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CHAPTER 3 System Messages
7-N: NCU MB Key Turn OFF
This message displays when the MB switch on the PFT card is turned OFF while extracting or inserting a circuit
card, or at PM initialization.
Faulty PFT card number
Location of faulty PFT card
Default Alarm Default Grade Grade Modified Lamp Modified
NON 3
1: XXXX 0000 0000 0000 2: 0000 0000 0000 0000 3: 0000 0000 0000 0000
4: 0000 0000 0000 0000 5: 0000 0000 0000 0000 6: 0000 0000 0000 0000
7: 0000 0000 0000 0000 8: 0000 0000 0000 0000 9: 0000 0000 0000 0000
b7 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
1 2
b0-b2: Circuit Card (0-7)
1
b0-b4: Group number
b5, b6:Unit (0-3)
b7: 0/1 = Even-numbered MG/Odd-numbered MG
2