Xerox 3270 Manual del programador - Página 10

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3270 Programmer's Guide

Function Selection via the Line

2. Function Selection via the Line
Function Selection via the Line (FSL) sequences are special com-
mands used for the downloading of settings to the 3270 Protocol
Converter .
The syntax of an FSL command is shown below.
"%" is the defined escape character (i.e. ESC character). See the
section on "Escape Character" in the following.
Syntax of an FSL command
When you send the FSL syntax to the converter via the line, the "Y"
and the following number will select an FSL Function.
All spaces and IBM control codes between the leading and the trail-
ing ESC characters will be ignored.
The FSL Functions are used for setting up the printer to special
applications, to carry out a special print job, or to gain access to
special facilities in the printer. A complete description of the sup-
ported FSL Functions for the printer drivers FSL , PCL and XES are
found in documents no. D62071, D62030 and D62067 respectively.
The Function numbers and parameters are listed as data options
along with a description of the results of selecting each option. The
parameters set the selected Function as required.

2.1. Escape Character

If you wish to program the converter, you must first define an "ESC
character "
characters following the ESC character form a command sequence.
1
In this manual, the ESC character is synonymous with the defined escape character . Do not
confuse it with the ASCII escape control code (1B HEX).
%Y<Function number>, <parameter>%
1
. An ESC character is a signal to the converter that the
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