hand) or both sticks return to center points with the small accessory packed in the bag.
Factory setting by default: CH5/3-way switch on the right, CH6/ Push-button, CH7/3-way switch on the
left, CH8/toggle-switch.
1.1 Installation of Remote Control
1.1.1 Installation of Receiver Antenna
1. Keep antennas as straight as possible, or the effective control range will reduce.
2. Big models may contain metal parts that influence signal emission. In this case. antennas should be
positioned at both sides of the model to ensure the best signal status in all circumstances.
3. Antennas should be kept away from metal conductor and carbon fiber at least half inch away and no over
bending.
4. Keep antennas away from motor, ESC or other possible interference sources.
5. Sponge or foam material is advised to use to prevent vibration when installing receiver.
6. Receiver contains some electronic components of high-precision. Be careful to avoid strong vibration and
high temperature.
7. Special vibration-proof material for R/C like foam or rubber cloth is used to pack to protect receiver. Keeping
1
Radiolink Electronic Ltd
1) Channel Qty: 8
2) Operating Voltage：4.8-10V
3) Operating Current：30mA (Input Voltage 5V)
4) Dimension : 48.5*21*11mm
5) Weight：7g
CH8 (AUX)
CH7 (AUX)
CH6 (AUX)
CH5 (AUX)
CH4 (RUDD)
CH3 (THRO)
CH2 (ELEV)
CH1 (AILE)
Antenna
Binding Button (ID SET)
LED
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the receiver in a well sealed plastic bag can avoid humidity and dust, which would possibly make the receiver
out of control.
When all the above steps are complete, please turn off the transmitter and repower on to test if the receiver is
correctly connected with it.
1.1.2 T8S Battery Charging
The built-in battery of T8S is 1S lithium. When the voltage becomes low, the green indicator will flash with a DD
warning tone. Make sure to charge the battery in time to avoid the possible damage by over discharge.
T8S charging is as simple as only an android USB cable needed, connecting to the computer or portable
charger.
1.2 Basic Setup
1.2.1 Compatible Receivers
The standard receiver equipped to T8S is R8EF, 2.4G 8-channel receiver with SBUS,PPM and PWM signal
output supported. R8FM is another compatible receiver with extreme light weight of 2.5g and double signal
output of SBUS and PPM. The control distance of both receiver is up to 2000 meters.
R8EF Specifications
6) 2048 section precision, 0.5us per section, servo anti-shake rudder.
7) Distance: 2000m in the air (depending on the actual flight circumstances)
Signal Working Mode
(1) PWM Working Mode: Receiver indicator is RED with all 8 channels output PWM signal.
2
Radiolink Electronic Ltd
Antenna
Binding Button(ID SET)
CH8 (AUX), PWM
CH7 (AUX),PWM
CH6 (AUX),PWM
CH5 (AUX),PWM
CH4 (RUDD),PWM
CH3 (THRO),PWM
PPM
SBUS
LED
Antenna
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(2) SBUS/PPM Working Mode
Receiver indicator is Blue(Purple) with 8 channels output in total. Channel 1 is SBUS signal, channel 2 PPM
signal and channel 3 to 8 PWM signal.
1.2.2 Binding
Every transmitter owns a unique ID code. Before using, binding transmitter to receiver on aircraft is a must.
When done binding, ID code will be stored in the receiver, no need to rebind, unless the receiver is going to
work with another transmitter. If a new R8EF or R8FM receiver is purchased, binding needs to be done before
using.
Binding steps of all transmitters and receivers from RadioLink are the same as follow:
（1） Put the transmitter and the receiver close to each other within 50 centimeters
（2） Power on the transmitter and the receiver. The receiver will bind to the closest transmitter.
（3） Press the ID SET on the side of the receiver for more than 1s, the flashing LED means binding starts.
When LED is always on (stops flashing), binding is complete.
（4）Check if servos move as the transmitter commands to verify the binding success.
1.2.3 Signal Switch between SBUS&PPM and PWM
R8EF: Short press the ID SET on the receiver twice within 1s to switch the SBUS/PPM signal to PWM signal.
When the RED LED is on, signal output is PWM. When both RED and BLUE LEDs are on. Signal output is
SBUS&PPM.
R8FM: Short press the ID SET on the receiver twice within 1s to switch the SBUS to PPM signal. When the
RED LED is on, PPM signal is output while SBUS signal is output when both RED and BLUE LEDs are on.
1.2.4 T8S Gimbals Calibration
When the transmitter is power-off, toggle both sticks at the central point. Then press the throttle trimmer button
(with an arrow to left and marked as No.1 in below pic ) and the power button simultaneously, the four green
indicators will start flashing and the T8S is ready to be calibrated..
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