> you enter a quantity, scan one item, then put them all in the bagging area Self-checkout software is more or less a layer on top of (antique) PoS software (u

> you enter a quantity, scan one item, then put them all in the bagging area Self-checkout software is more or less a layer on top of (antique) PoS software (usually provided by IBM or whoever they sold it to since). What you see here is an artefact of that, as that's exactly how most cashier-operated PoS systems behave.