>Most of them can't be updated by someone in the store headquarters remotely. Yest they can, since the '90s (in Europe at least). Where did you get this misinf

>Most of them can't be updated by someone in the store headquarters remotely. Yest they can, since the '90s (in Europe at least). Where did you get this misinformation? The programing device you saw is only for initial pairing or resetting the label, but other than that, they can always be updated via 2.4GHz radio or infrared base-stations (depending on manufacturer) mounted throughout the shop. Source: used to work in the industry many, many years ago