4.2.9 Once the firmware transfer is complete, wait for the ground side display
screen to turn off and restart, and the upgrade is completed.
4.3 Offline upgrade mode
4.3.1 Download “CziAssistant.exe” PC software installation package from the
official website: www.czi.com.cn.
4.3.2 Connect the TK3 ground end to the power supply and turn on the air
switch; connect the data cable to the TYPE-C of the panel, and connect the
other end to the computer.
4.3.3 Insert the high voltage cable of TK3 ground end into the drone end,
press and hold the “Power switch” for 3S to turn on the power output. (The
drone end can not be installed on the UAV), as shown in the figure.
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