Page 1 MK32 ENTERPRISE HANDHELD GROUND STATION USER MANUAL SIYI Technology (Shenzhen) Co., Ltd. siyi.biz/en...
Page 2 Thank you for purchasing SIYI’s product. MK32 enterprise handheld ground station is the latest member of the family of SIYI links. It carries a 7-inch high-definition and high brightness monitor, and a dual way full HD image transmission system which can be expanded to up to 30 kilometers range.
Page 3 Contact Us: SIYI Official Website ( https://siyi.biz/en SIYI User Group - Facebook Facebook Linkedln YouTube 3 / 173 2025 SIYI Technology Copyright...
Page 4 2024.2 2. Main firmware update log. 3. SIYI Datalink SDK update. 1. Necessary update for product introduction. 2. Necessary update for SIYI FPV app. 3. User manual update log. 4. Main firmware update log. 5. SIYI FPV app update log.
Page 5 2.2.4 How to Place the Long-Range Patch Antennas on Ground Unit ..................42 2.2.5 How to Place Air Unit Antennas ..............................42 2.2.6 The Communication Range Is Not as Expected and You Need Factory Support, Here Are the Necessary Information We Need .................................... 47 5 / 173 2025 SIYI Technology Copyright...
Page 6 3 SIYI TX APP ........................................50 3.1 Channels ........................................51 3.1.1 End Point ......................................51 3.1.2 Middle Point ....................................52 3.1.3 Channel Reverse .................................... 53 3.1.4 Channel Mapping ..................................53 3.2 Datalink ........................................54 3.2.1 Connection ......................................55 3.2.2 Flight Controller .....................................56 3.2.3 Baud Rate ......................................57 3.3 System ........................................
Page 7 3.11 Device Info ......................................82 3.12 SIYI TX App Update Log ..................................83 4 DATALINK ........................................84 4.1 Communication with Android GCS through UART ........................84 4.1.1 JIYI Agri-Assistant ..................................84 4.1.2 BOYING Agriculture ..................................86 4.1.3 VK Agriculture ....................................87 4.2 Communication with Android GCS through USB COM ........................ 88 4.2.1 QGroundControl ....................................
Page 8 5.7 SIYI FPV SDK Update Log ..................................141 6 IMAGE TRANSMISSION ....................................143 6.1 Control Gimbal Camera from SIYI FPV App or SIYI QGC App on SIYI Handheld Ground Station ........143 6.1.1 Preparation ....................................143 6.1.2 Gimbal Pitch and Yaw Rotation ............................... 145 6.1.3 Zoom ......................................146...
Page 9 7.3 Check Android Firmware Version ..............................164 8 SIYI Assistant ........................................ 166 8.1 Firmware Update ....................................166 8.2 Main Firmware Update Log ................................169 8.3 SIYI Assistant Update Log ................................. 172 9 After-sale Service ......................................173 9 / 173 2025 SIYI Technology Copyright...
Page 10 Minors must have professionals present to supervise and guide minors when using this product. SIYI Technology's products are designed for commercial use, and it is prohibited to use SIYI 10 / 173 2025 SIYI Technology Copyright...
Page 11 (streets, parking lots, etc.), places with strong magnetic fields or signal interference sources (high-voltage lines, railway lines, radar stations, etc.) or other places that may cause using SIYI products to control aircraft, vehicles or models in areas where unnecessary economic losses or even personal injuries will occur.
Page 12 It is recommended that the distance between the air unit and the GPS module be longer than 20 cm. Battery MK32 handheld ground station is equipped with a built-in and chargeable Li- on battery. Please do read the precautions below before using. 12 / 173...
Page 13 Storage / Carrying / Recycling When your SIYI product is not in use, or you want to take the SIYI product out for work, or the product has reached the end of its service life, please pay...
Page 14 15 KM Wireless Digital Image Transmission Dual-Channel Full HD Video Stream The link of MK32 is based on SIYI ’ s independent wireless HD image transmission technology, which is an all-in-one link integrated with remote control, datalink, and video streaming. The technology has a smart feature that...
Page 15 *With standard omni antennas, the transmission range is up to 15 kilometers. *With directional antennas, the transmission range is up to 30 kilometers. *To experience the lowest latency, it is suggested to use SIYI FPV app (choosing SIYI camera protocol) or SIYI QGC app (integrated SIYI camera protocol).
Page 16 Targeting popular industry application fields, relying on wireless high-definition image transmission technology, SIYI has given the MK32 / HM30 / MK15 link the feature of dual operator. The "dual operator" function is developed for dual-operator scenarios and supports up to two ground units to establish links with the same air unit at the same time.
Page 17 Wireless Repeater, Range Extender Targeting deep industry application fields, relying on wireless high-definition image transmission technology, SIYI has given the MK32 / HM30 / MK15 link wireless repeater features. The "wireless repeater" function is developed for scenarios that cannot be fully covered by the traditional end-to-end paired transmission system.
Page 19 Ground Unit Interface & Pinouts 19 / 173 2025 SIYI Technology Copyright...
Page 20 Air Unit Interface & Pinouts Mark Welcome to contact SIYI to get the SIYI Air Unit 3D Model for pre-installation. 20 / 173 2025 SIYI Technology Copyright...
Page 21 1.2.2 Button / Switch Types and Default Channel Definitions MK32 handheld ground station comes with 16 physical channels and 16 communication channels in total. Communication channel 10 to 14 are also PWM channel 1 to 5 in default. Channel Physical Channel Type...
Page 22 1.2.3 Data Stream Diagram Ground Unit 22 / 173 2025 SIYI Technology Copyright...
Page 24 Range (Unobstructed, free of interference) 16 physical channels Channels 16 communication channels PX4 / ArduPilot Open-source Flight Controllers: SIYI N7 Autopilot, etc. Datalink Compatible Agriculture Flight Controllers: Flight Controllers BOYING Paladin V2 JIYI K++ V2 / K3A Pro VK V7 AG / V9 AG...
