DJI H3-3D User Manua - Manual (Page 16)

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Fig.1 Tilt Upwards Fig.2 Tilt Downwards
3.4 Firmware & Software Upgrade
3.4.1 Firmware Upgrade
Follow the below procedures to upgrade the firmware upgrade, failure to do so might damage the gimbal:
1. Ensure your computer has access to the internet.
2. Close all the other applications (anti-virus application or firewall) before upgrading the firmware.
3. Make sure the power supply is securely connected. DO NOT unplug the power supply before the
upgrade completes.
4. Connect the GCU to PC through a Micro-USB cable, DO NOT disconnect the cable until firmware
upgrade completes.
5. Launch the Assistant Software and wait until connection is established.
6. Select UpgradeMain Control, IMU and CMU.
7. DJI Innovations server will check the current firmware version,
8. If a newer firmware is detected, the Assistant Software will download the upgrade the firmware
automatically.
9. Wait until the firmware upgrade completes.
10. Click OK and power cycle the system to finish the upgrade process.
Notes:
(2) CMU stands for “Camera Multi Unit”, which is management module for the camera.
(3) To eliminate the interference from the master control, it is recommended to disconnect the CAN-Bus
cable between GCU and master control before you upgrade the IMU or CMU.
(4) Double check the parameters once you have finish upgrading the firmware.
(5) Repeat (1) to (4) when the DJI server experiences heavy traffics or firmware upgrade fails.
3.4.2 Software Upgrade
Click Info  Software Info, if the latest version is higher than the current version, you are advised to upgrade the
Assistant Software.
Obtain the serial number of the gimbal by clicking the “Info”  “SN”. SN is a 32 digits authorization code that is
used to activate the gimbal. This authorization code has been filled at the manufacturing site when before its
shipment. You might be prompted to fill a new SN if you purchase a new feature in the future. If you fills an invalid
SN for more than 30 times, the gimbal will be locked and you have to contact our customer support to unlock the
gimbal.