7.4.1 Displaying the program version and checksum
This program tests the microcomputer’s read-only memory (ROM).
Program version
Where program versions are of the same class and have the same
code letter the higher version replaces all lower versions.
Checksum
The checksum is only intended for factory servicing.
It enables our specialists to establish whether the controller’s program
memory (EPROM) contains the whole program with no errors.
–
To leave the test program press function key F1.
Hint:
Verifying the checksum takes some considerable time.
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