DJI Dock 2/Matrice 3D Series Unmanned Aircraft Flight Manual
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1.  Open the electrical cabinet and power on the dock. Connect the computer to the USB-C port 
of the dock.
2.  Run DJI Assistant 2 and log in with a DJI account.
3.  Select DJI Dock 2, and click the rmware update button on the left.
4.  Select the rmware version and click Start Update. The rmware will be  downloaded and 
updated automatically.
5.  The DJI device will restart automatically after the rmware update is complete.
• Make sure the AC power supply of the dock is normal before rmware update. If there 
is no AC power supply and the dock is only powered by the backup battery, rmwares 
cannot be updated using DJI FlightHub 2 or DJI Assistant 2.
Expansion Ports
The aircraft is equipped with an E-Port that allows access to third-party payloads such as loud 
speakers and spotlights. The E-Port lite can be used to connect parachute payloads when the 
E-Port is connected to other devices. The dock reserves a space inside the dock cover for storing 
the third-party payload, which facilitates the expansion of the aircraft operating capabilities.
• To ensure ight safety, make sure to follow the Payload Development Criteria when 
developing PSDK payloads. Visit https://developer.dji.com/payload-sdk/ to  view the 
documentation and the DJI Enterprise Ecosystem Solution Catalogue to learn more 
about the payload development criteria and the recommended payloads.
• The E-Port supports high power output and standard PSDK functions, while the E-Port 
Lite only supports a low power output of 5 V and PSDK parachute payloads.
Third-Party Payload Requirements
•  Installing a third-party payload will shorten the fight time and reduce the aircraft wind 
resistance. Make sure to install the payload as needed. 
•  The third-party payload should have the protection rating of IP54 or above in order not to 
reduce the working stability or the service life of the aircraft. 
•  The port of the third-party payload connecting to the aircraft should have a water-resistant 
rubber ring.
Installation Requirements
•  The size of the reserved storage space inside the dock cover is 150 mm × 150 mm × 100 mm 
(length×width×height). 
•  The height of the PSDK payload must not exceed 70 mm.
•  After installing the payload, make sure that the third-party payload does not block the 
aircraft vision system to avoid aecting the obstacle-sensing performance.