A portable electronic device including a housing having a receptacle for at least one semiconductor die, a terminal carried by the housing and operably coupled to the at least one semiconductor die, an attached cover, and operation indicators. Thus, the protective part modules are arranged adjacent to each other so as to form the protective module. The packet is transmitted to the second facsimile machine, a response from the second facsimile machine and the corresponding moment of reception are input, and the interval of time between this moment of reception and the expiry of the period are determined.