Validation firmware checksum

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In the body of the firmware there are two checksum that define the data integrity of the body firmware. In the tabs FIRMWARE DETAIL and TABLE checksum bytes have addresses 0x3F and 0x5F.

By the default, software automatically recalculates the checksum when you changed the firmware in the tables. To disable the automatic checksum verification, remove the check mark from the menu Options -> Auto set checksum.