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How to Punch Part of a Data Set
When punching part of a data set, the 3741 punches the record
at the current disk address. This function is valid on disk drive
1 only. Attempts to initiate the punch part of a data set mode on
disk drive 2 will result in the equivalent operation on disk drive 1.
From the Index (X) Mode
1.
2.
3.
4.
Load the card read/punch programs.
Press REC ADV
(if
necessary) to advance to the data
set label for the data set you want punched.
Press FUNCT SEL lower and SEARCH ADDRESS.
Key in the record address of the last record you want
punched.
5.
Press FUNCT SEL upper and PUNCH TO EOD.
After punching to the record address you specified, the
3741 returns to the Index (X) mode and displays the data
set label of the data set just punched.
You cannot punch part of a data set from enter of verify
modes.
144
From the Update (U) Mode
1.
2.
3.
4.
5.
6.
Load the card read/punch programs.
Press REC ADV (if necessary) to advance to the data
set label for the data set you want punched.
Press FUNCT SEL lower and UPDATE.
Press FUNCT SEL lower and SEARCH ADDRESS.
Key in the record address of the first record you want
punched.
Press REC ADV.
Note:
Steps 4, 5, and 6 are not required if you press REC
ADV until the first record you want punched appears on
the display screen.
7.
Press FUNCT SEL lower and SEARCH ADDRESS.
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