Do you have a question about the Lionel O-72 and is the answer not in the manual?
Connect track sections using pins for good electrical contact.
Mount the switch motor on either side by relocating screws and driving pin.
Connect the controller wires to the switch terminals for operation.
Replace burnt-out lamps in the switch and controller by turning them counter-clockwise.
Non-derailing feature allows trains to pass closed branches via electrical circuit.
Connect accessories to trackside control rails via controller and fixed-voltage plug.
Details on how to get service, contact numbers, and website.
Fields to record purchase details for warranty claims.