Page 25 RC Signal Input / Output: Bottom Audio Port Dimensions 308 x 148 x 72 mm (Antenna Overlapped) Weight (Battery & Antennas 1440 g Included) Waterproof Level IP4X Working Temperature -10 ~ 50℃ Air Unit 25 / 173 2025 SIYI Technology Copyright...
Page 26 70 x 55 x 16 mm (fan included) (Antenna Excluded) HM30 Air Unit: 74 g Weight (Antenna Excluded) HM30 Air Unit + 4S to 18S Power Module: 109 g Working Temperature -10 ~ 50℃ 26 / 173 2025 SIYI Technology Copyright...
Page 27 -10 ~ 50℃ R1M Recording FPV Camera Video Output Ethernet Image Sensor 1/2.9 Inch, 2 MP Diagonal: 90° Horizontal: 80° Working Voltage 12 V Power Consumption 2.5 W Video Recording 1080p (1920*1080) @ 30 fps 27 / 173 2025 SIYI Technology Copyright...
Page 28 -10 ~ 50℃ 1.4 Packing List Normal Edition Standard Combo HDMI Combo 1 x MK32 Ground Unit 2 x Standard Omni Antenna 2 x Long Range Antenna 1 x HM30 Air Unit 1 x 4S to 18S Power Module 2 x Standard Omni Antenna...
Page 29 1 x Strap for Handheld Ground Station Dual & Repeater Edition Dual Combo 2 x MK32 Standard Combo (Dual & Repeater Edition) Repeater Combo 1 x MK32 Standard Combo (Dual & Repeater Edition) 1 x HM30 Fly More Combo (Dual & Repeater Edition) Mark The major difference between dual &...
Page 30 Red-Green Blinks: Android system unexpected power off. Slow Red-Green-Yellow Blinks: Image transmission system is starting. Fast Red-Blue-Yellow Blinks: Firmware is updating. Slow Yellow Blinks: Ground unit voltage abnormal. Double Yellow Blinks: Ground unit Bluetooth is not identified. 30 / 173 2025 SIYI Technology Copyright...
Page 31 Blue-Red Blinks: Air unit overheat alert, level two. Blue-Red Blinks: Air unit overheat alert, level three. 1.5.2 Air Unit Indicator Solid Red: No communication between ground unit and air unit. Fast Red Blinks: Air unit is binding to ground unit. 31 / 173 2025 SIYI Technology Copyright...
Page 32 Fast Green-Red Blinks: Air unit starts to bind wirelessly (plug power three times to trigger). Green-Red Blinks: Air unit overheat alert, level one. Green-Red-Red Blinks: Air unit overheat alert, level two. Green-Red-Red-Red Blinks: Air unit overheat alert, level three. 32 / 173 2025 SIYI Technology Copyright...
Page 33 Mandatory Power Off: When the ground unit is working, press and hold the power button for about eight seconds, ground unit will be forced to power off. Mark Screenshot: When the ground unit is working, press and hold the power 33 / 173 2025 SIYI Technology Copyright...
Page 34 3. Charging indicator lights on green, charging is finished. CAUTION Normal 5V charger adapter cannot charge the ground unit, please do use SIYI original PD fast charger. Ground unit cannot be charged when it is working. Please do power off the ground unit before charging.
Page 35 Solid Red: Ground unit under charging. Solid Green: Charging finished. 2.1.4 Change System Language SIYI handheld ground station ’ s Android system supports almost all available languages, which can be switched in system settings easily. Mark The default language of the Android system is “Chinese (Simplified)”.
Page 36 2. Slide down to find “System (Language, Time, Backup, Update)” and enter. 3. Go to “Language and Input” and choose “Language”, then “Add Language”. 36 / 173 2025 SIYI Technology Copyright...
Page 37 4. Let’s take an example of “English (US)”. Slide down to find “English”, then choose “ United States ” . The page will jump back to “ Language and Preference”. 5. Drag the just added “ English (US) ” language bar to the first line, system 37 / 173 2025 SIYI Technology Copyright...
Page 39 2.2 Important Instructions on Promotion to Communication Range and Video Fluency To have the best communication range and video fluency with MK32 / MK15 system, please carefully read the below tips for antenna options, antenna setup, and link configuration. 2.2.1 General Precautions 1.
Page 40 Mission control suggested in GCS! 4. The signal at the top of the standard omnidirectional antenna is weak. When flying directly above the ground, the flying height of the aircraft should be as low as 100 meters. 40 / 173 2025 SIYI Technology Copyright...
Page 41 6. Only the standard omni antennas are suggested for the air unit. If your aircraft is too small to mount the omni antennas, or you worry about the weak signal of the top part, then you can consider using SIYI lollipop antennas. Lollipop antennas performs shorter range than the standard omni antennas.
Page 42 2. Long-range patch antennas are directional, which should always be pointing to the aircraft during flight. 3. When you are using SIYI standard long-range antennas, please make its short side be parallel with horizon and its long side be vertical of the control panel to get the best signal quality.
Page 43 Do not drag them or bend them in case of any damage. To adjust the position of the antenna, please always try to bend the middle part of the antenna feeder wires. 43 / 173 2025 SIYI Technology Copyright...
Page 44 As shown in the picture below, for small and medium-sized multi-rotor drones, the air unit antenna should be placed downward perpendicular to the arm to keep the flat surface of the antenna facing the direction of the remote controller. 44 / 173 2025 SIYI Technology Copyright...
Page 45 As shown in the figure below, for large multi-rotor drones, the air unit antenna should be placed vertically downwards from the motor base to keep the flat surface of the antenna facing the direction of the remote control. 45 / 173 2025 SIYI Technology Copyright...
Page 46 As shown in the figure below, for fixed-wing aircraft, the air unit antenna can be placed vertically to the wings or vertical tail upwards and try to keep the flat surface of the antenna facing the direction of the remote controller. 46 / 173 2025 SIYI Technology Copyright...
