Fade problems on D40 and Source 4 Series 2 Lustr

Hi Palmi.  Can you please tell us some more information to help you out.

What firmware are the D40s and Series 2 on?
What profile mode are they set to?
What console are you programming them with?  And if ETC what software version?

What are the other lights in your rig?  LED or Incandescent, Movers?

Hey Chris, any fix you can suggest?

I have not had a moment to mock it up but It’s on my list to try. When you mentioned applying curves were you doing that from the console in patch or at each fixture via the User Interface?

The built in ones on the display of the fixtures.

HI Palmi.  I was able to mock this up today to see what you were seeing.

Digging into this I think what you are seeing is the DMX smoothing built into the firmware in Desire and Series 2.  In these products smoothing is applied to every DMX change based on the dmx jump.

This did change in ColorSource, Series 3, Desire Fresnel, and other newer products we added a method that allows a snap condition when larger DMX changes occur.  This is not an option in Series 2 or Desire unfortunately.

I did run through the various curves and setting.  While they are not instant snaps when fade time is at or above .1 seconds, I did not notice a 2-3 second delay.  I measured it to be .5-.6 seconds depending on the DMX delta in value..

I will say out of the various curves, the Incandescent fade in regulated mode and 1200hz frequency had the best results.

The cuelist pic is a mockup of the fades shown in the video to understand what the settings were at.

In short the firmware and fixture are doing what they are supposed to be doing in order to provide the best fade between levels, but if a snap out is below .5 seconds is needed using a time of 0 is the best option.

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HI Palmi.  I was able to mock this up today to see what you were seeing.

Digging into this I think what you are seeing is the DMX smoothing built into the firmware in Desire and Series 2.  In these products smoothing is applied to every DMX change based on the dmx jump.

This did change in ColorSource, Series 3, Desire Fresnel, and other newer products we added a method that allows a snap condition when larger DMX changes occur.  This is not an option in Series 2 or Desire unfortunately.

I did run through the various curves and setting.  While they are not instant snaps when fade time is at or above .1 seconds, I did not notice a 2-3 second delay.  I measured it to be .5-.6 seconds depending on the DMX delta in value..

I will say out of the various curves, the Incandescent fade in regulated mode and 1200hz frequency had the best results.

The cuelist pic is a mockup of the fades shown in the video to understand what the settings were at.

In short the firmware and fixture are doing what they are supposed to be doing in order to provide the best fade between levels, but if a snap out is below .5 seconds is needed using a time of 0 is the best option.

.

.

Thanks Chris! I call on ETC to fix this!!!

This caused so much trouble for me on my last production where we were sharply transitioning in and out of monologues in 0.4 - 0.7 sec fades and every light looked great except my most expensive conventional fixtures, the Lustr ones, the ones that covered front and side lighting of the whole set. 
I’m kind of curious if ETC was aware of this. Lots of fades have to be above 0 and under 2 seconds.

please fix. I have a almost a hundred of these units