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    BSmith
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Wybron Coloram 2's

We have 184 Wybron Coloram 2's.  Half are six inch, half are eight inch.  They all have 26 frames.  For the eight years that I have been around them, the have all always had exactly the same deviation.  The frames land a little more off each time until halfway through then they drift back.  The halfway point of the scrolls land at about DMX 122.

It just dawned on me today that if 184 of these things bought on at least three different occasions have the same deviation, maybe everyone else's do too.  If that turns out to be true, then perhaps the fixture profile can reflect this.

Does anyone else have Coloram 2's?  If so, do you see what I'm seeing?  Would you find a less linear fixture profile useful?

Bonus Questions:  Do you use the custon scroll function via the Encoder?  If so, have you developed a simple procedure of not needing to calibrate you scrollers every show?

Enquiring mind wants to know.

B  

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  • 0

    We have Coloram 2's at the Alley and we just started to see this problem with the EOS 1.7 update. Which console and software are you using?

  • 0 in reply to KeithF

    Hi Keith,

    We are on Ver 1.8, but the issue/problem has been the same since we jumped in at 1.2.  Eos and Ion.  I think some folks are looking into this from our particular angle now and may possibly be remedied in 1.9.  Thanks for joining in the discussion, that makes three Coloram users now.

    If you haven't yet, I would suggest recording your frames as Color Palettes for now.  How many frames do you have by the way?

    Crispy,

    It's my understanding that you can't put a Curve on the Scroller Part of a channel.  Do you know differently?  It would be a very easy fix if you could.  I too find it quicker to use CPs on the DSs, especially when programming for a designer.  But since we have two sets of 26 frame scrolls, we end up with sheets of paper saying what frames are which color (instead of using 52 Palettes).  When busking my own shows, and Dance School season, I'd prefer to lose the cheat sheets and have the color frames operable on the Encoders.  When you say you use the Encoders often, I assume you recalibrate them for every show...?

    B

  • 0 in reply to BSmith

    We have a variety of Coloram strings ranging from 13 frames up to 32 frames. The problem appears to be the same for all of them; fine at the beginning and end, off in the middle. As far as I know, we didn't experience this issue until the upgrade to 1.7 and now in 1.8 as well.

    Color palettes seems like a workable solution for now. Thanks.

     

    -Keith

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  • 0 in reply to KeithF

    We have coloram II's and being off in the middle is typical of all of them.  They may have their own correction curve built in, but there are too many variables (gel thickness, age, etc) to be perfect.  I have found that the longer the string the more common the problem.  They do seem to be accurate once calibrated. 

    As to what off means? Most boards I've seen use the formula (frame number -1 {ie the first frame is zero}) divided by the (total frames -1) times 255 rounded off to the nearest whole number.

       Version 1.7 + seems to support calibrating individual units, but I usually just calibrate a few in the board room set to the same address, while selecting the entire Coloram group on the console, there by calibrating all the show strings to the same values.

  • 0 in reply to 33boardop

    No, its not really like that.  The thickness of the gel may have some affect, but mainly it is determined by the length of the scroll (number of frames).  As I said, the guy at Wybron confirmed this,  He has the charts at his desk which list the frame values for numerous scroll lengths.  It doesn't have much to do with age as ours are of several different ages and all work exactly as the manufacturer expects.  The full frame values are definitely not 255 divided by the number of frame. 

    Do you calibrate your few in the boardroom every show? 

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