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    Rick36616
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D40 D60 patching profiles

I have some D40 and D60 units I am patching and using the profiles "D40 Vivid Direct" and "D60 Vivid Direct."  In the data sheet for these fixtures, in the "DMX Input Channel Profiles" table, the D40 shows 9 channels and the D60 shows 10 for the Direct configuration. (They match except D60 has a fan control.)  However, the board only uses 8 channels to patch either of these.  What happens to the other channels?  Do these instruments need 8 or 9/10 channels?  Why is the board only using 8 channels?

I noticed some strobing from what I think was these units.  In most cases, the patch left two blank channels after these instruments, but where that isn't the case, it would seem that could be a problem.  Channel 9 is the strobe.  If they really have 9/10 channels, why is the board only patching 8?  Is the profile incorrect?  That seems unlikely.  What am I missing?

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  • 0 in reply to JTBettis
    From your response, I would guess the theater has configured these to not use the Strobe or Fan and thus used the D40 Direct patch without those, so the patch only uses 8 channels. If the Strobe On/Off setting is OFF, then it must ignore the 9th channel. Similarly Fan Mode to Auto disables the 10th channel. Thanks Jeff.
  • 0 in reply to Rick36616
    I followed up at the theater today. The instruments are patched with an empty channel at the end, so even though they're patched as Direct mode, the instruments themselves are in 9-channel mode with strobe enabled. The strobe cannot be accessed from the board, however. This means inexperienced operators can't accidentally access the strobe, I suppose. It also means that a recent change to the patch that did not leave an empty channel resulted in some instruments strobing randomly, explaining the anomaly I was seeing. Some instruments also had the Fan enabled, so that explains why the fans were sometimes randomly running. Now that I understand it, it can be fixed. Thanks for your help.
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