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|1. (WO2018100726) WATT-HOUR METER AND PASSKEY CHANGE METHOD|
|Applicants:||MITSUBISHI ELECTRIC CORPORATION
|Title:||WATT-HOUR METER AND PASSKEY CHANGE METHOD|
A control unit configured so as to have: a passkey verification unit (1170) for verifying whether a new passkey transmitted to a wireless communication device (1200) and a new passkey returned from the wireless communication device (1200) match; and a retry control unit (1160) for resetting the wireless communication device (1200) and enabling the new passkey when the verification result is a match and causing a change indication to the new passkey to be retried when the verification result is a mismatch, and when the retry continues a prescribed number of times or more, issues an indication for a change to a prescribed passkey and resetting to the wireless communication device (1200) without undergoing new verification.