They're of a like mind on that point. Donnie would rather conserve power if they had no idea how long they'd be stuck here. He knows better than to think he'd be able to drill through a cave wall, especially not knowing for sure what's on the other side.

But there had to be something because why jam his scans if there wasn't?

"...I wonder if there's anything to be picked up on a more general observation..." Donnie muses aloud. Frowning in thought, he sets his things aside, pushing himself to his feet.