I have a medium-size layout: 25 x 40 bldg, 5 'super' TIU's, ~ 800' of track, 20 power blocks, each with ~ 10 sets of wires from the 5 terminal blocks to the tracks.
Adding a new engine takes LONG time....say a minute or so. My Q: WHY DOES IT TAKE SO LONG TO FIND A NEW ONE?
Barry mentions things like addresses & messages, I know; but no details. What's REALLY going on?