IBM 5291 1, 5291 2 Operator's Manual

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IBM

5291 Models 1 and 2

Display Station

Operator's Guide

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GA21-9409-2

File No. 55250/534/536/538-06

IBM

5291 Models 1 and 2

Display Station

Operator's Guide

Federal

Communications

Commission

(FCC)

Statement

WARNING:

and

if

interference

for

limits

This equipment generates, uses, and can radiate radio frequency energy

not installed and used in accordance with the instructions manual, may cause

to

radio communications. It

a Class A computing device pursuant

has

been tested and found

to

Subpart J

of

to

comply with the

Part

15

of

FCC
which are designed to provide reasonable protection against such interference
operated in a commercial environment. Operation
area is likely
required

to

cause interference in which case the user,

to

take whatever measures may be required

of

this equipment in a residential

at

his own expense, will be

to

correct the interference.

Rules,

when

Third

Edition

This major revision makes obsolete
include information about the 5291 Model 2. Changes
illustrations are indicated by a

Changes are periodically made
reported in subsequent revisions

Use this publication only

Publications are
publications and

your

IBM

This publication could contain technical inaccuracies or typographical errors. A

form

for
has been removed, comments may be addressed
Development,
whatever information you
incurring any obligation

©Copyright

(May

1984)

GA21-9409-1.

vertical line

to

the information herein; any such changes will be

or

for

the purposes stated in the Preface.

not

stocked

for

representative

readers' comments is provided

technical information about the system should be made

Rochester, Minnesota, U.S.A. 55901. IBM may use

International Business Machines Corporation 1982, 1984

at

the address below. Requests

or

to

the branch office serving your locality.

supply in any

to

you.

to

Technical Newsletters.

at

the back

way

Additions were made

or

the left

it

believes appropriate

additions

of

the change

of

this publication.

to

IBM Corporation, Information

for

to
or

copies

or

distribute

without

to

the

text

addition.

of

IBM

If

the form

and

to

Preface

This operator's guide provides three types

of

information

about the IBM 5291 Models 1 and 2 Display Stations:

How

to

1.

Reference information

2.

3.

What

This guide is

and supervisory personnel.
tool

as
operator does not need
should be familiar

Note:

operate the display stations

about

to

do when things appear wrong

for

the IBM 5291 Models 1 and 2 operator

It

can be used

well

as

a source

with

of

reference information. The

to

know any programming but

typing.

The term host system refers

the display stations

as

a learning

to

the controlling or
highest level system in a configuration; some system
publications might use the term system unit.

The term remote work station control/er refers

controlling device at a remote location, such
or

a 5251 Model 2 or 12 that coordinates

to

as

work

a

a 5294

station

operation with system operation.

The term display station refers

1 and

2.

to

the IBM 5291 Models

Chapter 1 contains information that the operator needs
to

operate the display stations.

Chapter 2 contains reference information about the
keyboard.

Chapter 3 explains the error codes and the recovery
procedures.

Chapter 4 contains the problem determination
procedures.

Chapter 5 contains the matrix printer verification test

(5256 Printer).

Related Publications

• IBM

5250

Information Display System Introduction,

GA21-9246, describes the work stations that make
up the 5250 and their available functions and
features.

• IBM

5250

Information Display System Planning

Site Preparation Guide, GA21-9337, provides

and

environment, electrical, communications, space,
furniture, and cable specifications

planning

for

the setup

of

the IBM 5250 Information

to

assist

in

Display System. This manual also provides
information

the system and prepare instructions

to

help the system programmer configure

for

setup

personnel at remote sites.

• IBM 5291 Display Station Setup Procedures,

GA21-9408, provides
the setup and checkout

step-by-step

of

the IBM

instructions

5291

Display

for

Station. This manual is used after the display station

has been unpacked and placed

• IBM 5291 Model 2 Display Station Setup Procedure,

GA21-9802, provides
the setup and checkout

step-by-step

of

in

the IBM

position.

instructions

5291

Model 2

for

Display Station. This manual is used after the display
station has been unpacked and placed in position.

• IBM 5251 Display Station Models 2

GA21-9323, describes the procedures required

Guide,

to

operate the

situations when the

5251

Models 2 and 12 and

5251

does not operate

and

12

Operator's

to

correct

as

expected.

• IBM

5250

Information Display System Functions

Reference Manual,

SA21-9247, describes the
programming requirements for communicating with
the 5250 Information Display System. This manual
also describes how
areas within the remote link

to

determine problem-causing

to

that system.

A glossary is included at the back

Note:

This manual follows the convention that

means

he

or

she.

of

this manual.

he

iii

• IBM.

5250

Information Display System Keyboard

Template Assignment
Sheet, GX21-9271, provides row and column layout

of

the display screen. The sheet can also be filled

out

for

use by the key / data operator

Sheet and Display Screen Layout

as

a run sheet.

IBM 5291 Keyboard Template, GX21-9410,

IBM 5291 Model 2 Keyboard Template, GX21-9501,

or

provides forms that when filled out by the customer,
identify 24 additional functions that can be assigned

to

the

top

row

of

keyboard keys. The template also

contains customer problem determination procedures

for

the IBM 5291 Display Station.

• IBM

5250

Information DisplaySystem Typewriter-Like

Key top Graphics,

form providing examples

GX21-9397,

of

keytops

is

an

adhesive material

for
customer developed documentation such
books. The

form

contains keytop graphics from the

use in

as

run

typewriter-like keyboard on the IBM 5251 Display
Station and the IBM 5252 Dual Display Station.

the

iv

Contents

CHAPTER

DISPLAY

General Information

Host System .
Cleaning

Basic Operation .

Power Switch
Brightness Control
Contrast Control
Alarm Control
Rotating the
Adjusting the Slope
Adjusting the Viewing

The Display Screen . . . . .

Display Status Indicators

Cursor Location Information

Choosing the Cursor . . .
Display Highlighting and

The

Typematic Keys

Command Function Keys

CHAPTER

Function Control Keys

Command Key . . . . . . . . . .

Test
Reversing the
Clear
System

Cursor

Shift. Spacebar, and Special Symbol Keys

1.

LEARNING TO OPERATE THE

STATION

...

(Mo~el

. . . . . . . .

Display Unit (Model 2 Only)

Keyboard.

Request.

Delete Key
Insert Key . . .
Erase
Home Key
Print Key
Help Key
Roll Keys
Error Reset Key
Enter / Record Advance Key
Duplicate Key
Field Exit Key
Field + Key .
Field - Key

Movement

Moving the Cursor

of

a Field or

Shift

Keys

Shift

Lock Key . . .
Spacebar
Special Symbol Keys

. . . . . .

2.

KEYBOARD

. . . . . . . . . .

Display Image (Display Mode)

...........

Request/Attention

Input Key

Keys

New

..

.....

2 Only)

of

the Keyboard . .

Angle

Formatting.

to

the Beginning

Line . . . . . .

