For hdzero goggle:
You need to confirm that the FW version is >= 7.66.120.
copy pitlab_000.bmp to your sd card, the path is resource/OSD/FC/, if the path does not exist, please create it.

For hdzero vrx4:
You need to confirm that the FW version is 40.2A.4A.
copy *.bmp to your sd card, the path is Resource/, if the path does not exist, please create it.

For sharkbyte vrx:
You need to confirm that the FW version is 40.8F.4E.
copy *.bmp to your sd card, the path is Resource/, if the path does not exist, please create it.