Page 47 2. Flight altitude and distance of your drone when you observe the above things. 3. Flight test environment (pictures or videos taken in the orientation of the flight). 4. Check software information relevant to communication.  Wireless Mode  Ground and Air Unit Firmware Version 47 / 173 2025 SIYI Technology Copyright...
Page 48 6. If all above trouble shooting still didn’t help find the cause to unexpected range, please provide a screenshot of SIYI FPV app with all OSD turned on when the drone is flying closely to the range limit that you have...
Page 49 SIYI FPV app during the whole flight. 49 / 173 2025 SIYI Technology Copyright...
Page 50 3 SIYI TX APP Users can configure remote controller in “SIYI TX” app. 50 / 173 2025 SIYI Technology Copyright...
Page 51 Mark This chapter was made according to “SIYI TX” v1.1.255. 3.1 Channels Channel settings of End Point, Middle Point, Channel Reverse, and Channel Mapping. 3.1.1 End Point Handheld ground station’s default end point range is between 1050 and 1950. 51 / 173...
Page 52 Select a target channel and input your required maximum or minimum channel value. It’s done. 3.1.2 Middle Point The default Middle Point value is “1500”. Select a target channel and input your required middle point value. It’s done. 52 / 173 2025 SIYI Technology Copyright...
Page 53 Select a target channel. Then touch the “ Normal ” or “ Reversed ” button. It ’ s done. 3.1.4 Channel Mapping MK32 handheld ground station provides 16 physical channels, an RSSI channel, and 16 communication channels. Users are allowed to define or to map the physical channels (buttons, switches, joysticks) and the RSSI channel to the communication channels freely.
Page 54 Select the button / switch / joystick you want to re-map to. It’s done. 3.2 Datalink In Datalink Settings you can check the device ID, switch datalink connection and flight controller type, and configure customized baud rate. 54 / 173 2025 SIYI Technology Copyright...
Page 55 Baud Rate: The baud rate here must match the baud rate of PX4 / ArduPilot flight controller’s TELEM port which is used for datalink and configured in GCS. 3.2.1 Connection Available datalink connection types in MK32 handheld ground station are: UART, USB COM, Bluetooth, Type-C Upgrade Port, and UDP. About Datalink Connection UART: Telemetry data goes through the built-in UART port in the ground unit.
Page 56 Select your required flight controller type for datalink connection in the provided list. Currently supported flight controller models are: SIYI N7 Autopilot, PX4 / ArduPilot Flight Open-source Controllers, JIYI (K3A or K++), BOYING (Paladin), VK (V7AG) agriculture flight controllers, and customized flight controllers.
Page 57 3.2.3 Baud Rate If your flight controller model was not found in the list, please choose “Custom” and manually configure the baud rate of your flight controller in this page. Mark 57 / 173 2025 SIYI Technology Copyright...
Page 58 Bind: Check current binding status or start binding process on ground unit. Multiple Air Unit: Ground unit can save up to five bound air units for switching quickly with no need to bind them again. 58 / 173 2025 SIYI Technology Copyright...
Page 59 Please follow the steps below to bind the ground unit to the air unit. 1. In “SIYI TX” application, go to “System” page, then touch “Bind - Start”. 2. Ground unit status indicator will turn to “Red Fast Blinking”. And in “Bind”...
Page 60 It is forbidden to switch the air unit during flight. Switching the air unit during flight will cause the link to go out of control! 3.3.3 Frequency Self-Adapting In strong-interference environment, turn on the function, SIYI link will automatically search for the frequency band with least interference to get the 60 / 173...
Page 61 Mark After turning on the function in “SIYI TX”, please restart the link, otherwise it would fail. 3.3.4 Throttle Stick Switch throttle joystick type. Available types are Mode 1 (Japanese Hand), Mode 2 (American Hand), Mode 3 (Chinese Hand), and Customize Hand.
Page 62 3.3.6 Wireless Mode SIYI link supports switching wireless communication modes and cooperates with different types and different gain antennas to achieve the conditions most conducive to wireless communication and the ultimate communication distance. Mark Before configuring wireless modes, please carefully read the chapter 2.2 in this manual “...
Page 63 3.3.8 RC Output Mode Switch MK32 ground unit’s RC signal output mode between PPM and S.Bus or turning off. 3.4 Air Unit PWM Channels Assign communication channels for the five pins in air unit’s PWM port. 63 / 173 2025 SIYI Technology Copyright...
Page 64 3.5 Link Status Link Status page digitalized the system’s transmission quality by displaying the link’s real-time status in numbers and percentage. About Link Status Frequency: The current frequency channel that the system is working at. 64 / 173 2025 SIYI Technology Copyright...
Page 65 Failsafe function immediately. Failsafe function is to avoid aircraft crash by keeping the air unit outputting the pre-configured channel value when the air unit lost communication with the ground unit. 65 / 173 2025 SIYI Technology Copyright...
Page 66 1. Make sure that the ground unit is bound to the air unit. 2. Go to “Failsafe” page. 3. Failsafe function is not activated in default. The numbers on left represent channels. Channels display “Hold” when no channel value was input. 66 / 173 2025 SIYI Technology Copyright...
Page 67 Failsafe function means that when the communication between the ground unit and the air end is lost, the air unit continues to output the preset channel value to avoid a crash to the greatest extent. 67 / 173 2025 SIYI Technology Copyright...
Page 68 Handheld ground station supports changing the way that the buttons and the dials work. 3.7.1 Buttons The function changes the way that the buttons (A, B, C, D) works. About Buttons Lock: After pressing, the button bounces back but the channel will keep 68 / 173 2025 SIYI Technology Copyright...
Page 69 Centering: Under “ Centering” mode, when you push the dial and release, the dial ’ s outputting value will return to the initial value (middle point of the channel). Thumb-slide: Under “Thumb-slide” mode, when you push the dial and release, 69 / 173 2025 SIYI Technology Copyright...
Page 70 Steps 1. Before calibrating the joysticks, please make sure that both joysticks are naturally standstill, not displaced by any force. 2. In “Joystick Calibration” page, touch “Start”, the page shows as below. 70 / 173 2025 SIYI Technology Copyright...
