I am using Crestron home automation to automate my Mercedes Sprinter. I am needing the discrete codes for the JVC double Din radio.

Unit is KW-M730BT, remote model is RM-RK258.

I am needing the codes that direct straight to the "Source" choice, ie USB, or BT, OR AV... so when I touch the "Movie" GUI on iPad, the blinds go down, TV lifts, Lights dim (Got all this going already) and JVC Media Unit goes straight to AV Source. Currently one has to repeetedly push the "Source" button on remote to toggle through to desired source. I hope you might be able to assist.