Manufacturers should include a DVD that covers connecting of sewer hose and dumping of waste water, connecting of cable TV vs roof antenna , sanitizing of fresh water tank, deploying awning, securing and stowing it, starting and shutdown of RV generator and roof AC and care and maintenance of house and starting batteries. Should also cover testing of converter/charger and explain 12 volt DC and 110volt AC power systems and what they power.
There are You Tube videos that cover much of RV operation and maintenance, but average RV'er may not have Internet acccess on the road.