I. The DMXmrx, the DMX2dim and the DMXpix all have three button interfaces

A. The DMXmrx  is 2.4 GHz in the purple, and 900 MHz in blue

B. The DMX2dim is similar to the DMXmrx but has two dimmers

1. There is also a 900 MHz version of this DMX2dim

C. The DMXpix also comes in 2.4 GHz and 900 MHz versions

II. The three button interface is on the side of the units

A. These buttons are used for basic operation, selecting  System IDSystem IDRC4Magic devices are coded with unique system IDs to ensure the best possible data security.  Three unique codes are provided for each new RC4Magic system.  System IDs consist of four characters that can each be a letter or number, i.e 2876, 2F7D or DFAF.  Although every system has it’s own three unique IDs, they are referred […]
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B. All procedures involving a three button interface are the same on all three units noted here, and for all RC4 systems and devices with 3 buttons

C. This is part of the RC4 Harmonized Design philosophy