NEC D2246 Maintenance Manual page 160

8-inch winchester disk drive
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ADDRESS FIELD
SEQUENTIAL LOG ENTRY
Figure C-13 Sequential Operations Log Display Format
Each time the NE key is subsequently pressed, the address field is incremented by one and
the contents of that memory location are displayed in the data field. Figure C-14 shows
sequential log entries.
C .4.3 Ending Log Read Mode
Press the CL key to clear both the error/count log and the sequential log. Press the LM or
SM key to end Log Read mode.
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LOSS OF INDEX ERROR
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A "00" DISPLAY FOLLOWED BY A NON-ZERO NUMERIC
DISPLAY INDICATES THAT NUMBER OF ERROR-FREE
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POWER-ON/POWER-OFF OPERATIONS.
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INNER GUARD BAND NOT DETECTED
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TWO CONSECUTIVE "00" DISPLAYS
INDICATE THE END OF RECORD.
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Figure C-14 Sequential Operations Log Entries
C-17

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