Page 71 4. Calibration of joystick middle points are finished. The next step is to calibrate joystick maximum and minimum positions. Please follow the tips again to push each joystick to its maximum/minimum positions on all four dimensions. 71 / 173 2025 SIYI Technology Copyright...
Page 72 Up: 0, 100 Down: 0, -100 Left: -100, 0 Right: 100, 0 Then touch “Finish”. 5. The Joystick Calibration page will turn to its initial page. Joystick calibration is finished. 72 / 173 2025 SIYI Technology Copyright...
Page 73 Steps 1. Before calibrating the dials, please make sure that both dials are naturally standstill, not displaced by any force. 2. In “Dial Calibration” page, touch “Start”, the page shows as below. 73 / 173 2025 SIYI Technology Copyright...
Page 74 Please touch “next” and do not touch the dials. 4. Calibration of dial middle points is finished. The next step is to calibrate dial maximum and minimum positions. 74 / 173 2025 SIYI Technology Copyright...
Page 75 5. Dial Calibration page will return to its initial page. Dial calibration is finished. Mark If the dials do not stay in middle (coordinates are not 0) or do not output maximum / minimum value (-100 or 100), you shall calibrate them immediately. 75 / 173 2025 SIYI Technology Copyright...
Page 76 3.10 Multiple Links The multiple links feature only comes with the dual & repeater edition, including “Dual Operator”, “Remote Control Relay”, and “Wireless Repeater”. About Multiple Links 76 / 173 2025 SIYI Technology Copyright...
Page 77 1. Prepare two ground units (dual & repeater edition). 2. Go to “ Multiple Links – Function Type ” , assign the two ground units as “Dual RC TX-A” and “Dual RC TX-B”. 77 / 173 2025 SIYI Technology Copyright...
Page 78 5. In “ Control Channels ” page, configure channel mappings for “ TX-A” and “TX-B”. Then, when the dual operator function is enabled, “TX-A” can permit “TX-B” or withdraw from “TX-B” the control through the assigned channels. 78 / 173 2025 SIYI Technology Copyright...
Page 79 The "remote-control relay" function is developed for ultra-long-distance flight missions. It supports two ground units to relay control the same air unit to reach a maximum transmission distance twice that of a single standard 79 / 173 2025 SIYI Technology Copyright...
Page 80 3. Bind “TX-A” and “TX-B” to the same air unit in turns. 4. In “Control Switch” page, assign a switch / a button / a dial for switching control to the air unit between “TX-A” to “TX-B”. 5. Remote control relay feature is configured. 80 / 173 2025 SIYI Technology Copyright...
Page 81 HM30 ground unit and set it as “Repeater”. Turn on repeater function switch on the MK32 ground unit under the “Multiple Links” page as well. 2. Starting binding on all three devices: the MK32 ground unit, the HM30 ground unit, and the relevant air unit.
Page 82 RC FPV Firmware Version: Displays the FPV firmware version of the ground unit. AU FPV Firmware Version: Displays the FPV firmware version of the air unit. Mark The ground unit and air unit FPV firmware are not open for customer upgrade. 82 / 173 2025 SIYI Technology Copyright...
Page 83 1. New: Add a switch for wireless repeater. Updates 2. New: Add notification for wireless repeater switch. Date 2023-07-18 Version 1.1.240 Updates 1. New (MK32): Support remote controller signal output. Date 2023-07-11 Version 1.1.239 1. Improve: Frequency self-adapting support searching for the best channel. Updates 2.
Page 84 4.1 Communication with Android GCS through UART 4.1.1 JIYI Agri-Assistant 1. In “SIYI TX” app, go to “Datalink”, and choose “UART” in “Connection”, “JIYI (K3A / K++)” in “Flight Controller”, and “57600” in “Baud Rate”. 2. Run JIYI Agri-Assistant, choose “MK15” as the connection method.
Page 85 3. After confirming, remote controller will communicate with JIYI app automatically and shows “ device connected ” . Datalink connection is established. Mark SIYI links also support datalink connection to JIYI Agri-Assistant through Bluetooth. 85 / 173 2025 SIYI Technology Copyright...
Page 86 4.1.2 BOYING Agriculture 1. In “ SIYI TX ” app, go to “ Datalink ” , and choose “ UART ” in “ Connection ” , “BOYING (Paladin)” in “Flight Controller”, and “57600” in “Baud Rate”. 2. Run BOYING agriculture, choose “MK15” as the connection method.
Page 87 SIYI links also support datalink connection to BOYING GCS through Bluetooth. 4.1.3 VK Agriculture 1. In “SIYI TX” app, go to “Datalink”, and choose “UART” in “Connection”, “VK (V7AG / V9AG)” in “Flight Controller”. The baud rate will automatically adapt to “115200”.
Page 88 4.2 Communication with Android GCS through USB COM 4.2.1 QGroundControl 1. In “SIYI TX” app, go to “Datalink”, and choose “USB COM” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ”, and match the baud rate with the flight controller TELEM port.
Page 89 If it is your first time adding a new connection in QGC, please do not check the option “Automatically Connect on Start”. It can be checked later when you confirm that the datalink is connected successfully. 89 / 173 2025 SIYI Technology Copyright...
Page 90 4.2.2 Mission Planner 1. In “SIYI TX” app, go to “Datalink”, and choose “USB COM” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ”, and match the baud rate with the flight controller TELEM port. 2. Run Mission Planner, select the relevant port and match the baud rate.
Page 91 4.3 Communication with Android GCS via Bluetooth 4.3.1 QGroundControl 1. In “SIYI TX” app, go to “Datalink”, and choose “Bluetooth” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ”, and match the baud rate with the flight controller TELEM port.
Page 92 “Add” a new connection. Name it as “Bluetooth”. 4. Set the type as “Bluetooth”, then touch “Scan”. 5. Touch the Bluetooth device of which the name is starting with “ SIYI- XXXXXXX”, then touch “OK” to go back to the Comm Links page.
