You flip them on.
The spacious room you illuminate is about four stories in height. Each level has cells lining the side and far walls of the room, adding up to a few hundred. The center of the square room is dominated by walkways that lead to the only lift in the room. The walkways themselves have square frames around them every five feet. More laser grids, currently offline.
Oh, and you are completely surrounded by prisoners armed with assortments of jury-rigged shanks and bludgeons, having lain in wait near where you came out on the highest level. They all appear crazed, pale, and hungry... the majority of them are starved and rabid.
There is a handful of these prisoners standing before the lift with blasters, which now opens to reveal the horrifically scarred and ragged Borm.
"Welcome, Jedi," Borm hisses.