.....

of

the Display Screen

.

Key .

.

1-1

1-1
1-3

1-3

CHAPTER

PROCEDURES.

Help Key Function . .
Additional Information
Error Codes

3.

ERROR CODES

. . .

AND

RECOVERY

•......

3-1

3-1
3-1

3-2

1-4

1-4
1-6

CHAPTER

PROCEDURES

4.

PROBLEM DETERMINATION

. . . . . . . . . . . . . .

4-1

1-7
1-8

CHAPTER

5.

RUNNING THE VERIFICATION TESTS

5-1

1-9

1-10

GLOSSARY

G-1

1-12

1-13

INDEX

...

X-1

1-14

1-16
1-17
1-18
1-19

1-20
1-21

2-1

2-1

2-2

2-4

2-4

2-5
2-6

2-7

2-8

2-9
2-9

2-10
2-10
2-11
2-11
2-12
2-12

2-13

2-14
2-14

2-15

2-18

2-20
2-20
2-20
2-21
2-21

Contents v

vi

Chapter 1. Learning

to

Operate

the

Display Station

This chapter describes
the

display screen, and the keyboard, as well as some common operator tasks.

GENERAL

INFORMATION

The

IBM

5291

Models

to

connected
compatible

The display stations have
following:

• Function control keys
position the cursor

• A Cmd (Command) key
functions

• Typematic keys

• A

10-key

adding machine

The Model 1 has three major parts: the display unit, the keyboard unit, and the

lower

unit. The
the keyboard, and
will be used throughout

the display stations.

movable keyboards by flexible cables. The display stations are

with

numeric cluster

the

Power switch, the Brightness and Alarm controls,

1 and 2 Display Stations are tabletop display units

the

IBM

5251 Models 1 and 11.

that

Model

the

pedestal. (See

83-key

that

repeat their function when held

2 has

the

typewriter-like

are used

that

permits selection

that

allows you

four

major parts:

manual

to

keyboards

to

insert, delete, or move data, and

of

programmable command

down

to

enter numeric data

the

display unit, the

the

following

help locate switches and indicators on

illustrations.) These names

that

provide the

as

on an

lower

to

unit,

Learning

to

Operate the Display Station

1-1

Keyboard Unit

The Three UnitS

of

the

\IIIo<Iel

1

Display Station

The Four UnitS

'\-2

of

the

\IIIo<Iel

n

2 Display St&tio

Host

System

In this manual, the term system refers
station is connected to.
environment, then the

If

you are working in a data communications

host

system is the controlling

to

any host system

that

your display

or

highest-level system in

the configuration. The system can receive, process, and send back information

entered by

The term display station refers

display station operators.

to

the

IBM

5291 Models 1 and

2.

Cleaning

CAUTION

Do

not

use spray cleaners on the keys or near the keyboard. Do

cleaning fluid (methyl chloroform)

Use a cloth dampened

with

mild soap and

or isopropyl alcohol

water

to

for

clean

cleaning.

the

not

covers, keyboard,

display screen, and display screen filter.

use IBM

Learning

to

Operate the Display Station

1-3

BASIC OPERATION

Once your display station is properly set up and checked out, you
how

to

to

the Display Station Setup Procedures shipped with your display.

The best way
controls, and keys

Power

Switch

operate it. For information on

to

learn

to

operate the display station is

as

you read about them.

how

to

set up your display station, refer

Model 1

The Power switch is on the right side.
To turn the display station on, set the Power switch

of

the lower unit near the rear corner.

to
upward. To turn the display station off, set the Power switch
pressing downward.

can

to

use the switches,

On

(I)

by lifting

to

Off

learn

(0)

by

On(

I)

Model 2

The Power switch is on the
on, set the Power switch
Power switch

to

Off

to

(0).

front

On

of

the lower unit. To turn the display station

(I).

To turn the display station off, set the

Off(O)

1-4

Whenever you set the Power switch
performed
alarm will sound when the tests have successfully been completed.
display station is attached
follows should appear.

Cursor

to

tell you whether the display station is operating correctly. An

to

the system, a sign-on display

to

the

On

position, tests

are

or

the display that

automatically

If

your

/

01-02

/

Note:

Your display station must be connected

be

must

If
Procedures in Chapter 4

Template,
Template,

operating. Otherwise, the display will

a problem is encountered during this testing,

of

this manual or refer
GX21-9410 for the Model 1
GX21-9501.

or

Display

./

--

to

the system and the system

be

different from the illustration.

see

the Problem Determination

to

the IBM 5291 Keyboard

the IBM 5291 Model 2 Keyboard

(either--orlill

--

Status

Indicators

Learning to Operate the Display Station

1-5

Brightness Control

Model 1

The brightness
control on the
watching

the

of

the data on

left

underside

of

display and adjust

the

display is controlled

by

the Brightness

the display unit. Turn the control while

to

the

level

of

brightness you desire.

Model

2

The Brightness
Brightness knob

control is on the right side

clockwise

to

make the data on the display brighter.

of

the display unit. Turn the

1-6

Contrast Control (Model 2 Only)

The Contrast control is on the right side
adjust

the

display contrast (the difference in brightness between fields

highlighted and the fields

Turn

the

Contrast knob clockwise

not

highlighted).

to

decrease the contrast between fields.

of

the display unit and is used

to

that

are

Learning

to

Operate the Display Station 1-7

Alarm Control

Model 1

The loudness

of

the display station alarm is controlled by the Alarm control.
The Alarm control is located on the left side
control

to

the loudness level you prefer.

Model 2

The Alarm control is located on the back

control clockwise

to

increase the volume.

of

of

the lower unit. Adjust this

the lower unit. Turn the Alarm

1-8

Rotating

tt>e

The Oisplav Unit can

DisplaV Unit lllllodel2.

be

rotated without moving

Rotate

onlvl

the

lower unit.

\.88

min9

to

operate the Display station ,

-9

Adjusting

the

Slope

of

the

Keyboard

The keyboard can be adjusted so

comfortable
10

degrees,

Using the Keyboard at

1 . Rotate

2. Rotate

for

you. The keyboard can be used flat,

15

degrees, or

the

the

(see

place.

following

the

Left
Knob

Extend Longest
Leg

20

Degrees

left

right adjustment knob until the longest leg is locked into

that

the

slope

of

the keys is

or

20

degrees.

adjustment knob until the longest leg is locked into place

illustration).

most

sloped approximately

Using the Keyboard at 15 Degrees

1.

Rotate the

Keyboard

2. Rotate the

that

into the keyboard and a shorter
extended.

Rotate

Opposite Direction

left

and right adjustment knobs as described in Using the

at

20

Degrees.

left

and right adjustment knobs in the opposite direction

in step 1 (see the following illustration). The longest leg will

Left
Knob

Knob

in

leg (the

middle-length

from

go

back

leg) will remain

Right

Knob

1-10

Using the Keyboard at

1 .