Page 93 If it is your first time adding a new connection in QGC, please do not check the option “Automatically Connect on Start”. It can be checked later when you confirm that the datalink is connected successfully. 93 / 173 2025 SIYI Technology Copyright...
Page 94 4.3.2 Mission Planner 1. In “SIYI TX” app, go to “Datalink”, and choose “Bluetooth” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ”, and match the baud rate with the flight controller TELEM port. 2. Run Mission Planner, select the relevant port (COM-xx Bluetooth) and match the baud rate.
Page 95 4.4 Communication with Android GCS through UDP 4.4.1 QGroundControl 1. In “SIYI TX” app, go to “Datalink”, and choose “UDP” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port’s.
Page 96 4. Confirm and start to “Connect”. The top progress bar in QGC starts to move, which means the handheld ground station is communicating with QGC automatically. Please wait until the datalink connection is established. 96 / 173 2025 SIYI Technology Copyright...
Page 97 4.4.2 Mission Planner 1. In “SIYI TX” app, go to “Datalink”, and choose “UDP” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port’s.
Page 98 2. Run Mission Planner, select the relevant port (UDPCl) and match the baud rate. “Port” as “19856”. “Server addresses” as “192.168.144.12”. Then connect. 3. Please wait until the datalink connection is established. 98 / 173 2025 SIYI Technology Copyright...
Page 99 2. In “SIYI TX” app, go to “Datalink”, and choose “Upgrade Port (MK15) / Type- C (MK32) ” in “ Connection ” , “ PX4 / ArduPilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port.
Page 100 4. Confirm and start to “Connect”. The top progress bar in QGC starts to move, which means the handheld ground station is communicating with QGC automatically. Please wait until the datalink connection is established. 100 / 173 2025 SIYI Technology Copyright...
Page 101 2. In “SIYI TX” app, go to “Datalink”, and choose “Upgrade Port (MK15) / Type- C (MK32) ” in “ Connection ” , “ PX4 / ArduPilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port.
Page 102 3. Run Mission Planner, select the relevant port and match the baud rate. 4. Please wait until the datalink connection is established. 102 / 173 2025 SIYI Technology Copyright...
Page 103 Unit WiFi Hotspot 4.6.1 QGroundControl 1. In “SIYI TX” app, go to “Datalink”, and choose “UDP” in “Connection”, “PIX / PX4 / Ardupilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port.
Page 104 5. Confirm and start to “Connect”. The top progress bar in QGC starts to move, which means the remote controller is communicate with QGC automatically. Please wait until the datalink connection is established. 104 / 173 2025 SIYI Technology Copyright...
Page 105 4.6.2 Mission Planner 1. In “SIYI TX” app, go to “Datalink”, and choose “UDP” in “Connection”, “PX4 / ArduPilot ” in “ Flight Controller ” , and match the baud rate with the flight controller TELEM port.
Page 106 Windows computer through WiFi. 3. Run Mission Planner, select the relevant port (UDPCl) and match the baud rate. “Port” as “19856”. “Server addresses” as “192.168.144.12”. Then connect. 4. Please wait until the datalink connection is established. 106 / 173 2025 SIYI Technology Copyright...
Page 107 2. If you are using a customized telemetry cable, please check:  If cable pin map is correct?  If the TX and RX pins in the flight controller and air unit telemetry port are swapped? 107 / 173 2025 SIYI Technology Copyright...
Page 108 3. In “ SIYI TX ” app, go to the “ Link Status ” page to check communication status. When the communication is good, “data download” is not 0. If it is “0”, please go back to check step 1 and 2.
Page 109 4.8 SIYI Datalink SDK SIYI links can be integrated to customers ’ own network or ground station by acquiring SDK communication protocol. 4.8.1 Format Field Index Bytes Description 0x5566: starting mark CTRL 0: need_ack (if the current package need “ack”) 1: ack_pack (if the package is an “...
Page 110 5: BAUD_115200 6: BAUD_230400 Joystick Type: 0: Mode 1 Uint8_t Joy_type 1: Mode 2 2: Mode 3 3: Custom Uint8_t Rc_bat Ground Unit Battery Level x 10V Send System Settings Commands to Ground Unit 110 / 173 2025 SIYI Technology Copyright...
Page 111 1: ok int8_t Negative number means error Request Channel Data CMD_ID:0x42 ------ Request Channel Data Send data format Data Data Type Data Description Name Output Frequency 0: OFF Uint8_t freq 1: 2Hz 2: 4Hz 111 / 173 2025 SIYI Technology Copyright...
Page 112 55 66 00 20 00 99 00 42 DC 05 DC 00 DC 05 DC 05 DC 05 DC 05 DC 05 DC 05 DC 05 DC 05 DC 05 1A 04 DC 05 DC 05 1A 04 1A 04 FF 88 Request Datalink Status CMD_ID:0x43 ------ Request Datalink Status Send data format 112 / 173 2025 SIYI Technology Copyright...
Page 113 Data Type Data Data Description Name ACK Data Format int32_t signal Signal percentage: % inactive_ti int32_t int32_t upstream Data upload: byte/s downstrea int32_t Data download: byte/s txbandwidt Upload bandwidth int32_t (txbandwidth / 1000 Mbps) 113 / 173 2025 SIYI Technology Copyright...
Page 114 1: Buttons, Switches CH1_entity uint8_t Physical Channel ID Physical Channel Type uint8_t CH2_type 0: Joystick, Dials 1: Buttons, Switches CH2_entity uint8_t Physical Channel ID Physical Channel Type uint8_t CH3_type 0: Joystick, Dials 1: Buttons, Switches 114 / 173 2025 SIYI Technology Copyright...
Page 115 RC Channel (1 to 16) Physical Channel Type uint8 type 0: Joystick, Dials 1: Buttons, Switches uint8_t entity_id Physical Channel ID Example: Send (HEX): 55 66 01 01 00 00 00 49 02 4F 1C 115 / 173 2025 SIYI Technology Copyright...
