PROBLEM TO BE SOLVED: To provide an environment-sensitive report controller which varies an incoming report by temperature change.;SOLUTION: An external temperature sensor 12 detects and monitors an ambient temperature, and an external temperature setting storage part 14 stores operation procedures corresponding to the temperature change of the ambient temperature from a prescribed reference temperature. An incoming report control part 13 checks the change condition of the external temperature obtained from the external temperature sensor 12 and performs calculation with a set value in accordance with temperature change setting operation from the reference temperature to a maximum changed temperature and reports a control signal for proper operation procedures at the time of sounding of an incoming report. An incoming report sounding part 15 performs the incoming report based on the reported control signal. This constitution allows incoming operation to be performed in accordance with change of the ambient temperature and varies operation of the incoming report like a sound volume, an incoming pattern, or a flickering pattern in accordance with temperature change.;COPYRIGHT: (C)2004,JPO
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