| 摘要 |
A portable telephone apparatus that can recognize which country it is located in and alert the user to the appropriate operations for use in that country. In this portable telephone apparatus, a country name storage unit 2 stores names of a plurality of countries and their corresponding time differences in regard to a predetermined area. If a reception signal is received from a base station, the LTM_OFF field showing the time difference of the area in which the base station is located can be read from the received Sync channel message. The country name corresponding to the time difference closest to the read LTM_OFF field is retrieved from the country name storage unit 2 and displayed on an LCD 21.
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