For security purposes, the manufacturer disabled the ability to view video while moving on the second generation of RX. This function can be returned.
To do this, one of the wires for a multimedia device connector must be cut and the other cable must be attached to the device enclosure.
A light blue line is required, and a white wire to the third line from the edge of the media connector needs a snack and ground grounded to the device itself.
After this development, the image from the rear view is stored when the rear of the system is turned on. If you select any other FAC mode, the image will be transferred from the DVD if the playback is started.