hi the ds3 needs two address , address (1) will control the red /green and address (2) will control the amber so clip in the signal to the track , short out the the metal contacts on the side pick your address ( the select accesories start at 60 ) say 60 then press the direction arrows on your select ,the signal should be programmed , then call up the address and press the direction buttons and the red green should change the second address should be 61 to control the amber the traintech point controllers work in a similar fashion wire to the track press the teach button choose your address press direction arrows .job done what you pay for imo is the simplicity of the programming method , done and dusted in minutes .