when a digital camera detects that it has been placed in a demo dock , it resets internal settings to demo defaults and may launch a point - of - purchase dock demo to attract attention . when a customer removes the camera from the demo dock , an interactive demo may begin . the demo may instruct the customer how to interact with the demo or end it . once ended , the camera reverts to normal operation until replaced in the demo dock . methods of using the dock and digital camera are also disclosed .