Chinowing T26 User manual

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T26
Handheld Ground Control Station
User Manual V 1.0.1
2022.1

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Catalog
1. Product Precautions.............................................................................3
2. Disclaimer.............................................................................................3
2.1 Installation Note.........................................................................4
2.2 Precautions for Use....................................................................4
3. Product Introduction............................................................................5
4. Item List................................................................................................5
5. Product Instruction.............................................................................. 7
5.1 T26 GCS...................................................................................... 7
5.2 V21 Receiver .............................................................................. 9
6. Remote Control Operation................................................................ 11
6.1 Remote Control&Computer Power-on and Power-Off........... 11
6.2 Remote Control Charging.........................................................12
6.3 Remote control and Receiver Indicators Instruction...............12
7. V21 Video Link Module Operation and Use......................................14
7.1 V21 Receiver Connection Instruction...................................... 14
8. The use of Serial Port Data Link of T26 and Receiver T26.................15
9. T26 Internal Network Card Use...................................................... 16
10. Video Display ....................................................................................19
10.1 Display the Video in Mission Planner.................................... 19
10.2 Display Image in QGC Software............................................. 21
11. V21 Video&data Link Configuration.............................................22
12.HID Controller Instruction.................................................................27
13.Firmware Upgrading Operation Steps..............................................29
13.1 T26 Remote Control Firmware Upgrade................................29
13.2 V21 Receiver Firmware Upgrade...........................................31
14. Common Questions........................................................................ 33

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1. Product Precautions
1) T26 ground terminal is matched with airborne unit to use together.
2) T26 is integrated with all-in-one video& telemetry&RC link V21. Frequency：
800MHz, 1.4GHz and 2.4GHz for choice(3 RF modules in one).
3) The ground unit is with built-in 8.4v battery (2S lithium battery). The airborne
unit needs external power input DC7.4-12V(2S-3S lithium battery). Please power
the system in strict accordance with specifications.
4) With improper operation, the aircraft may cause a certain degree of injury and
damage to human and the system, please be sure to pay attention to safety during
use.
5) In order to better serve customers, our R&D team has been upgrading and
optimizing the product. The software and firmware are being upgraded
frequently. There may be incompatibilities between different firmware versions.
Please pay attention to asking the supplier for the latest software firmware and
technical support.
6) Software and firmware version example:
<Parameter Setting Software>: HZY_T26 V1.0.0.4; T26 remote controller
firmware: TLC16-0.1.1-1.0; Airborne unit V21 firmware: V21RX-0.0.2-1.0.
7) The software, firmware, drivers and port conversion tools covered in this
manual will be updated from time to time on our website, so please visit our
website to download them, or contact us directly.
8) If you encounter any problem that cannot be solved during installation or use
of the product, please contact us.
2. Disclaimer
Thank you for purchasing the T26 hand-held remote-control station. Please use it
in accordance with local radio control regulations and read this statement
carefully before using it. Once used, it shall be deemed to endorse and accept all

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contents of this statement. Please strictly follow this instruction to install and use
the product. The supplier will not bear any legal liability for any result or loss
caused by improper use, installation, final assembly or modification of the
product.
2.1 Installation Note
1) Be sure to use the spare parts provided by Chinowing.
2) Be sure to install the antennas before power-on to avoid the damage to the
circuit.
3) Try to make the receiver antenna without obstruction, and the end part of the
antenna is vertically downward without bending, so as to avoid shortening the
communication distance or even failing to communicate due to obstruction.
4) Do not disassemble or refit without permission. If you encounter any problem
that cannot be solved during installation, please contact us directly.
5) During installation, keep proper distance between electronic devices to
minimize electromagnetic interference.
2.2 Precautions for Use
1) Before use, please make sure that all connection wires are fastened reliably
and all components work normally.
2) Please open the <RC Configuration Software> and check whether the
channels are normal.
3) Please check the surrounding environment to ensure that there is no
interference from other devices, otherwise T26 data transmission performance
will be seriously affected.

