Legends say that the warrior returned to his planet and revolutionized the agricultural world with his newfound knowledge acquired from his journey to Earth...
He did dismiss it, but not completely. He tried to make a new reading, got a result that could have made him think his tool was broken (it suddenly started complaining about overload).. But yea, through smartness (or secondary tools) he did realize he had dun goofed and tried to escape. Too late, though. XD