Heuristics: 1. Visibility of system status



It is important that every software product keeps the user updated on what the system is going on every moment. It must be clear whatever the system is doing something or it is waiting for the user to make a choise.

All these has been taken into consideration, when designing the Atro kiosk interface and the user has been given clear instructions if they have to click or something or if they have to wait for this system to do something.