IBM 3741 Data Station Reference Manual page 132

Program level 1 contains:
, - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Identifies card read/punch
programs
~--------------------------------Skiponecharacterintheinput
buffer
. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Insert characters
. - - - - - - - - - - - - - - - - - - - - - - - - Zero suppress the numeric values
, - - - - - - - - - - - - - - - - - - - - - - Insert blanks
. - - - - - - - - - - - - - - - - - - Insert characters
, - - - - - - - - Insert bl ank between each data
character
r
Read or punch a card and termi-
nate the format
.--~'-~-r~~~r-~'-~
N&Y12INUMERIC DATA686868684X10lALPHA DATAXAXAXAXAXAXAXAXAXAXAXAQ ,
Program level 1
f
Position one
In this example, when the operator initiates a read or punch
operation, position 22 of the input record defines the pro-
gram level used for formatting. Following is an example of
an input record and the formatted output record.
11111111112222222222333333333344444444445555555555666666666677777777778
~
1234567890123456789012345678901234567890123456 7 890123456789012345678901234567890
Column number
1000001000010000100001000ABCDEFGHIJK-----------------------~, Input record
NUMERIC DATA
1 10
100 1000 ALPHA DATA ABC D E F G H I J K
- - - - - - , - Formatted record
126