HYOSUNG MX-4000W Operator's Manual page 164

MX-4000W 5. Operator Function
5.9.2.1.3 CHECK KEY
The CHECK KEY function is used to display the check sum of all injected Keys. The key which is
displayed as "_______" means it is in empty state.
The authorized people can verify the injected key(s) with this menu after key injection.
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