Adjust

the slope

10 Degrees. The

2.

Use your fingers
(see the

following

10

Degrees

of

middle-length

to

the

keyboard

as

described in Using the Keyboard at

legs should be extended.

push the

middle-length

legs up into the keyboard

illustration). The shortest legs will remain extended.

Middle-Length
(15

degrees)

Using the Keyboard in the Flat Position

When

all the legs are locked in the underside

in the

flat

position.

Leg

of

the keyboard, the keyboard is

Learning

to

Operate the Display Station 1

-11

Adjusting

the

Viewing

Angle

of

the

Display

Screen

The display unit tilts upward and downward so you

comfortable viewing position. To
towards you;

to

tilt

the display unit downward, push downward and away from

tilt

the screen upward, pull upward

you.

Model 1

can

adjust the screen

and

to

a

Model 2

1-12

THE DISPLAY SCREEN

The display screen
each line
display is reserved for system and display station status information.

(a

maximum

,...---------

can

24

Lines

display 24 lines

of

1920 characters). A status line at the bottom

of

data with up

80

Characters----------

to

80 characters on

of

the

....

·,

Status Line

/

Learning

to

Operate the Display Station

1-13

Display

Status

Indicators

Display status indicators are located
area

known

as

the

status line. These indicators

both the display station and the system

at

the

or

bottom

show

remote

of

work

Display Status Indicators

When

the Power
warmed up, each
The indicator is on
the name

of

the status line above

switch

the

indicator. The indicator is

is set

to

of

the display status indicators

when

a square block

the

name

of

the On position and the display station has

will

(.)

appears on the status line above

off

when

two

the indicator.

The display status indicators and their meanings are as

the display screen in

the operating status

station controller.

appear either on

dashes (--)

or

appear on

follows:

an

of

off.

System Available

• The system
and is available
The system
to

the

display station.

If

the

System Available indicator does

Determination
Keyboard Template,
Keyboard Template, GX21-9501.

Procedures in Chapter 4

Message Waiting

• The system has one
(An alarm may also sound when the Message
indicator is on.)
The system does

Refer

to

the

host

system operating manual

your messages.

or

remote

to

the display station.

or

remote

GX21-9410

or

not

work

station controller is operating

work

station controller is

not

come on, see the Problem

of

this manual

for

the

Modell

more messages

have a message

or

the IBM 5291 Model 2

for

for

you.

for

information on

not

available

or

the IBM 5291

you.

Waiting

how

to

obtain

1-14

Keyboard

Shift

• The keyboard is in uppershift.
The keyboard is in lowershift.

Refer

to

Shift, Spacebar, and Special Symbol Keys in Chapter 2

how

to

on

Insert Mode

change the keyboard shift.

• Characters can be inserted into an existing
field (from

the

keyboard)

without
existing data.
Characters cannot be inserted into

field

Refer

to

Input Inhibited

without

Insert Key in Chapter 2

destroying data.

for

an explanation.

destroying

an

existing

for

information

• Keyboard input will
or

remote

work

not

be accepted by the system

station controller.

Keyboard input will be accepted by the system

or

remote

When

the

Input

most

keys are pressed. The alarm indicates

work

station controller.

Inhibited indicator is turned on, the alarm will sound

that

the system is

not

accepting

when

your keystrokes.

The

Input

Inhibited indicator is turned on

station controller

while

it

is processing your data and requests. The

by

the system or

by

the remote

work

Input

Inhibited indicator is also turned on by error conditions; see Chapter 3, Error

Codes and Recovery Procedures.

an

abnormal length

of

time, contact

If

the

your

condition is

supervisor

not

an

error and persists

for

recovery instructions.

for

Learning

to

Operate

the

Display Station

1-15

Cursor Location Information

The status line
location

Cursor Location
(row

and column)

The cursor location is displayed
(the first

of

the display station describes the screen row

of

the cursor.

as

a four-digit number separated by a dash

two

digits represent the row that the cursor is

in

and

and

column

the second
digits represent the column). The display screen contains 24 rows (lines)
data with a maximum
illustration shows how the

of

80 columns (characters) per row.

display screen is divided into rows

The

and

following

columns:

~ ~

Row

Row6

Row 2

1

4

~----~------~------~"

_______ L ______

\ I I I

~lr------~------~------

/

I I I
I I I
I I I

I I I
I I I
I I I
I I I

I •

Column Column Column

20

i

06-60

1-

ll~:~i~;:"

\

Cursor Location

~------

40

i

--

1-

--

--

II~::::

11;";;:0'"

II~::;;

11:;:~:i'"

.

60

I

I

______

JI

•

~

~

two

of

Cursor

For example, the cursor
would be displayed on your status line

1-16

in

the illustration

is

as

in

row 6 and column 60. This

06-60.

Choosing

the

Cursor

The cursor appears on
entered
rectangular block ( I
underscore

To

1.

2.

If
above steps.

from

the

keyboard

(_).

change the cursor:

Press and hold

Press

the

you

want

to

change

the

display screen

will

appear. The cursor normally appears as a

),

however, you can change

down

the

El

key.

the

cursor back

to

(Command) key.

to

the rectangular block, repeat the

show

where the next character

the

cursor

to

appear as

an

Learning

to

Operate the Display Station 1

-17

Display Highlighting and Formatting

The display station
attention to a certain display screen location or field, or
must enter data (input

has

several field highlighting characteristics

areas).

These characteristics may appear

to

show any place you

combination.

This display formatting is accomplished through programming
You might

see

one or more

of

the following display highlighting characteristics

(attributes) :

•

Reverse

background, a reverse image field

Image:

If

light green characters

are

has

dark characters

ordinarily displayed

on

background.

•

Column

Name:

Separator: Characters

James

in

Rothey

this field

are

separated by dots. The dots

appear below the character.

Name: J,a.m,e,s, .R.o,t,h,e.y,

to

help draw

in

any

in

the system.

on

a dark

a light green

• Underscore: Characters
them.

Name:

• Blink: Characters

•

High

Intensity: Characters

in

this field blink repeatedly.

intensity.

•

Nondisplay:

codes or passwords

Characters

used

nondisplay fields.

in

this field have a continuous horizontal line below

Jam

e 5

Bot

hey

in

in

this field

for

this field

signing

are

brighter than those with normal

are

not displayed.

on

to the system

For

example, security

are

often entered

in

1-18

THE KEYBOARD

The following illustration shows the typewriter-like keyboard. The dark keys
are the function

control keys. (See Chapter 2

of

this manual

for

information about each function control key.) The function control keys are

to

used

insert, delete, and move data, and

to

position the cursor. The dotted

keys in the illustration are data keys. Data keys are used in the same manner

as

the keys on a typewriter.

detailed

Learning

to

Operate

the

Display Station 1

-19

Typematic

Keys

All

of

the data keys
means that
released.

