NEC D2246 Maintenance Manual page 148

8-inch winchester disk drive
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The six remaining keys enable specific diagnostic panel functions as listed in Table C-2.
Table C-2 Diagnostic Panel Functions
;!
TTT"""T
FUNCTION
.....
,...~
.......
DESCRIPTION
n....cl.
....... ...., .L.o".&.J
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!
PA
Parameter Input
TM
Enables entry of seek test parameters
from the panel keypad. See Section
C.3.1.1.
LM
Enables entry of sequential record ad-
dress from the keypad. See Section
C.4.2.
CL
Clear
LM
Clears the logging area. See Section
C.4.3.
MR
Master Reset
TM
Performs a return-to-zero (RTZ) opera-
tion. See Section C.3.1.
HA
Head Advance
TM
Increases the head address by one each
time the key is pressed. See Section
C.3.1.
ST
Start/Stop
TM
Starts or stops the selected operation.
NE
Next Parameter
TM
Enters the parameter value selected by
the P A key and brings up the next
parameter. See Section C.3.1.1.
LM
Initiates and advances search routine
through error logs. See Sections C.4.!
j
and C.4.2.
C-5

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