From memory it has a stack dash doesn't it ? I believe these can log various values and re-display them. It could be that it's been logged at those positions - they're being re-displayed and subseqently photographed ? (or I could just be talking bo****ks).
He's only had it for a few minutes - and he was promoting it as the best thing since sliced bread. Obviously he's discovered opcorn: Or is that what he's done to it? No hang on, that would be :chairshot ?