Page 116 Physical Channel Type entity_id Channel Definition Joystick Dial 3-Stage Switch Button Virtual Channel No physical channel is NULL mapped MK32 Handheld Ground Station Physical Channel Type entity_id Channel Definition Joystick Dial 3-Stage Switch 116 / 173 2025 SIYI Technology Copyright...
Page 117 55 66 01 03 00 00 00 4A 02 00 00 4F EB Response (HEX): 55 66 02 02 00 18 00 4A 02 01 4C C3 Request All Channel Reverse CMD_ID:0x4B ------ Request All Channel Reverse 117 / 173 2025 SIYI Technology Copyright...
Page 118 55 66 02 10 00 19 00 4B 01 FF 01 01 01 01 01 01 01 01 01 01 01 01 01 01 D1 F9 Request Channel Reverse CMD_ID:0x4C ------ Request Channel Reverse Send data format Data Type Data Data Description Name uint8_t rc_ch Channel 1 to 16 ACK Data Format 118 / 173 2025 SIYI Technology Copyright...
Page 119 55 66 01 02 00 00 00 4D 02 FF 0F 86 Response (HEX): 55 66 02 02 00 1D 00 4D 02 01 8B 65 Request Firmware Version CMD_ID:0x47 ------ Request Firmware Version Send data format Data Type Data Data Description Name 119 / 173 2025 SIYI Technology Copyright...
Page 120 55 66 02 10 00 02 00 47 00 03 05 68 07 02 05 69 02 02 00 56 02 02 00 56 6d 21 4.8.3 Communication Interface SIYI datalink SDK supports four interfaces, which can be switched in SIYI TX app.
Page 121 2) USB COM (USB to Serial) (Baud rate is the same with datalink baud rate) 3) Bluetooth 4) MK15 RC Upgrade Port / MK32 RC Type-C Port (Virtual serial port based on USB port) 4.8.4 SDK CRC16 Check Code const uint16_t crc16_tab[256];...
Page 122 = crc_init; while (len--!=0) temp=(crc>>8)&0xff; oldcrc16=crc16_tab[*ptr^temp]; crc=(crc<<8)^oldcrc16; ptr++; //crc=~crc; //?? return(crc); uint8_t crc_check_16bites(uint8_t* pbuf, uint32_t len,uint32_t* p_result) uint16_t crc_result = 0; crc_result= CRC16_cal(pbuf,len, 0); *p_result = crc_result; return 2; 122 / 173 2025 SIYI Technology Copyright...
Page 123 {0x0,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7, 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef, 0x1231,0x210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6, 0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de, 0x2462,0x3443,0x420,0x1401,0x64e6,0x74c7,0x44a4,0x5485, 0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d, 0x3653,0x2672,0x1611,0x630,0x76d7,0x66f6,0x5695,0x46b4, 0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc, 0x48c4,0x58e5,0x6886,0x78a7,0x840,0x1861,0x2802,0x3823, 0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b, 0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0xa50,0x3a33,0x2a12, 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a, 0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0xc60,0x1c41, 0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49, 0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0xe70, 0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78, 0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f, 0x1080,0xa1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067, 0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e, 123 / 173 2025 SIYI Technology Copyright...
Page 124 0x2b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256, 0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d, 0x34e2,0x24c3,0x14a0,0x481,0x7466,0x6447,0x5424,0x4405, 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c, 0x26d3,0x36f2,0x691,0x16b0,0x6657,0x7676,0x4615,0x5634, 0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab, 0x5844,0x4865,0x7806,0x6827,0x18c0,0x8e1,0x3882,0x28a3, 0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a, 0x4a75,0x5a54,0x6a37,0x7a16,0xaf1,0x1ad0,0x2ab3,0x3a92, 0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9, 0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0xcc1, 0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8, 0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0xed1,0x1ef0 124 / 173 2025 SIYI Technology Copyright...
Page 125 5 SIYI FPV APP SIYI FPV is an Android application developed by SIYI to configure many SIYI products for video display, camera stream settings, and communication link status monitoring. Mark This chapter is edited based on SIYI FPV App v2.5.15.691.
Page 126  Air Unit HDMI Input Converter  HM30 Full HD Image Transmission System  MK15 / MK15E Mini Handheld Ground Station SIYI FPV App OSD Information Definition SIYI FPV Camera Function Icon Definition 126 / 173 2025 SIYI Technology Copyright...
Page 127 5.1 Settings In “Settings” page, you can select camera type with stream type, select or input video stream IP addresses, custom app interface, and switch video decoding type. 127 / 173 2025 SIYI Technology Copyright...
Page 128 About Settings Camera IP: Select among SIYI AI Camera, SIYI Camera 1 and SIYI Camera 2, between main stream and sub stream, select or input video stream RTSP addresses, disable image, or rotate the relevant image in 180 degrees. Cross Sight: Enable / disable a cross sight in the center of the image.
Page 129 Speed Unit: Switch speed unit between meter per seconds and kilometer per hour. Longitude and Latitude: Enable / disable information. 5.3 Gimbal Camera Configure the abundant functions of SIYI optical pod and gimbal camera. 129 / 173 2025 SIYI Technology Copyright...
Page 130 Synchronize Zoom: Enable / disable simultaneous zooming of the thermal camera and the zoom camera. Thermal Calibration: To calibrate the thermal camera by changing environment elements. Thermal Palette: Assign different color solutions for the thermal imaging 130 / 173 2025 SIYI Technology Copyright...
Page 131  OFF: Through the gimbal camera’s Ethernet only. Gimbal Working Mode: Switch gimbal working mode among Lock Mode, Follow Mode, and FPV Mode.  Lock Mode: Horizontally, gimbal does not follow when aircraft rotates. 131 / 173 2025 SIYI Technology Copyright...
Page 132 Gimbal Firmware Version: Display current gimbal firmware version. Zoom Firmware Version: Display current gimbal firmware version (Only available for optical zoom cameras). 5.4 About SIYI FPV Displays the software version of SIYI FPV and common contact information of SIYI Technology. 132 / 173 2025 SIYI Technology Copyright...