For

an

example

and

many

of

the function control keys

if

the key is held down,

In

the following illustration, the dark keys

of

a typematic function, press and hold the J key for a

it

repeats its character or function until

are

are

the typematic

typematic. This

seconds while observing the display screen. Notice that the letter J appears
continuously on the display screen until you release the key.

keys.

few

it

is

1-20

01-16 •

Command

Function

The

top

row

of

the

Command key, are
function keys are used
keys in the

The Command key is used
on the

5291

assigned.
communicate

following

IBM 5291 Keyboard Template,

Model 2 Keyboard Template, GX21

by

the system programmer and permit the display station operator

Keys

data keys and

known

to

illustration are

with

the

system program.

the

Character Backspace key, when used

as

the command function keys. Command

communicate

to

select the command functions

with

the system program. The dark

the

command function keys.

GX21-9410

-9501.

The command functions are

for

the Model 1

that

are described

or

with

the IBM

to

24

Each template has

the

keyboard. Your programmer can label the template

of

functions

above
Chapter

~~;:rShift

Lowershift

Keys " /

these keys. The template should then be placed in the area just

the

top

row

2

for

more detailed information.

t:;:f=>IDDDDDDDDDDDD

~

spaces

of

the keyboard keys as shown. Refer

, /

that

correspond

,

DDDDDDDDDDDEJ

to

the upper

row

of

to

describe the

to

Command Key in

data keys on

, /

, /

, /

, /

, /

,

Learning

to

Operate the Display Station

1-21

1-22

This chapter explains the function control keys, cursor movement keys, and
special symbol keys. Usage
your display station is connected to. For more information, refer

system operating manual.

of

these keys can vary depending on

FUNCTION CONTROL KEYS

Chapter 2. Keyboard

what

system

to

your

The function control keys perform system-related functions

operations on the display station. The function control keys are shown
darkened keys in the illustration below.

as

well

as

as

the

Keyboard

2-1

Command

EJ

Key

01

oooooooooooOOCDJCDJCDJ
00 1lJIJ0000oooooooORoooO
00 CDJoooooooooooot:jooo§

00

[]oOOOOOOoOOollJlJoOOO

00

ern

1

When the Command key is pressed the system disregards the
normal function shown on the top row key and instead performs
the function assigned
keyboard template
row

of

keys.
command functions assigned
command function keys).

fits

It

can be used

I[]]]DrnODJ

to

that key

in the recessed area just above the top

to

indicate

to

in

the system program. The

to

the operator the

the top

row

of

keys (called

The illustration below shows
corresponds
be used

Uppershift
Keys

Lowershift
Keys

Command~

Function \ '
Keys

with

to

select either

the top row

of

two

'-----'!k-~:--iDDDDDDDOODD

---fl!

LJll

o!

\

\ II

how

the keyboard template

of

keys. Note that each key can

command functions.

OOOODOOOODO

,

[]

[)

n

[Jr.

Fl

[]

[)

n

used

[]

to

12

....................

\ 1

\

~~...,

\

-1

3 U 5

13)

~

7 8 l!.J 0 U =

This key
select

1

or

can

command functions

13.

be

n

[]

OEJ[)

2-2

Selecting Functions on the Bottom

Row

of

the Keyboard Template

To select the command functions shown on the bottom row
template

1.

2.

To cancel the selection procedure after you have pressed the Cmd key, press
the Error Reset key.

Note:
cursor changes from
explained

Selecting Functions

To select the command functions shown on the
template (Display Mode, 13 through 24, and Clear):

1.

(1

through 12 and Test Request):

Press the

Press the
indicating the program function desired. Pressing any other key causes

error.

If

you press the Cmd key and the Error Reset key at the same time, the

Press the B (Command) key.

El

(Command) key.

top

row

key that is directly below the keyboard template

an

underscore

in

Choosing the Cursor in Chapter

on

the Top

Row

to

of

the Keyboard Template

a solid rectangular block. This is

1.

top

row

of

the keyboard

of

the keyboard

an

2.

Press and hold
be used even

3. Press the
indicating the program function desired. Pressing any other key causes
an

error.

To cancel the selection procedure after you have pressed the Cmd key,
press the Error Reset key.

an

8 (Uppershift) key. (The Uppershift key must

if

the Keyboard Shift indicator is on.)

top

row

key that is directly below the keyboard template

Keyboard

2-3

Test

Request

OED

00

oooooooooooOo_crnCill
00 [O[]oooooooooooORoooo
00 CIIlooooooooooool::JOOo§

[])OoOoOOooooo[O[]OOOO

00
00

[OJ

I

The

test

request command starts

display station. (See Chapter

To

start

the

testing routines:

1.

Press the B (Command) key.

100J[ll)[]]]

the

test

5,

Running the Verification Tests.)

routines

for

your

Reversing

o

the

2.

Press the
located directly
keyboard

Display

Image

00

.00000000000

00

[O[]oOOooo.

DO

1llJ0000000000001::J000§

00

OOOOOoOooOoo[O[]Oooo

00 CDJI .

This key allows you

image. By using this key, you can switch back and
light green characters on a dark background

light green background.

on a

To

reverse the display image:

1.

Press

2.

Press and hold an

CEIJ

template.)

(Display

the

Mode)

oooooORoOOO

to

EI

(Character Backspace) key. (The key

below

the

words

Test Request on the

O[IJJITIJOJJ

ICDJ[ll)CDJ

choose the

(Command) key.

~

most

suitable display screen

(Uppershift) key.

.

to

dark characters

forth

from

3. Press

2-4

the
directly
template.)

below

0 (Grave Accent) key. (The key located

the

words

Display

Mode

on

the

keyboard

Clear

00 oooooooooooOO_OOJCIIJ
00

[]ooooooooooolORoooO

00

CDJoooooooOOooOl:::Joo

o

§

00 []OoooooooOoo[]DOoOo
00

(ill

I

ICDJCIDCDJ

The Clear command erases the display (with the exception

the

cursor and
under program control (that is,
system program can change the
you can recover
systems, you may have
position
ignore

the

To use the

1.

Press the

2.

Press and

Press the

3.

located directly
template.)

display indicators)

if

you accidentally press the Clear key.

to

to

blank the display because some system programs

Clear command.

Clear command:

EJ

(Command) key.

hold an B (Uppershift) key.

(]EJO

below

when

the display station is

with

an

unformatted display). A

way

this command operates, so

On

set the Power switch

(Character Backspace) key. (The key

the

word

Clear on the keyboard

to

the

Off

of

the

not

some

Keyboard

2-5

System Request/Attention Key

Sys

!!!.L

Attn

.0

OOOOOOOOOOOOOCDJCDJCDJ

00

[OOOOOOOOOOOOO[]ROOOO

00

[DJOOOOOOOOOOOO~OOO§

00

[]OOOOOOOOOOO[OOOOOO

00

[]]JI

Use

of

the Sys

With

most systems, the Sys

• Start sign on

• Start and select

• Temporarily stop the present display station activity and allow
selection

• Notify the system that the display station is ready
new

program or activity

• Request that the keyboard be unlocked (after normal error
recovery action has failed) so you

To use the system request function:

1.

