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6-30 Chapter 6: Diagnostics Specification
After the index is entered, the unit is ready to accept key injection
commands from the KeyFac system. When each key is injected, as
referenced by the KeyFac screen for messages, the NCR 5992 will
display an appropriate response:
Master: “Master Injection OK”“Master Injection Error”
Session: “Session Injection OK”“Session Injection Error”
DUKPT: “DUKPT Injection OK”“DUKPT Injection Error”
KeyFac will issue the “lock” command at the end of each key set
injection, triggering the NCR 5992 to exit the key injection mode. Until
the unit exits from the key injection mode, the touch screen will be
disabled.
The Key Injection Mode also directly supports the VISA DUKPT “90” /
“91” Key Load and “76” Test Commands as defined in the VISA
document “Point-of-Sale Equipment Requirements”, Pin Processing
and Data Authentication, International Version 1.0, August, 1988. The
NCR 5992 will display the following responses:
DUKPT Initial OK
DUKPT Test error
DUKPT Test OK