Visual display system
A visual display system was a type of monitor used by the Ledosians on Ledos, a planet in the Delta Quadrant, to test pilots for examinations.

In 2378, after beaming aboard the , Kleg, the instructor for  Tom Paris' pilot test, asked him if he had access to a visual display system on Voyager, to which Paris told him he would be able to find one. ()

Communications technology