Dji live audio out not working

[willau01]

Hi goggles are V1 which came with the dji fpv air unit. Have rooted goggles and air unit successfully on the wtfos configurator page. have installed live audio out package on goggles only there was no package to install for air unit . Have tried playback old video on goggles and turned volume up full then exit remove sd card and turn on air unit but no audio have tried activating recording still no sound out have also tried trs and trrs headphone leads and help appreciated.