Hope someone can help, I've got 7 MegaBars along with some Chauvet effects.  I'm running a ShowExpress 512 interface (I'll get to ADJ stuff shortly).  When I run a pattern it starts in sync then slowly falls out of sync over a short time.  IE, all lights flash the same for a couple flashes then some bars get slower and slower.  The patterns the same, the speed changes.  I can't figure out why all the bars can't stay in sync with preset patterns.  Setup, created a 9 channel profile, can do static color with no issue, DMX control of each fixture is fine, not a configuration issue and I've tried 2 entirely different sets of cables, both DMX (not instrument) cable.  I have each fixture set to DMX address, don't want to slave off one because I want to control each separately also.  Is this normal?  I'd be so grateful for any ideas, these lights are awesome, so much better than any other light bar, I'd hate not to get them working correctly.  If there's any chance ADJ DMX equipment would fix this I'd spend the money but sending a DMX signal down a line is pretty simple, I can't imagine it's the interface.  Please let me know if you have any idea or need any additional information, thanks so much.

Original Post

I'm new at this but have you terminated everything? Do you have the different fixtures etc. on separate power and not daisy chained? Like fixtures can be daisy chained for power. Unlike fixtures must be powered from a separate power source. That's all I've got. The basic hook-up fundamentals. 

Thanks DimLight. 

Here's a follow up for anyone that may come across this thread.  I contacted ADJ and they confirmed they had the same results so it's just the way it is.  If you run the presets through DMX with separate assigned channels to each fixture, the preset patterns won't stay in sync.  It really shows in slow color transition fades.  Fix is to run one fixture in master and others in slave with no individual DMX control to each fixture, or create the patterns in whatever software you're using. 

Last edited by sshaw10

I'm the "Master and Slave Auto Run with two different fixtures daisy chained" topic with one reply… will you have a look at that and see what you think?

Thanks.

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