Description: Indicates the start time of an absolute time range. It is an 8-byte hexadecimal numeral, where, the first two bytes indicate the year, the third byte indicates the month, the fourth byte indicates the day, the fifth byte indicates the hour, the six byte indicates the minute, and the seventh and eighth digits are reserved, which are filled in 0. For example, if the start time is 2010-1-10,8:10, the value is presented as 0x07 0xDA 0x01 0x0A 0x08 0x0A 0x00 0x00. The time range that the device can identify is 1970/01/01 00:00-2099/12/31 23:59. Therefore, the time value must be within the time range.