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Page 14-3SCS DATA STREAMS
Interchange Record Separator (IRS) 1Eh
The ULTRA interprets this Interchange Separator as a new line.
Interchange Unit Separator (IUS) 1Fh
The ULTRA interprets this Interchange Separator as a space.
Line Feed (LF) 25h
The Line Feed command moves the presentation position down to the next
line. The column position remains the same. Option #3 Line Spacing
may cause the ULTRA to move down more than one line.
Null 00h
The Null command is converted to a space by the ULTRA.
Set Horizontal Format (SHF) 2BC1h
The Set Horizontal Format command is used to set left and right margins,
horizontal tab stops that are used by the horizontal tab command, and to set
the maximum presentation position for the page.The SHF command has
multiple parameters in the following format:
(SHF)(CNT)(MPP)(LM)(RM)(T1)...(TN) Where:
SHF The Set Horizontal Format command code = 2BC1h
CNT A Count of the number of bytes in this command string,
including the count byte.
MPP The maximum width of the print line. Default is the line
length of the physical device.
LM The character position of the Left Margin. LM is also the first
horizontal tab stop. The LM value must be less than or equal
to MPP. The default is 1.
RM The character position of the Right Margin. The value of the
RM must be greater than LM and less than or equal to MPP.
T1-TN The character positions of the horizontal tab stops, if any.
Valid tab stops are less than or equal to the value of MPP.
The tab stops do not have to be in any particular order.
Note: All parameters are single byte binary numbers.