Hi, I dunno who should fix this - could one of the CIS people please report to whoever is responsible... [URL]http://www2.clipsal.com/cis/technical/technical_support/newsletters_and_faq/light_dimming_methods/trailing_edge[/URL] [QUOTE]Normal C-Bus dimmers support the "Trailing Edge" method only. A newly released range of "wireless" C-Bus products does provide alternatives for trailing edge control[/QUOTE] OOPS - that should read : [QUOTE]Normal C-Bus dimmers support the [I][B]"Leading Edge"[/B][/I] method only. A newly released range of "wireless" C-Bus products does provide alternatives for trailing edge control[/QUOTE] Cheers, John