Patent ID: 8116996

Claim:
A method of generating an upgrade signal for a multifunction device, the method comprising: providing a multifunction device including a function unit storing multiple operative functions for controlling at least one equipment based on at least one monitored parameter of the at least one equipment and a virtual switching unit including a plurality of virtual switches, each virtual switch corresponding to each available operative function for selectively activating and deactivating the corresponding operative function, presenting a list of available operative functions on at least one display of the multifunction device; enabling or disabling at least two available operative functions from the presented list; determining a unique identifier of the multifunction device, the unique identifier being stored within the multifunction device; and generating a single switch upgrade signal, based on the determined unique identifier of the multifunction device and the enabled or disabled at least two available operative functions, for activating each virtual switch of the virtual switching unit corresponding to each enabled operative function and deactivating each virtual switch corresponding to each disabled operative function.