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The servo's upper-back control assembly holds the broadcast hardware and short transmitter peg. It connected the machine to remote updates and also provided a physical service contact. This is the assembly a Lancer's disabling lance acts through. Its presence identifies an unconverted servo, even when the machine is inactive or its status light is dark.

The civilian job families share this control arrangement. Different covers and tools don't remove their dependence on the same old network design. A damaged unit can still retain a stored order and enough power to become active again.

Status lights help show current operation: violet for normal service, amber for charging, vermilion for hostile activity and dark for inactivity. The light is not proof of conversion. SynthWorks removes the whole broadcast assembly and seals the former mount, leaving only a local physical service socket. Interrupting a servo through the old contact point is a recovery step; it doesn't make the machine an independent synth.