Page 133 2. New (A8 mini): Enable OSD watermark on recording images. 3. New: Both video streams can turn on / off recording. 4. New (SIYI AI Tracking Module): A switch for flight tracking. Updates 5. New (Thermal): A switch for thermal gain.
Page 134 4. New: Status indication for missing TF card. 5.6 SIYI FPV SDK Guide SIYI provides the SIYI FPV SDK to help professional Android application developers to integrate the unique features in SIYI FPV app to their own GCS. 134 / 173 2025 SIYI Technology Copyright...
Page 135 Copy the “fpvlib.aar” file to the “libs” folder in your “module” like below: Revise the “build.gradle” file: b) Configure “AndroidManifest” File Add USB reading authorization to the “AndroidManifest” file in your “module” and configure “intent-filter” file. 135 / 173 2025 SIYI Technology Copyright...
Page 136 Add JNI Library Like the example below, add JNI library file into the “main” directory, then the “so” library file can be copied from “demo” to your project directory. Add FPV Video Display to Code 136 / 173 2025 SIYI Technology Copyright...
Page 137 “notifySurfaceDestroy” method from “surfaceCreated()” and “surfaceDestroy()”. mSurfaceView.getHolder().addCallback(new SurfaceHolder.Callback() { @Override public void surfaceCreated(SurfaceHolder holder) { Logcat.d(TAG, "onSurfaceCreated..."); mConnectionManager.notifySurfaceCreate(holder.getSurface()); @Override public void surfaceChanged(SurfaceHolder holder, int format, int width , int height) { @Override public void surfaceDestroyed(SurfaceHolder holder) { mConnectionManager.notifySurfaceDestroy(holder.getSurface()); 137 / 173 2025 SIYI Technology Copyright...
Page 138 “UsbConnectionManager.release()” method. For more detail, please refer to the codes in “demo”. 5.6.2 Interface Instructions ConnectionManager Name Description Single case method getInstance(Context context) “ConnectionManager” setWirelessUrl(String url1, String url2) addresses video 138 / 173 2025 SIYI Technology Copyright...
Page 139 Set if print the log in the sdk. It is setLogEnable(boolean) suggested to disable print in the “release” version. setDecodeType(Context context, Set decoding type. In default it is @IDecodeListener.DecodeType hardware decoding. decodeType) 139 / 173 2025 SIYI Technology Copyright...
Page 140 “ RtspConstants.DEFAULT_TCP_VIDE O_URL” “SUB_TCP_VIDEO_URL”. Attention： setRectify(Context context, boolean If distortion correction is activated, rectify) when you switch from SIYI camera addresses “ RtspConstants.DEFAULT_TCP_VIDE O_URL” “ SUB_TCP_VIDEO_URL” to RTSP addresses, surface objects should be imported. One way to do this is to remove “...
Page 141 * [CAMERA_RESOLUTION_2K] 2K, [CAMERA_RESOLUTION_4K] 4K, fun setResolution(cameraIndex: Int, @CameraInfo.StreamType streamType: Int, @CameraResolution resolution: Int) 5.7 SIYI FPV SDK Update Log Version 2.5.15 1. Fix the issue that RTSP stream may blurr. 2. Add camera control interface. 3. Fix some other known issues.
Page 142 1. Fix the issue that the video stream of some IP65 cameras may blurr. 2. Add to support ZT30 camera video stream. Updates Mark: It is necessary to update the “so” and “aar” file, which can be updated frm the “aar_so” folder. 142 / 173 2025 SIYI Technology Copyright...
Page 143 6 IMAGE TRANSMISSION SIYI MK32 / HM30 / MK15 links support up to 1080p resolution, 60 fps, and real-time image transmission with a latency as low as 150 milliseconds. It is suitable for SIYI optical pods and gimbal cameras and supports connecting to third-party optical pods and gimbal cameras.
Page 144  SIYI Handheld Ground Station (MK32 Standard Combo / MK15 Enterprise Standard Combo is suggested for excellent compatibility with SIYI gimbal cameras)  A8 mini Gimbal Camera Mark Above products can be purchased from SIYI directly or from SIYI authorized dealers.
Page 145 1. Power air unit and bind it with ground station. 2. Use SIYI Gimbal to SIYI Link Cable to connect the air unit ’ s Ethernet port with the gimbal camera’s Ethernet port. 3. Update SIYI FPV app to the latest.
Page 146 Farther that you hold it from the center of the screen, faster the gimbal rotates. 6.1.3 Zoom While SIYI FPV App or SIYI QGC app is running, Touching “Zoom in” or “Zoom out” icon on can control the zoom camera, up to 6X digital zoom.
Page 147 6.2 Control SIYI Optical Pod (Gimbal Camera) in SIYI FPV App or SIYI QGC App through SIYI link SIYI optical pod (gimbal camera) can connect to SIYI link directly to control gimbal rotation, gimbal functions, and video display in SIYI FPV app or SIYI QGC app when the air unit is communicating with the ground unit.
Page 148  SIYI Links (MK32 Standard Combo / HM30 / MK15 Enterprise Standard Combo is suggested for excellent compatibility with SIYI gimbal cameras)  SIYI Optical Pod (Gimbal Camera) Mark Above products can be purchased from SIYI directly or from SIYI authorized dealers.
Page 149 1. Power the air unit and bind it with the ground unit. 2. Use SIYI Gimbal to SIYI Link Cable to connect the air unit’s Ethernet port to the gimbal camera’s Ethernet port. 3. Update SIYI FPV app to the latest.
Page 150 Farther that you hold it from the center of the screen, faster the gimbal rotates. 6.2.3 Zoom While SIYI FPV App or SIYI QGC app is running, Touching “Zoom in” or “Zoom out” icon on can control the zoom camera, up to 6X digital zoom.
Page 151 Steps 1. In camera settings, check and copy the RTSP address of your camera. 2. Let’s take SIYI QGroundControl as an example. Run QGC, go to “General – Video Settings”. 3. Configure “ Source ” as “ RTSP Video Stream ” . Then input the copied RTSP address of your camera after “RTSP URL”.
