He sighs slightly as the man hovers, but didn't snap or retort as this was actually interesting, and could prove informative. Harlock frowns slightly as he carefully moves the various dials and tap.

"Ah..." He murmurs low when the Doctor found the problem and quickly fixed it. "Do you always carry a soldering kit?" The man asked with an amused, and oddly nostalgic tone of voice as he moves his fingers across the keyboard again, the results are better, as the machine seem to be booting up.