Does this product support analogue video transmission?

What should I do if the DJI O4 Air Unit series only shows the video transmission screen and does not display OSD information after connecting to DJI Goggles?

Can the DJI O4 Air Unit series share accessories with the DJI O3 Air Unit?

Can I fly a racing drone using the DJI O4 Air Unit Series at the same time as other racing drones using analogue video transmission?