He's in the process of trying to carefully reset it from his latest failure, tip of his tongue stuck in the corner of his mouth with concentration, when an unfamiliar voice draws his focus back outwards. His gaze darts up and over to the woman for a beat, then Jack pulls both hands away to allow her to fidget with it however she wanted.

"Blasted thing won't work at all," His remark is tinged with clear frustration, but the pirate attentively watches her.