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4) Ensure that the antennas are free from obstacles and bends during use, and
stay away from large metal structural parts as far as possible to avoid
communication obstruction.
5) Check the power of the remote control before use. If the <Parameters
Configuration Software> shows that power is low, please charge the remote
control timely. If the remote control is turned off, the receiver has entered the
state of out-of-control protection. Stop using it when the battery is too low. Don't
rely on the device's low-power alarm, which is only a precaution and tells you
when to charge. T26 can work continuously for 8hs with full battery capacity and
takes about4hs to be fully charged.
3. Product Introduction
T26 is all-in-one handheld ground control station integrated with remote
controller. Video&telemetry&RC link and industrial computer. High integration,
small size, easy operation.
Dual SBUS design, the user can assign each channel to preferred joysticks,
switches and buttons. T26 has 10 analog channels, 2 pull wheels and 10 buttons.
Frequency hopping technology. There are 3 frequencies for choice, 800MHz,
1.4GHz and 2.4GHz. The bandwidth supports 1.4MHz-20MHz.
With MIL grade, it has been widely used in unmanned vehicles as well as other
remotely-controlled vehicles.
4. Item List
Main Modules
T26 Remote Controller *1
V21 Receiver *1

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Accessories
Power supply cable*1
(Power for receiver, DC 7.4-12v,
lithium battery 2S-3S)
Charger*1
(8.4v adapter)
Receiver Upgrading
configuration line
(Used for receiver firmware upgrading and
parameters setting)
LAN-to-4Pin wire*1
(User for connecting other device by
LAN port)

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5. Product Instruction
5.1 T26 GCS
Antenna*4
GH 3pin*2
GH 4pin*1

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1. Pull wheel*2, corresponding to T5, T6
2. A1 main antenna, used for transmitting and receiving signal
3. A2 slave antenna, used for receiving signal
4. USB port, USB 3.0*2
5. The computer volume button, used to adjust the volume up or down
6. Power-on button of the computer and remote controller, used for powering on
the computer and remote controller or forced shutdown
7. Button for screen rotation, used for enabling or disabling the screen rotation
8. The computer shortcut setting key, used for setting the applications
9. The computer working indicator, used for indicating the computer’s working
status
10. Hard disk drive indicator, used for indicating the hard disk drive’s working
status
11. The computer battery power indicator, used for indicating low power of the
computer and charging status
12. Main joysticks, corresponding to T1, T2, T3 and T4
13. Buckles, used for strap connection
14. 6 buttons, corresponding to F1-F6
15. RC power indicators, one indicator stands for 25% battery power
16. Signal strength indicators, used for indicating communication signal strength
17. Tx data transmitting indicator, Tx continuously ON indicating in the
transmitting status
18. Rx data receiving indicator, Rx continuously ON indicating in the receiving
status
19. RC/computer charging port, adapter DC16V 4A
20. 4 buttons, corresponding to F7-F10
21. Battery jar lock catch
22. SIM/SD card slot, used for installing micro SIM card or micro SD card

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5.2 V21 Receiver
Front view
① Data receiving indicator: light will flicker in the condition of data receiving.
② Date transmitting indicator: light will flicker in the condition of data
transmitting.
③ Signal strength indicator: S3 ON, signal is weak; S3 and S2 ON, signal is
moderate; S3, S2 and S1 ON, signal is strong.
④SET button: used for firmware upgrading, serial port baud rate setting, Failsafe
protection settings
Side view
①TTL port: full duplex serial port
②S-BUS1port: SBUS input(ground unit);SBUS output(airborne unit)

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③S-BUS2 port: SBUS input(ground unit);SBUS output(airborne unit)
④Power supply port: 7.4-12V
⑤TTL signal indicator: light will flicker when there is data input
⑥SBUS1 indicator:
Ground unit: SBUS1 indicator will flicker when there is data input of SBUS1.
Airborne unit: SBUS1 indicator will flicker when there is data output of
SBUS1.
⑦SBUS2 indicator:
Ground unit: SBUS2 indicator will flicker when there is data input of SBUS2.
Airborne unit: SBUS2 indicator will flicker when there is data output of
SBUS2.
LAN port: for video input or output
USB port: debugging interface, for video output

