| 摘要 |
An electronic device is provided with a first lock release code store memory including a first lock release code; a lock release flag store memory including a lock release flag that shows whether or not a lock is released; a comparison portion comparing the first lock release code with a second lock release code input by an input device; a control portion releasing, when the comparison by the comparison portion results in agreement, the lock to permit the electronic device to operate normally; and a determination portion determining whether or not the lock release flag store memory is authentic.
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