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Enttec DMXIS - DMX Addressing Configuration; Setting DMX Start Addresses

Enttec DMXIS
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Page 14
Always use a DMX terminator plug in the last fixture of the DMX chain. The terminator
prevents “ghost echoes” of the DMX signal from bouncing up & down the chain. Again,
this is more of an issue if you run very long DMX cables.
HOW DO I SET UP THE DMX ADDRESSING?
After connecting everything up, you need to set the DMX start address for each light.
On each light, you will find a row of DIP switches or a small
control panel which you use to enter the DMX address. Consult
the addressing instructions for your own lights, as every light
can work in a slightly different way!
Think of DMX addressing like buildings on a street. Each building
has its own number (“3 Smith Road”, “4 Smith Road”). Large office
blocks can occupy a range of numbers (“22-35 Smith Road”). You
never see two houses with the same number, or adjacent office
blocks with overlapping ranges of numbers.
DMX is pretty much the same. Each light fixture has a unique start address, and occupies
a range of channels from that point onwards. Complex fixtures use more channels than
simple fixtures. You normally* don’t have multiple fixtures on the same start address, and
two fixtures using adjacent channel numbers must not overlap!
Example: Say you have two 4-channel dimmer packs, and two 13-channel scanners. The
simplest DMX addressing scheme would be:
Dimmer A = Ch 1-4
Dimmer B = Ch 5-8
Scanner A = Ch 9-21
Scanner B = Ch 22-34
A fixture’s start address does NOT need to immediately follow the previous fixture. You
could have a dimmer pack on Ch 1-4, then a scanner on Ch 18-25. It doesn’t matter that
channels 5-17 are unused. Why is this important? Well, it means that in DMXIS you can
address a fixture so that it begins on the first fader of a row, or on a specific page. For
example, Page 1 could be your dimmers, page 2 your scanners, and page 3 your LED spots.
*Actually, you CAN put multiple identical fixtures on the same start address but they will
all do exactly the same thing! For example, if you set all your LED parcans to channels 10-

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