In English it would be main control, centralized control, computer controlled...something along those lines. The kanji dictionary says it's a technical computer/IT term. It sounds like some kind of computer/electronic issue from your description and the kanji.
Buying resources out of their own pockets, spending energy and effort, with almost no return so that everyone can enjoy the cultural and entertainment products of developed countries at almost zero cost walking in the dark to serve the light, they are real heroes