Hi guys,
I am new to A3 Pro+Lightbridge 2 with FPV air systems and developing it on my project.
I noticed that there is AV port in Lightbridge 2 and I also saw the example to connect FPV camera to this port.
But I haven't found any instruction that can identify which cable to connect to the AV port to let the video transmission from the Air Unit Module also show up on my DJI Go display (other than my goggles, as my ground crew also want to see the output too).



Can anyone guide me to connect the Air Unit Module with A3 Pro and Lightbridge 2 to maximize its function of the Air Unit Module (also including OSD) ?

I think you're going to have an uphill battle on this one. DJI traditionally does not support connecting one generation of product with another. You would likely need special firmware for each device. The Air Unit does not currently output video over the UARTs or HDL.