Page 152 HDMI camera must be through the SIYI air unit HDMI input converter to output to the SIYI air unit, please refer to the steps below for detail. 1. Let’s take SIYI QGroundControl as an example. Run QGC, go to “General - Video Settings”.
Page 153 6.5.2 Input Dual Third-Party IP Cameras / Optical Pods Make sure that the two IP cameras / pods use different IP addresses and connect them to the FPV Hub. Then open SIYI FPV app, input the RTSP addresses, and you will see two video streams.
Page 154 SIYI Ethernet to HDMI Output Converter IP Add: 192.168.144.50 SIYI AI Camera IP Address: 192.168.144.60 SIYI Optical Pod / Gimbal Camera’s Default IP Addresses: 192.168.144.25 (NEW) SIYI Optical Pod / Gimbal Camera’s Default RTSP Addresses:  SIYI AI Camera: rtsp://192.168.144.25:8554/video0 ...
Page 155 Common Video Player: SIYI FPV, QGroundControl, EasyPlayer Network Diagnosis Tool: Ping Tools Mark SIYI cameras released after ZT30 (including ZT30 and ZT6) start to use the new addresses. SIYI cameras released before ZT30 (including ZR30, A2 mini, A8 mini, ZR10, and R1M) are stilling using the old addresses.
Page 156 If not, please enable Ethernet function in Android system settings. Mark If you have done trouble shooting by following all steps above, but there are still no clues, please contact your reseller or SIYI after-sale service. 156 / 173 2025 SIYI Technology Copyright...
Page 157 Let ’ s take an example of outputting video stream to a Windows laptop, running SIYI QGroundControl. 1. Go to Android system settings “Network & Internet – Hotspot & Tethering – Wi-Fi Hotspot”. 157 / 173 2025 SIYI Technology Copyright...
Page 158 2. Enable “Wi-Fi Hotspot”, configure the hotspot name and its password. 3. Connect the Windows laptop’s with the remote controller through WiFi. 4. Run SIYI QGroundControl on the laptop, go to “Application Settings - Video”. Switch the video source to “RTSP Video Stream”.
Page 159 If it happens, you can assign one video stream as “ SIYI Camera 1 / 2 ” protocol, and another video stream as standard RTSP protocol. 6.8.3 Through LAN Port Let ’ s take an example of outputting video stream to a Windows laptop, running Easyplayer.
Page 160 4. Input the complete RTSP addresses of the connected camera or gimbal in Easyplayer to display the video stream. 160 / 173 2025 SIYI Technology Copyright...
Page 161  SIYI QGroundControl  Ping Tools If you need to download the above apps, please visit the relevant product pages on SIYI Official Sites (www.siyi.biz). 7.2 Import and Install App 7.2.1 Through TF Card Save the files into your TF card and insert the card into the remote conroller.
Page 162 Type-C port as file transfer mode. Steps 1. Connect the remote controller to the Windows computer through the Type- C port. 2. Confirm to “Disable video stream to enable Type-C data transfer”. 162 / 173 2025 SIYI Technology Copyright...
Page 163 3. Tap “Android System – Charging this device via USB”. 4. Keep tap for more information. 5. Choose “File Transfer”. 163 / 173 2025 SIYI Technology Copyright...
Page 164 6. You will see the remote controller as a storage device in your Windows computer. 7.3 Check Android Firmware Version Remote controller carries a specialized Android system. Steps 1. Go to Android system settings. 164 / 173 2025 SIYI Technology Copyright...
Page 165 2. Slide down to the “About Phone” settings. 3. Slide down to the last option to check the Android firmware version. 165 / 173 2025 SIYI Technology Copyright...
Page 166 8 SIYI Assistant SIYI PC Assistant is a Windows software developed by SIYI to configure many SIYI products for configuration, firmware update, and calibration. Mark The manual is edited based on SIYI PC Assistant v1.3.9. SIYI PC Assistant and the relevant firmware pack can be downloaded from SIYI official website: https://siyi.biz/en/index.php?id=downloads1&asd=193...
Page 167 Mark Above tools come with product package. Firmware Upgrade Steps 1. Install “SIYI Assistant” on your Windows device. 2. Use the upgrade cable to connect the remote controller ’s upgrade port to the Windows computer’s USB port. 167 / 173...
Page 168 3. Run “SIYI Assistant” and switch to the “Upload” page to check the current firmware version of the remote controller and the air unit. 4. If the firmware is not the latest, then click the “Select File” button in the “RC”...
Page 169 8.2 Main Firmware Update Log Date 2023-12-15 Ground Unit 0.2.1 Firmware SIYI TX App 1.1.253 SIYI FPV 2.5.15.691 Updates 1. New: SIYI Datalink SDK supports UDP protocol. 169 / 173 2025 SIYI Technology Copyright...
Page 170 (HD-Ground should be 0.2.4 and above). Updates 2. New: Support establishing UDP datalink with Mission Planner (HD-Ground should be 0.2.4 and above). 3. New: Now SIYI datalink SDK can request remote controller and air unit 170 / 173 2025 SIYI Technology Copyright...
Page 171 4. New: Compatible with A2 mini gimbal pitch rotation control. 5. New: Support switch RC signal output type in “SIYI TX” app. 6. Fix: Binding failure caused by baud rate change did not sync. 7. New: Support auto frequency channel adaptive and manual switching frequency channel (HD-Ground should be 0.2.4 and...
Page 172 8.3 SIYI Assistant Update Log Date 2024-01-06 Version 1.4.0 1. New: Support AI follow function and adjusting follow speed. Updates Date 2023-12-18 Version 1.3.9 1. New (ZT30, ZT6): An activation process for thermal imaging function. Updates Date 2023-11-02 Version 1.3.8 1.
Page 173 9 After-sale Service Please visit SIYI Technology's official website at https://siyi.biz/en/index.php?id=support for the latest after-sales service and warranty information. 173 / 173 2025 SIYI Technology Copyright...

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