Engine glow never worked very logically on my screen. Its flashing seems sometimes very random. But what i am mostly surprised of, is that many ships docked on my station are having bright pink glow on their engines. They had that even before this patch where the glow amount was supposed to depend on ship speed.
From the looks of things, i would assume the calmed tiny red circle should be the relax-state.
From the looks of things, i would assume the calmed tiny red circle should be the relax-state.