Press and hold

Req/

to

the system

an

of

a new activity

J[l]][l]][DJ

Attn

key can vary depending on the system.

Req

/ Attn key can be used to:

alternate job

to

can

an

B (Uppershift) key.

continue

to

enter data

select a

2.

Press the

3. Press the key.

To cancel the

key. Pressing any other key before pressing the Enter/Rec Adv
key causes
connected
data keys before pressing the Enter key.

To use the Attention function, press the

Sys

Req/

an

error. However,

to

a remote

Attn

key function, press the Error Reset

if

your display station is

work

station controller, you can press

Sys

~~t~

key.

2-6

Delete

Fl

l!::!J

Key

00

0000000000000[1]J0J][]]]

.0

[[]!)OODOOOOOOOO[]ROOOO

00

CDJOOOOOOOOOOOOI::lOOO§

00

OOOOOOOOOOOO[[]!)OOOO

00

ern I

The

Del/Ins

do

this, the character
and all characters
are shifted
the buffer displayed as
field as the characters are shifted left.

Note:

To

use the delete key:

1. Position

2.

3. Press

key deletes data

to

to

the

left

The delete key is accepted only in input fields.

the

cursor at the character

Press and hold an

the

Fl

ICDJernCDJ

from

the display screen.

that

the cursor is positioned

the right

one position. Nulls (hex

key.

of

the cursor (in

blanks) are inserted at

OEID

(Uppershift) key.

~

the
'00'
the

to

be deleted.

When

at

is deleted

same field)

characters in

end

of

the

you

)

Keyboard

2-7

Insert

Fl

I!:.J

Key

00

000000000000

.0

lDJOOOOOOOOOOO[]ROOOO

00

[]JJOOOOOOOOOOOO~OOO§

00

[]OOOOOOOOOOOlDJOOOO

00

ODJI

The

Del/Ins

the

cursor position, into an existing input field on your screen

without

'00'

characters in the buffer displayed
rightmost positions
done. Use the

the

existing characters are shifted
each character inserted. The cursor also shifts
position.
nulls, the Input Inhibited indicator comes on, the keyboard locks,
and an error message is displayed.

key allows you

destroying data already there. (There

of

Delete key

If

you

attempt

O[[[]ornCDJ

lornODJDDJ

to

insert a character or characters, at

must

be nulls

as

blanks]

the field where the insert

to

insert nulls.)

to

to

insert more characters than there are

When

the right one position

in the

or

inserts will be

you insert data,

to

the right one

[hex

for

The insert function is

field.

input

To use

1.

2.

The

screen comes on when the function is accepted.

3. Enter the data

4. To

Note:
procedure,
insert mode, press the

the

insert mode:

Position the cursor
inserted.

Press the

Insert

Mode

leave the insert mode, press the Error Reset key.

If

the

Error Reset key is pressed during a system recovery

the

not

accepted in the last position

at

the location where the data is

ei

key.

(l

Ins

indicator (

to

display station leaves insert mode. To reenter

.)

at the

be inserted.

Del/Ins

key.

bottom

of

of

an

the display

to

be

2-8

Erase Input Key

Home

Erase

Inpt

Home

Erase

!!!&..-

Home

Key

00

ooOooooooooOOCDJCITlmJ

O.

[[][)oOoooooOooo[JJRoooo

00

CDJOOOOOOOOOOOOl::::jOOO§

00

[]ooOoooooOoO[]OOoo

00

[ill

I

The

Erase

Input/

Home key erases data from all input fields and
the cursor moves
first

input position

When the display station is in free key mode, this key erases
everything on the display screen and the cursor moves
first

input position on line

To use the erase input function:

1.

Press and hold

2.

Press the

00

OooooOooOOOOO[ll)CDJCOJ

01

[[][)OOOOOOOOOoO([]RoooO

00

CDJoOooooOooOool::jOoo§

00

tOlOOOOOoOOOOO[]OOOO

00

[OJ

I

to

of

~

H_

ICDJCITlCDJ

the home position on the screen (usually the

the

first

input field).

to

the

1.

an

U (Uppershift) key.

key.

I(ilJCITl(ll)

When the display screen is under format control, the Erase
Input/Home

home position.

When the display station is in free key mode, this key moves the
cursor

When supported by the host system program, this key displays a
previous record.

press this key, the previous record is displayed.

To use the Home key:

Press the

key moves the cursor

to

the

first

input position on line

If

the cursor is in the home position and you

~

key.

Home

to

the system designated

1.

Keyboard

2-9

Print

Key

00

ooooooooooooOCDJCDJCDJ

00

([]JoooOooOoOOo[]ROoOO

.0

[DJ0000000000001::10oo§

00

[]OooOOOooooo([]JOooo

00

[OJ!

ICDJCDJCDJ

Help

Key

EJ

The Print key gives you a printed copy
on your display screen. The system program selects the printer
that will print the data being displayed.

To use the Print key:

Press the

Note:

when you press

For more information, contact the host system operator.

00
00

O.

00
00

The Help key gives you further assistance
current error condition. (You must
and the system must be programmed

information about the error condition see Chapter

and

bJ

key.

On

some host systems, a print request can be canceled

an

0ElJ

ooooooooooooocrnOaJCDJ

(D!)oooooooOooo[]RoOoO
[DJ0000000000001::1000§

[]oooooOoOOoo([]JOOoo
ern! .

Recovery

Procedures.

(Uppershift) key and the

ICllJCDJCDJ

of

the current information

.

or

a description

be

signed on
to

provide help.) For more

to

3,

bJ

of

the system

Error

Codes

key.

a

2-10

To use the Help key:

Press the

If

you press the Help key during
might be displayed that describes the error unless the error
resulted in a loss
continue entering data, press the Error Reset key. This will reset
the help message, reset the error condition, restore the display
screen, and unlock the keyboard.

EJ

key

an

error condition, a message

of

communications with the host system. To

Roll Keys

00

ooooooooooOOoCDJCDJCOJ

00

[O[)oooooooooOo[]RooOO

00

[DJ000000000000l::!J000§

••

[[]OOOOOOOOOOO[O[)Oooo

00

[0]1

A Roll key moves the information on the display screen up or
down. This movement repositions the information on the screen
and allows you
normally viewed.

to

view data either above or below what is

ICDJOOJCDJ

Error Reset Key

The system program controls the use

individual job.

To use the

Press and hold

the...

~

00
00

[O[)ooooooooooo[]Roooo

00

CDJooooooooooOol::!JOOo§

00

IOJOoooooooooo[])Oooo

00

The Error Reset key unlocks the keyboard when
because
system request, and command modes.

To use the Error Reset key:

Press the

Roll keys:

an

OEID

key

or

the + key.

000000000000

_I

of

an

error condition.

