The detail as following: 1. build a text called TAG.TXT under root directory of card. 2. open TAG.TXT,write synchronous date according to enclosure strictly. Details as following: [date] need space with newline 2009/07/22 need space with newline 12£º00£º00 Power on the machine everytime, system will check and analyse TAG.TXT, then set system time according to file time. After that the text will be deleted by system automatically.
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