The symptoms: Wild and erratic scrolling (back and forth, again and again) Occasionally its associated with a random (no where near the scroller's channel, or dimmer #) Half Cells. When I notice this and can do something about it I'll unplug the power supply and they will sometimes reset, but not always The Facts: -Total length of cable is under 200' (usually around 150' -180') in a complete loop connecting each scroller to the next then a final run back to the pwoer supply -Powered by Smart Power 400W with only 8 scrollers per run (sometimes 4 per run, sometimes 8) -Always terminated properly -on several different boards including etc express 48/96,OBSI, OBSII, and an entec DMX pro running some freeware program I don't care to find the name of. The Question: Has anyone else encountered this behavior? I find it hard to believe Apollo would put out such a sloppy product, but I can't seem to figure out what the deal is. Aside from the erratic scrolling when a certain, random channel (it's different each time) is at full I can't find any correlating circustances.