(Uppershift) key; then press

~

ocrnCOJern

ICDJOOJOCIl

key.

of

these keys

It

also resets the help, insert,

for

it

is locked

each

Keyboard

2-11

Enter/Record

Advance Key

00

OOOOOOOOOOOOOCDJODJCOJ

00

[]ooOOoOOOOOOOROoOO

00

[OJOOOOOOOOOOOOf::JOOO§

00

[]OoOOOOOOOOO[]OOOo

00

[l]]1

'_OOJillJ

Duplicate Key

(

IE]

)

The Enter /
to

be sent

If

an

Error Codes and Recovery Procedures

error and

To use the Enter /

Press the

00
00
00

Rec

Adv

key indicates

to

the system.

error code appears on the display screen, see Chapter 3,

do

the recovery procedure listed.

Rec

Adv

key.

key:

that

the entered data is ready

for

the meaning

OoOOOOOOOOOOOODDCDJ_

[]O

0 0

0000000

OCOJRO

0 0 0

lIJJOOOOOOOOOOOOf::JOOO§

ooDOOOOOOOOOOO[]OOOO
00

OOJI

The Dup key requests the program
in the same
asterisk
all the
will occur.

field

with

an overscore

following

of

the

positions

'CDDOOJ(llJ

to

duplicate the information

previous record into this record. An

(;)

is placed in the cursor position and

of

that

field

to

indicate that duplication

of

the

2-12

If

you press the key in a field

duplication, an error is displayed.

To use the Dup key:

Press the [

IE])

not

key.

programmed

to

accept

Field Exit Key

00

OOOOOOOOOOOOO[DJOIJ[ll]

00

IIJDOOOOOOOOOOOIDIOOO

00

[]]JOOOOOOOOOOOO

00

[]OOOOOOOOOOOCDDOOOO

00

OIl

I ICilJOIJCQJ

0

OOO§

The Field Exit key exits

blanks are inserted
of

the field.

data

to

positions are
format
you press this key in a signed numeric

in the

Press

program

code appears on the

Recovery Procedures

recovery procedure

To

use the Field Exit key:

Press the

When

the

left

of

filled

and the cursor advances

last position

the

Field Exit key

as

right-adjust

an

input field.

from

the present cursor location

you press this key in a

the cursor is shifted

with

zeros

or

blanks

to

the next input field. When

of

the field.

to

exit input fields

or field exit required fields.

display, see Chapter 3

for

the meaning

listed.

key.

When

you press this key,

to

the end

right-adjust

to

the right. The vacated

as

specified by the

field, a blank is inserted

that

are specified by a

Error

of

the error and

If

Codes

do

field, the

an error

and

the

Keyboard

2-13

Field + Key

00

00000000000

00

[O)ooOoooooooo[]RoooO

00

CDJoooDoOoooooOt:jooOI

00

[]ooooooooooo[O)Oooo

00

[OJI

0 0 [llJCDJCilJ

ICillCDJCDJ

Field - Key

El

The Field + key operates

To

use the Field + key:

Press the

00

0000000000000

00

[O)ooOoooooooOIJlJJRooOI

00

[OJOooooooooooo~ooo§

00

[]ooooOoooooo[O)Oooo

00

[OJ

I

Use

of

the Field - key can vary depending on the system.

However,
as the
signed numeric and numeric
a - (minus) sign in
it

changes

alphabetic character.

with

Field + and Field Exit keys except

key.

most

the

last position

as

a Field Exit key in all fields.

CIIJOOJCDJ

ICDJCDJODJ

systems the Field - key operates the same

only fields. Pressing this key inserts

the last position

of

a numeric only field

that

it

is al!owed

of

a signed numeric field

to

an

only

or

in

2-14

Note:

The Field - key causes an error

programmed

To

use the Field - key:

Press

the

to

B rkey.

accept negative input.

if

used

with

any field

not

CURSOR

MOVEMENT

KEYS

The cursor
the

keytop. All cursor movement keys are typematic, and cursor movement

does

If

an error code appears on the display, see Chapter 3 Error Codes and

Recovery Procedures

procedure

The dark keys in

movement

not

movement

affect

data already entered.

for

listed.

the

following

keys.

keys move the cursor in the direction

the meaning

of

illustration

the

show

error and

the location

do

the recovery

of

the arrow on

of

the cursor

Keyboard

2-15

Right

Cursor

EJ

Movement

00
00
00

00

o 1

Key

on

0 0 0 0 0 0 0 0 0 0 0

[]][]

00000000000

[]]JCIIJ[[[]

[lRo

0000

[[]Jonooooooooool:::Jooo§
([]ooooOooooOOCDJOOooo

ODJI

ICIIlCIIlCOJ

Left

Cursor

EJ

The Right Cursor Movement key moves the
right. When the cursor reaches the
first position of the next line. When the cursor moves past the
last position
first position of the top

Movement

00
00
00
ooOOoOoOOoooooCDJOOOoo

10

The Left Cursor Movement
left. When the
moves
the cursor moves past the first position
left corner), the
line

Note:

three times faster,

key

cursor

end

of a

line,

on

the bottom

Key

0000000000000

[]][]o

00

00

00

line,

the cursor moves

line.

COJ[[[][[[]

oooo[]RO 000

0

[]JJonOoooooOoOol:::Jooo§

DDJI

cursor

up

one

line

to the rightmost position of the screen. When

cursor

(lower right corner).

To move the cursor to the left or right approximately

press

and

the Left

or

Right Cursor Movement

IcmCOJ[[[]

key

moves the cursor from right to

reaches the leftmost position of a

on

the top

moves to the last position

and

hold

down

an(E][)(UpperShifd

on

key.

from left to

it

moves to the

back

to the

line,

line

(upper

the bottom

it

2-16

Up

Cursor

Movement

Key

o 0 0 0 0 0

00

[]DODO

00

[]JJonoooooooOoo~ooo§

00

0 0 0 0 0 0 0

lIIJ[ill[[[]

oooOoooo[]JROoo

0

10000000000000CDJooooo

00

[OJ! 1000[OJCill

The Up Cursor Movement

When the
column

cursor

on

the bottom

is

on

key
the top
line.

moves the cursor

line,

it moves to the same vertical

up

one

line.

Down Cursor Movement Key

00

OOoooooooOOOOlJIlCIIJCIJJ

00

[0)0000000000

00

[DJ000000000000t::J000§

01

000000000000[0]00000

00

ODJI

O[]JRo 0 0 0 0

ICIIJCllCDJ

The Down Cursor Movement key moves the cursor
line.
same vertical column on the

Character Backspace Key

00

DEJ[)

00
00

00
00

The Character Backspace key moves the cursor back

previous position in which data

the last position) when the display screen is under format

control.