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6. Remote Control Operation
6.1 Remote Control&Computer Power-on and Power-Off
Please pay attention to the power button, the computer power indicator and the
remote control power indications (25%, 50%, 75%, 100%) during the switching
on and off of the T26. The computer and the remote control use the same button
to control the switching on and off of the T26.
1. Power on: short press the computer power button, the computer power
indicator lights up and the RC power indicators flashing in running light status
and accompanied by a buzzer sound, then it is powered on.
2. Power off: through the computer Windows icon start menu, select the
shutdown button. The remote control will be automatically shut down after the
computer is switched off or force it to shut down through a long press of the
power button for 5 seconds.
Please do not force the computer to shut down during normal use, as
there is a risk of damage to the computer's hard drive.
When not using the computer for a long time, please turn the
computer off in time to avoid consuming power for a long time in
standby.
If you find that the computer cannot be turned on by pressing the
power button. It is likely that the battery is low, please use the

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standard adapter to charge the T26 and then press the power button
to turn on the computer.
6.2 Remote Control Charging
T26 remote control is used with 6800mAh lithium battery. The computer is
with built-in quick release lithium ion battery 3220mAH. The RC data link
module can work normally with in 1W power. T26 can work about 8hs with
fully charged battery. If the power indicator shows low battery power, please
stop flying and recharge the T26 in time.
1. Plug the standard adapter of RC into a 220V socket and the adapter output
end into the T26 charging port to charge the computer and remote control
(adapter output: 16V/4A).
2. When the computer indicator turns from red to green, it means the battery
is fully charged. The user can check the charging status based on the T26
power indicator.
Notes:
Please use the standard adapter supplier provides for charging, do not use
other types of chargers that do not meet the specifications for charging.
For longer working time, an external battery can be used to increase the
battery life.
6.3 Remote control and Receiver Indicators Instruction
6.3.1 Remote Control Indicators Instruction
Indicators
Status
Definition
TX\RX indicator
Continuously ON
TX: the data is transmitting

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RX: the date is receiving
OFF
TX or RX no data transmitting
Signal strength
indicator
RS1,RS2,RS3
RS1&RS2&RS3 ON
Strong signal strength of RF
module
RS1&RS2 ON, RS3 OFF
Moderate signal strength of RF
module
RS1 ON, RS2&RS3 OFF
Weak signal strength of RF
module
RS1&RS2&RS3 OFF or all
lights flashing in running
light status
No connection of RF module
Flashing, and a continuous
short buzzer beeping
Low battery alarm
Continuously ON
Powered on normally, in the
working status
OFF
Not powered on, in the
shutdown status
4* battery
indicator lights
25% indicator flashing,
other 3 indicators OFF
Battery power lower than 25%
25% indicator ON, other 3
indicators OFF
Battery power between 25%～
50%
25%, 50% indicators ON,
other 2 indicators
Battery power between 50%～
75%
25%, 50%,75% indicators
ON，100% indicator OFF
Battery power between 75%～
100%
25%, 50%, 75%, 100%
indicators all ON
Battery power 100%
Indicators are normal, the buzzer beeps
continuously
Idle alarm of remote control
6.3.2 V21 Receiver Indicators Instruction
Indicator
Status
Define
TXD
Flashing
There is data transmitting
OFF
There is no data transmitting
RXD
Flashing
There is data receiving
OFF
There is no data receiving

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TTL/RS232
Flashing
Serial port data is in the
communication
OFF
No serial port data
SBUS 1
Flashing
SBUS1: there is signal
transmission
OFF
SBUS1: there is no signal
transmission
SBUS 2
Flashing
SBUS2: there is signal
transmission
OFF
SBUS2: there is no signal
transmission
LAN
Flashing
LAN port has been connected.
Signal strength
indicator RS1,
RS2, RS3
RS1&RS2&RS3 ON
Strong signal
RS1&RS2 ON, RS3 OFF
Moderate signal
RS1 ON,RS2&RS3 OFF
Weak signal
RS1, RS2, RS3 OFF or
Show the running horse
lights
No connection
S1&S2&S3
Sharp-flash
Outputting Failsafe protection
data
7. V21 Video Link Module Operation and Use
7.1 V21 Receiver Connection Instruction
Switch on the remote control, power on the V21 receiver(7.4-24V). After the
successful connection of two modules (S1, S2 and S3 lights are always on and CPU
indicator is constantly ON, this process takes about 1min), the device can be used
normally.
All parameters of the remote control and receiver module have been configured
well at the factory and can be used directly. If the user wants to modify the serial
port baud rate and the IP address of the LAN port, please refer to the
corresponding chapter.

