It was explained to me by someone who understood such things that they were annunciator panels, which I immediately accepted because they looked like annunciator panels.

No canon explanation for a bit of set detail that had no involved rationale for it is necessary.
A group of lights used as a central indicator of status of equipment or systems in an aircraft, industrial process, building or other installation

No canon explanation for a bit of set detail that had no involved rationale for it is necessary.
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