For example,

when the Character Backspace key is pressed, the cursor moves

back

Note:
function is different.
command and Clear command in this chapter
information.

down

When

the cursor is on the bottom line,

top

line.

it

moves

to

ooooooooooooo_ornCOJ

[JJo

000000000

[]JJOOOOoOOOOOOO~OOO§

[]OooOOOOOOOo[]OOOO

[ill

\ I [[]J(JOJCill

if

the cursor is in the

to

the last position

If

you press this key after pressing the Command key, the

O[]RO

of

the previous input field.

See the descriptions

0 0 0

could be entered (not necessarily

first

position

to

of

an

of

the Test Request

for

more

one

the

the

input field

Keyboard

2-17

Moving

Field Advance Key

Field Backspace Key

the

Cursor

to

the

Beginning

00

oooooOOOOoOOOCDJCDJ[[[J

of

a Field

or

New

Line

oo.ooOOOOOOOOO[]ROOOO
00

CDJoOOOOOOOOOOOt:JOOo§

00

[]OOoOoOOOOOo[OOOOOO

00

(]]]I

The Field Advance key moves the cursor forward (right)
to

the first character position

In fields specified as automatic enter, the auto enter function is
not performed when you move the cursor through that field
using the Field Advance key.

If

you press this key when the cursor is in the last field on the
screen, the cursor moves
the screen.

ICOJCDJCOJ

of

the next input field.

to

the first position

of

the first field on

[

JEll

00

oooOOOOOOOOOO(]]J_crn

00

[OOoOOOoOOOOOO[]ROoOO

00

CDJOOoOOoOOooOOt:JOOO§

00

[]OOOOOOoOOOo[OOOOOO

o 0

(]]]I

The Field Backspace key moves the cursor back (left)
character position
the first position
the preceding input field.

of

of

a field,

!(]]]CDJ[[JJ

the field

it

it

is in.

If

moves back

the cursor is already in

to

the first position

to

the first

of

2-18

New

Line

Key

EJ

00 ooooOoooooooo[[]JCDJOJJ
00

[]ooOooooooooDRoooO

00 [UJoOoOooooooooI::JOoo§
00

OOoooooooOoo[]looo

00

ern

I ICDJCDJIIJ]

The

New

Line

key

the first input

input

line,

the cursor moves to the first input position.

moves the

field of a new

cursor

line.

to the first input position of

If the cursor

is

on

the last

Keyboard

2-19

SHIFT, SPACEBAR,

Shift Keys

AND

00

IEID[EI)

00
00

00
00

SPECIAL

SYMBOL

KEYS

oooooOooooooOODJODJOOJ
[]J[]oooooooooooORooOO
[]]J000000000000l::J000§
.00000000000.0000

[OJ

1

I[JJJODJCDJ

Shift Lock Key

When you press and hold

• The alphabetic characters (A through
uppercase letters.

•

The special characters identified on the tops

symbol keys can be entered.

and

• The function control keys perform the function shown on the
top

half

of

the key.

• The command function keys perform the function shown on

top

row

of

the
through 24, and

00

oooOooOOOOOOODDDODJCDJ

00

[]J[]o

00
00

00

When you press the Shift Lock key:

0 0

_ooOOoOoOOOOOl::JOOO§
[J]OOOOoOoOOOo[]J[]OOOO

[OJ

1

the keyboard template (Display Mode, 13

Clear).

00000000

an

Uppershift key:

ORO

0 0 0

IODJODJODJ

Z)

are entered

.

as

of

the numeric

• The keyboard locks

• The alphabetic characters (A through

•

• The function control keys perform the function shown on the

• The command function keys perform the function shown on

To return the keyboard
the Uppershift keys.

2-20

in

uppershift.

Z)

are entered

uppercase letters.

The special characters identified on the tops
and

symbol keys can be entered.

top

half

of

the key.

row

of

the bottom
Test Request).

the keyboard template

to

lowershift, press and release either

(1

as

of

the numeric

through 12 and

of

Spacebar

00

ooooOOoOOOOOOlIIlornOITl

00

[])ooOoooOoOoo[]RooOO

00

crnooOoDOooOoOol::::Jooo§

00

IOJOOOOOOOOOOO[])OOOO .

00

[]]J

. [DJ[DJDDD

The Spacebar moves the cursor
time. Unlike the cursor movement keys, the Spacebar destroys
all data in the positions where
time

you press the Spacebar.

Special

Symbol

Some symbols and punctuation marks are on the upper half
keys (on the
special symbols on both upper and lower positions.

symbol, press the

lE1D

Keys

top

row). Other symbols and punctuation marks are on keys

CJEJ[J

(Uppershift) key and the desired key.

(Shift Lock) key

to

it

is used. A blank is entered each

or

the right one position at a

of

the numeric

To

display the upper

press and hold

an

with

Keyboard

2-21

2-22

Chapter

If

a keying error occurs while you are entering information:

3.

Error Codes and Recovery Procedures I

• The cursor blinks (marking the location

• The display station ignores any additional data entered from the keyboard

• The display station alarm sounds each time you press a key

• A

four-

or

six-digit

You should find the
the recovery procedure.

Note:

The following system error codes are communications

errors and must be corrected at the remote

0040

through

0080

through 0087
10xxxx through 1 Fxxxx
DOxxxx through DFxxxx
EOxxxx
FOxxxx

through FFxxxx

error code is displayed.

four-

or

six-digit

0054

of

the error)

error code in this chapter and attempt

or

controller type

work

station controller:

HELP KEY FUNCTION

A Help key function is provided on some systems
an

error code is displayed after you sign on

A message

reading the message, press the Error Reset key. You should correct your error

and then continue entering data

will

be displayed describing the error condition.

to

your display station.

to

aid in error recovery.

to

the system, press the Help key.

After

If

you finish

ADDITIONAL

Additional error information can be found in the system messages manual.
you are

Procedures

GX21-9410
GX21-9501.

INFORMATION

not

able

to

recover

in Chapter 4

for

the Model 1

from

of

this manual

or

the IBM 5291 Model 2 Keyboard Template,

an

error, refer

to

the Problem Determination

or

to

the IBM 5291 Keyboard Template,

Error Codes and Recovery Procedures 3-1

If

ERROR CODES

The error codes, their meanings, and

Error

Code

0000

Meaning

You have pressed the Help key; however, either no error code was
displayed

or

the error

was

support the Help key.

To

recover, press the Error Reset key. Then continue entering

or

refer

to

information

displayed and

0001 The

up
characters you entered

To

do

host

system

with

the

rate at which you entered information and the last

recover, press the Error Reset key and continue entering

the meaning

the

recovery procedure listed.

or

a remote

were

information.

0002

The system
that

is

not

or

a remote

valid and therefore does

pressed.

To recover, press the Error Reset key and try

If

the

data.

error cannot be reset

5291 service representative and report the problem.

the

recovery procedures are

issued by a program that does

for

the previous error code

work

station controller could

not

recognized.

work

station controller received a key code

not

recognize which key you

to

continue entering

or

still occurs, contact the IBM

as

follows:

not

not

keep

0003 You have pressed the Cmd key,

not

one

of

the

command function keys.