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Vide&Data Link Default Parameters:
User name: admin123
Password: admin123
LAN port IP: 192.168.168.2 (Airborne unit)；192.168.168. 1(Ground unit)
Secret Key: 88
RF Parameters
frequency: 1.4G; frequency hopping: enabled; Bandwidth: 10M; Power: 25dbm；
Serial Port Parameters
Baud rate: 115200; Eight data bits; One stop bit; No Parity
8. The use of Serial Port Data Link of T26 and
Receiver T26
Default baud rate of serial port: 115200. Pls follow the below steps to connect
flight control and GCS software.
1. Connect the flight control to the airborne unit, pls pay much attention to the
cable sequence and make sure the baud rate of flight control port must be the
same with that of the serial port.
2. Connect the ground station software to the ground unit, note that the cable
sequence and make sure the baud rate of the selected port of the ground station
software must be the same as that of the serial port.
3. COM22 on the PC side is the dedicated port for <the Parameters Configuration
Software>. COM21 is the serial data transmission port for the remote control.
Baud Rate Modification of V21 Serial Port

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Long press the SET key (approx. 2 seconds) after powering on the airborne unit.
Release it when RX and TX indicators are ON, it indicates entering the serial port
baud rate modification mode. After entering the mode, short press the SET key
(<1 second) to switch the corresponding baud rate. The corresponding LED light
always ON represents the corresponding baud rate, as follows.
Indicator Status
Baud Rate
Rx continuously ON
9600bps
Tx continuously ON
19200bps
S1 continuously ON
38400bps
S2 continuously ON
57600bps
S3 continuously ON
115200bps
After finishing the setting, long press the SET key (about 2 seconds) and release
the key when TX and RX indicators light up at the same time. After releasing, the
indicators will return to normal working status. The baud rate can only take effect
after the modification is completed and the modules are powered on again.
The baud rate of the airborne unit must be changed to the same as that of the flight
control, ground unit or other equipment in order to communicate.
9. T26 Internal Network Card Use
The V21 data link is already connected to the LAN port of the internal module of
the T26 remote control and can be used directly. The receiver V21 can be
connected to a LAN camera by using a LAN-to-4pin cable. After finishing the
setting of the IP address, the video can be transmitted.

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1. The IP addresses of T26 and V21 are all set to the same network segment.
Airborne unit: 192.168.168.2 Ground unit: 192.168.168.1
2. When connecting IPC devices or other network devices to the LAN port of the
airborne unit, the IP addresses of V21 and T26 can be ignored. Just set the IP
camera to the same network segment as the mobile devices connected to T26.
1Enter the computer network sharing center
2Enter the Ethernet
3After entering, there are 2 internal network cards, Remote NDIS based
Internet Sharing Device or ASIX AX88772C USB2.0 to Fast Ethernet
Adapter #6. 2 network cards both can communicate to the LAN port of
the airborne unit.

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4Select the one of the local connection to the data link of the ground end,
right click the attribution
5Select Internet IPV4 protocol, set the fixed IP address, IP address should
be in the same network segment of the camera. For example: camera
IP is 192.168.167.10, set the local IP to192.168.167.xxx（0~25, expect
10). After the modification, click OK when finishing the modification.
6Use pull streaming software such as VLC media player to capture and
play back the video data.

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● The IP address of the V21 can be ignored when pulling streams to get video. Just change
the local IP of the tablet to the same network segment as the webcam
Pls visit our web for more teaching videos.
10. Video Display
10.1 Display the Video in Mission Planner
1.Press the right mouse button (or long press) in the HUD window
2.Click VIDEO
3.Click GetGstreamer source
4.Enter the following address (Note size set and half symbols)
rtspsrc location=rtsp://192.168.168.13/stream0 latency=0 ! decodebin !
videoconvert ! video/x-raw,format=BGRA ! appsink name=outsink
5.For the first time usage, download the relevant software package and wait for
the download to complete. Restart software.
6.After finishing steps 1-5, the camera video source can be obtained.

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