The first section signalled is the fiddle yard. The fiddle yard isn't a scenic section, so the signals don't have to look that part. Instead there are small signals inserted into the baseboard. Small signals made from 3mm red/amber/green LEDs have been assembled using veroboard, and mounted into the baseboard to the left of each track.
The web site can be searched: type a search term (e.g. "DAC10") into the search box on the right hand side of the header, and hit enter. the search engine will find words matching the search string in the main body of the site, but it won't search attached documents (e.g. the product manuals).
Many articles are displayed one after the other. some are quite short, and say "read more" at the bottom. Click that to read the remainder of the article.