Cold-ironing allows ships at dock to plug into shore-side electricity sources to power electronic and mechanical systems needed for loading and unloading activities.
"It had pulled in - starting to pull in - and what it did was it hit the right side of the boat on the dock hard, like a bomb, " Dee Wertz told the network.
That alone seems like an act of common sense on Vizio's part: far too many tablet makers stick the speaker openings on the back side, which means unless you have the device propped up in a dock, the audio's bound to get a little muffled.