Also, right-clicking a repeater with the manipulator.You won't see it do anything unless it needs to draw power to create something. One way to test it is to make a storage crystal and the device that holds it, place the device on your table in the center of the complex, and insert the storage crystal into the device. If power goes in, you're good. If not, it's missing line of sight. At least that's how I tested it early on, heh.
Also, regarding that AMA that never really got finished:
http://www.minecraftforum.net/forum...-worldgen-civilization-and-more?comment=21572
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