The first lesson I learned on a modern, moving light console was how to patch fixtures.
The 2nd lesson I learned was how to set fixture numbers. I quickly was immersed in to the world of efficiency as I learned the value of the fixture number and how it could correlate to my plot and paperwork. It was all starting to make sense….
So What is a Fixture Number?
A fixture number is the number that you give to a whole fixture in your rig for selection. In your console, it may also be called a user number and is not to be confused with a channel number or dimmer number. It is purely above the abstraction layer to help you manage your lighting rig.
By default, your console will most likely just start assigning fixture numbers at 1 and go upward from there. This is nice, but we can do much better!
The cool thing about fixture numbers is that you can format them inside your console in any format you’d like. So basically, you can define an order for your lights that makes sense to you. If your rig is starting to get a little large for memorization, this is a great tool to make your life easier.
Let’s look at an example:
Today’s mythical lighting rig is going to contain 24 dimmers(conventional lights), 24 Super-Bright LED fixtures, and 8 Cool-Hip Spot 300 moving lights.
When the console automatically patches the fixtures, the user numbers are going to look like this:
Now you may look at this, thinking “Well that’s all good and everything, right?” It seems like everything makes sense, they all just start at 1 and go up from there.
Where we run into issues is when we want to select fixtures from the command line. Remembering that your Super-Bright LED’s begin at 25, or that your Cool-Hip movers begin at 49 is not worth the brain power it takes!
How can Fixture Numbers Make My Life Easier?
For times like 3am the night before the Easter dress rehearsal that you’re still programming. For after a long day of setting up. Or, for when the client is sitting next to you and you need to make some changes to the lighting…and fast!
Yeah, I’m sure that’s never happened to you, right? It’s always a good idea to simplify things when we can.
Let’s try this example for a change:
Dimmers #1-24 Exactly the same as before
Super-Bright #101-124 See that? We’ve assigned our next fixture at 101, so we can still remember them as 1-24, but starting at 100.
Cool-Hip #201-224 Exactly the same thing. Again. Rinse and repeat for more fixtures.
The goal of choosing your fixture numbers is this: What system can I use that will allow me to quickly and easily know in my head what fixture I need to enter in the console?
When you can simply begin typing because you know exactly what fixture you need to access, without referring to paperwork or pausing, you know you’ve found a system that works for you!
If you’ve got an even larger lighting rig than that, or perhaps have a vendetta against the system I use, feel free to change it up.
But please do notice the freedom that comes with being able to have someone point at a light, and know that within just 2-3 key presses you can have it up for modification. And that’s what matters when you’re programming.
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