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RC4 Glossary
Set B Button

All RC4 dimmers have Set buttons for each individual dimmer output. The second button is the Set B button.

On a 2-channel device these are Set A and Set B buttons.

A 4-channel device adds Set C and Set D.

The most common use of the Set button is to assign a DMX channel and dimmer curve to the associated DimX dimmer using RC4 OneTouch; Set A is for the Dim A output, Set B for Dim B, and so on.