That'd be a waste of paper and a bottle. Targeted burst radio transmission might work better but I'd need to see the equipment we've got on hand.

[ He shifts to crouch- sit? Sit. The legs want to sit, it's easier to get a look at the panel and the kid if he's on the same level. ]

Well, it's all about leverage and how much the seams are reinforced. They seem modular enough for setup and maintenance- if I designed anything like it I'd leave a catch somewhere along one of the edges to pry it up, get at the power supply or at least the circuitry. You find anything thinner than a file?