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Author Topic: DJ Scan 250, erratic behavior with new controller.  (Read 2486 times)

Gordon Brinton

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    • Raw Depth Sound, Harrisburg, PA
Re: DJ Scan 250, erratic behavior with new controller.
« Reply #10 on: November 13, 2018, 04:56:19 am »

I tried reversing pins 2 & 3 on the dmx cable. The light went completely berserk and was uncontrollable. I had previously also tried switching out cables, both dmx/data and mic, using wireless sticks, isolating each fixture, and using two different terminators. I think I can safely rule out cabling as the cause...
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Jeff Lelko

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Re: DJ Scan 250, erratic behavior with new controller.
« Reply #11 on: November 13, 2018, 08:06:47 pm »

Swapping the pin-out is about the only thing that I have NOT yet tried. I may have time to do that after work today or tomorrow.
I donít know if would do that. 
I tried reversing pins 2 & 3 on the dmx cable. The light went completely berserk and was uncontrollable.

I told you not to try that!  Not that it'll hurt anything, but that's along the lines of what will happen.  The pins 2 and 3 reversing was a Martin thing in the late 90s. 

Have you tried playing with any of the settings on your interface besides the DMX Speed? 
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Scott Holtzman

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Re: DJ Scan 250, erratic behavior with new controller.
« Reply #12 on: November 14, 2018, 12:39:42 am »

I told you not to try that!  Not that it'll hurt anything, but that's along the lines of what will happen.  The pins 2 and 3 reversing was a Martin thing in the late 90s. 

Have you tried playing with any of the settings on your interface besides the DMX Speed?

When I first read this I wondered if you are using an immediate transition or a stepped?

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Scott AKA "Skyking" Holtzman
River Delta Audio is now:

Ghost Audio Visual Solutions, LLC
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Gordon Brinton

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Re: DJ Scan 250, erratic behavior with new controller.
« Reply #13 on: November 14, 2018, 02:32:31 am »

I told you not to try that!  Not that it'll hurt anything, but that's along the lines of what will happen.  The pins 2 and 3 reversing was a Martin thing in the late 90s.
 

Others told me to try it...that it wouldn't hurt anything. I only did it with one fixture that is not a part of my normal stage show. I like to use the Process-of-Elimination when problem solving. Now I know.

Have you tried playing with any of the settings on your interface besides the DMX Speed?

Oh, yes. I'd spent a few hours tweaking almost every setting in the thing. DMX speed was the only setting that got a result. Albeit, not a satisfactory result.

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