Method of management of control of access by manipulation of keyboard to inform device about phase of modification for allowing user time to do modification

摘要

A programmable memory (4) and a relay (6) are controlled by a micro-controller (2). A storage phase provides a size taken in the memory (4) by the code. A temporary phase of includes a manipulation of the keyboard to inform the device about phase of modification and to let to the user a time to do the modification. A new code transfer takes the site occupied by the old code.