--- In logic-users@yahoogroups.com, "Cyril Blanc" <blanc.cyril@...> wrote: > Have you tried that with sending a midi clock to the software > connected thru IAC ? > Even cabling a monitor on the inputs is making Logic going mad I think Logic grabs any incoming clock signal before it reaches the environment, so if you have Logic set to auto-sync to external clock, it will keep trying to sync to its own clock through the IAC loop. The solution might be to turn off the auto-sync, which I think is in tempo & sync prefs (song prefs?) John Pitcairn ---------------------------------------------------------------------------- - LC Xmu Logic/Mackie Control emulation & management, LC Xview software LC/MC display, Logic environments & stuff... Opus Locus - http://www.opuslocus.com ---------------------------------------------------------------------------- -