IBM 727, Руководство по инструкции

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SELECT LINES (10)
^
TYPE 727
_
SELECT 8 AT LOAD POINT
m
SELECT a REWIND STATUS
START REWIND _
TAPE DRIVE UNIT
S
*
''
>
s
>
^ >
S
^ SEL. a TAPE IND. OFF
TURN OFF TAPE IND.
SEL. a TAPE IND. ON
""
TURN ON TAPE IND.
S E T WRITE STATUS
SEL., READY a WRITE
s SET READ STATUS ^
SELECT, READY a READ
WRITE BUS (7)
_
---------------------------------------------------- ^
^ WRITE ECHO BUS
READ BUS (7)
WRITE PULSE
~——-----— --- --------------------------------------
WRITE CHECK CHAR. ^
GO
^
BACKWARD
_
\
FIG U RE 15. C O N TR O L L IN E S