Xerox 3270 Programmer's Manual - Page 22

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3270 Programmer's Guide

IBM Related Functions

4. IBM 3270 Related Functions -

Special Settings

This chapter describes those FSL Functions specifically related to

the requirements of the IBM 3270 system. SCS command related

Functions, Functions which need to be stored and where powering

off and on the converter is needed to inform the controller about the

functionality, IBM RPQs and Intervention Required Timer (IRQ).

Some of the 3270 related functions are normally controlled from the

front panel on an IBM 3268/87 or an IBM 4214 printer. On the IBM

3287/3268/4214 printers, it is also possible to change the following

front panel settings via the line (in LU1 mode only).

Lines per inch (LPI): 3,4,6 or 8 LPI

Characters per inch (CPI): 10,12,15,16.7 CPI

Maximum Page Length (MPL)

Maximum Print Position (MPP)

The converter may be set up to emulate this control via the line on

your printer.

LPI can be selected either by Function Y2, LPI, or by the SCS

command SLD.

CPI can be selected either by Function Y3, CPI, or by the SCS

command SPD.

MPL can be selected either by Function Y5, Form Length or by the

SCS command SVF.

MPP can be selected either by Function Y6, Maximum Print Position

or the SCS command SHF.

The settings emulating the front panel settings on an IBM

3287/3268/4214 printer is the value stored in Function 2,3,5 and 6

which will be the actual value at power on.

The IBM 3270 datastream also comprises attributes which can be

used for selecting underscore, colour and APL.

For underscore selected by attribute, please refer to the FSL

(D62071), PCL (D62030) or XES (D62067) specific manuals as

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