IBM 3741 Data Station Reference Manual page 108

Printer Format Program Select, Horizontal Tab/Vertical
Skip Forms Control
Under local format control, program buffer A can contain:
• Printer format program select characters.
• Printer horizontal tab stop characters.
• Printer vertical skip stop forms control characters.
Printer Format Program Select Character
,indicates whether
the printer format instructions are obtained:
• From the program buffer selected manually by the
operator.
• From the program buffer selected automatically from
the content of position one of each data record.
• From the control characters in the data stream.
The printer format program select character must be in
position 001 of program buffer A. Figure 53 shows the
valid printer format program select characters and what
each character represents.
Horizontal Tab and Vertical Skip Stop Characters
These characters can occupy positions 2 through 128 in
program buffer A. Thus it is possible to format printer
forms up to 128 print lines long and tab up to print
position 128. (Tab stops are not allowed in positions
129-132.) The horizontal tab stop character is used to
specify tab stop positions and the vertical skip stop
character is used to specify the skip to positions.
102
Printer Format Program
Select Character Meaning
: (colon)
The colon (:) means the printer
format program is to be selected
by the operator. You must indi-
cate to the operator which pro-
gram buffer is to be selected.
Note:
A colon (:) in position
001 of program buffer A with
program buffer 0 selected means
that records are printed one
record per line with no format
control (this means that each
data record is printed as it exists
on the disk).
%
(percent)
The percent
(%)
sign means the
printer format program buffer is
selected, record by record, by
the content of position 001 of
each record. A three in position
001 of a record selects program
buffer three for that record.
Note:
If position 001 of the
data record contains a 0 or a. non-
numeric character, each record
is printed with no format con-
trol (this means each data record
is printed as.it exists on disk).
+
(plus)
The plus (+) sign means the for-
mat of the print line is controlled
by print control characters inthe
data stream. See
Processing Unit
Format Control
in this chapter.
All other characters Any other character used in
position 001 of program buffer
A causes records to be printed.
one record per line with no for-
mat control for the record.
Figure 53. Printer Format Program Selection Characters