Master Communication System

Master-Communication System or Master-Com is the Wheel's master-control system. It's main function is to run virtually everything on board, from environmental controls, to turbolifts, to cargo distribution and more.[1]

Master-Com was a Czerka Corporation Master Control System, the latest in supercomputer technology. Overcoming the limitations of the immobile BRT series, as well as the documented mania of the obsolete G0-T0s, the state-of-the-art “Master-Com” adroitly performed all administrative needs and was capable of endorsing a parade of complementary droid bodies with its distinctive, pleasant personality, making for a far more agreeable interface with sentient co-workers. [2]

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Sources:

[1]  Edge of The Empire Beyond the Rim

[2] Viva Space Vegas! The History of the Marvelous Wheel, Part 2