| 摘要 |
PROBLEM TO BE SOLVED: To improve conveniences without any data error by receiving data information again and correcting a clocking means when a clocking means is corrected based on time information after a correcting means corrects the clocking means based on data information. SOLUTION: A control part judges whether a time correction request has been set or not (5a), and ends an operation when the request has not been set. When the request has been set, a radio part receives clock information (5b). Based on the clock information, a control part corrects a clock (5c). When the correction is completed, the clock correction request is cleared (5d) and then a request for correcting data is set again (5e), thus completing time correction processing. In this manner, when time information is received and correction is made after data information has been received and correction is made, data information is received again for correction, thus preventing data from shifting and hence eliminating the labor for a user to perform correction for oneself as before and drastically improving conveniences. |
