ETC ColorSource 20 User Manual page 19

Discovery
RDM automatically discovers RDM-capable lights. Discovery runs continuously any time the Patch
screen is open and the
added or removed from a system, they will be updated in the patch list.
Note:
lengthy process to complete. You should expect at least several seconds of delay to discover a
light on a small system and much longer delays on a very large system.
Addressing and Mode
RDM allows you to set the DMX address and the operating mode of a light remotely.
Setting the operating mode may change the footprint, which is the number of DMX addresses occupied by
the device. If you change the mode of a device adjacent to some other device or dimmers in patch, the new
mode could be larger than the available space and overlap already used DMX addresses. When this hap-
pens, the affected channels are indicated in the patch list in red, and you will need to take corrective action
and re-patch.
The Patch system knows how to match the chosen mode with the correct personality.
Universe
You cannot change the Universe part of the DMX patch for a Device found by RDM. RDM can only operate
on the one universe it is connected to. To change the universe a light is patched to, you must physically re-
plug the light to another DMX cable.
Getting Started With Patching
RDM button is enabled, and will repeatedly search for devices. As devices are
Discovery takes place during short periods of rest of normal DMX transmission and is a
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