To recover, press the Error Reset key and continue by using the
correct keys.

0004

You have attempted

to

enter data into a field

input. This field is defined

as

an

To recover, press the Error Reset key.

0005

You have attempted

to

enter data; however, the cursor is
input field. Data cannot be entered in a protected area
display.

To recover, press the Error Reset key and move the cursor
valid input field.

0006

After

pressing the Sys

Enter /

Rec

is

not

valid.

Req/

Attn

Adv

key or the Error Reset key, you pressed a key

To recover, press the Error Reset key and use a valid key sequence.

but

the next key you pressed

that

does

I/O

feature field.

key and prior

to

pressing the

not

of

allow

not

the

to

was

in

an

a

that

3-2

0007 There is at least one mandatory. enter field on the display that you

must

enter data into before the display can be changed
(The cursor goes
mandatory entry

to

the

first

character position

field requiring data.)

of

or

the first

moved.

To recover, press the Error Reset key and enter the required data.

0008

0009

0010

The field you are
alphabetic

Valid characters are A through

now

trying

to

enter data into will take only

data and you have pressed a nonalphabetic key.

Z,

blank, comma, period, and

hyphen.

To recover, press the Error Reset key and continue by using
characters.

The field you are

now

trying

to

enter data into will take only

numeric data and you have pressed a nonnumeric key.

Valid characters are 0 through

9,

blank, comma, period, plus, and

minus.

by

To recover, press the Error Reset key and continue

using valid

characters.

The field you are

now

trying

to

enter data into will take only signed

numeric data and you have pressed some other key.

Valid characters are 0 through 9.

To

recover, press the Error Reset key and continue by using valid

characters.

valid

0011 You have attempted

numeric

field.

To recover, press the Error Reset key. Make sure
correct and exit the
key.

0012

There is no room
more room in the

to

field

field.

Do

not

use insert mode

character into this field.

To

recover, press the Error Reset key. Then, correct the field,

necessary, and continue.

0013

You attempted

to

leave a field

the insert mode.

To

recover, press the Error Reset ki!Y and exit the field normally.

to

enter data into the last position

field by using the Field

-,

Field +, or Field Exit

that

of

a signed

the data is

insert data into this field. Either there is no

or

the cursor is in

to

change data

while

the

last position

or

to

enter the last

of

the

the display station was still in

Error Codes and Recovery Procedures

if

3-3

0014

You have pressed a function key
this field; however,
have

not

been met. A mandatory fill field must be completely filled

or

left

blank.

the

requirements

that

would

move

of

this mandatory fill field

the cursor

out

of

0015

0016

0017

To recover, press the Error Reset key. Then enter data

field

or

entire
the

Field

move the cursor

-,

Field +,

or

Field Exit key

You have entered data into a
just

entered and the check

To

recover, press the Error Reset key. Check

correctly entered the number and check digit.

correctly, check

them

If

the

numbers you are using are valid

that

contact your service "representative and report the

You have pressed the Field - key,

field

or

signed numeric

To

recover, press the Error Reset key. You can

enter data

or

press the Field Exit key

(for some systems) a numeric only field.

You have pressed the Field
the

requirements
mandatory fill
the

first

position

To

recover, press the Error Reset key. Then enter data

of

the field

Field

-,

Field +,

for

this mandatory fill field have not been met. A

field

must

of

the field.

or

move the cursor

or

Field Exit key

to

the start

self-check

digit

do

not

the number is valid

of

the field and then use

to

blank all

of

the field.

field and the number you

compare.

that

you have

If

you have entered

for a self-check

but

this error still occurs,

problem.

but

the field you are in is not a

now

continue

to

leave the field.

-,

Field +,

or

Field Exit key; however,

be completely filled unless you exit

to

the start

to

blank all

of

the field and use the

of

the field.

to

to

fill the

field.

to

it

from

the end

3-4

0018

0019

You

must

use a nondata key such as the Field Exit key

movement

fo

recover, press the Error Reset key. Then use a nondata key

key,

to

leave this field.

leave this field.

You have pressed the Dup key; however, the Dup key is
permitted in this field.

To

recover, press the Error Reset key and continue

the

Dup key in this field.

without

or

a cursor

not

to

using

0020

You have pressed a key
either a

right-adjust
field before pressing the
Character Backspace key, Enter /

that

is

not

allowed in this field. This is

or

a signed numeric field and you must exit the

following

keys: command function keys,

Rec

Adv

key, Print key, Help key,

Roll keys, Clear key, and the Home key (when the cursor is in the

home position).

To

recover, press the Error Reset key. The cursor is in the same

it

was

position
pressing the

when you pressed the invalid key. Continue by

Field +, Field

-,

or

Field Exit key.

0021 The cursor is positioned in a mandatory enter

it

before you can exit the field by pressing the Field

or Field Exit key.

of

an

insert or delete operation.

if

the insert

or

delete function

but

or

was

the

first

key pressed was not a

9;

or

the second key pressed

0 through 9.

0022

0023

data entered in

+, Field

To

-,

recover, press the Error Reset key and enter the required data.

A system error has occurred. The status
known. This error can occur during

To

recover, press the Error Reset key. Check the display screen

determine

not

completed properly, correct the field.

You are in hexadecimal mode
character A through F or 4 through
was

not

a character A through F

This error

numeric

also occurs when a hexadecimal code is used in a

only, signed numeric, alpha only, or

To recover, press the Error Reset key. Continue by using the
correct keys.

0026

You pressed the Field - key

position

of

the field was

not

to

exit a numeric only field but the last

a character 0 through 9.

field that must have

the present field is not

to

completed properly.

I/O

field.

If

0027 You pressed a key

0028

0029

To recover, press the Error Reset key.
the

field or exit the field

To

recover, press the Error Reset key and continue by using valid

that

by

using the Field +

is

not

used

Correct the last position

or

Field Exit key.

by

this display station.

keys.

You pressed a key

To

recover, press the Error Reset key and continue by using valid

that

is not used by this display station.

keys.

The second key pressed during a diacritic key function did not

result in a valid combination.

To recover, press the Error Reset key and enter a

valid combination.

Error Codes and Recovery Procedures

of

3-5

0040
through
0054

0080
through
0087

Communications type errors.

to

your

Recovery - Refer

remote

operator's guide.

to

your

Recovery - Refer

remote

operator's guide.

work

station controller

work

station controller

0097

0099

Online verification tests are
have

the

programming

To

recover, press the Error Reset key. Then continue

display station

To

recover, determine

after

sign-on)

without

and then refer

not

to

support

performing

when

the

to

possible. The

host

system does

these tests.

the

verification tests.

error occurred (before, during,

the

following

for

the meaning and

recovery procedure:

Error Occurred Before

The

function

To

recover, press the Error Reset key. Then use the correct
procedure
key

if

key you pressed is

to

sign on. (On some systems, press the Sys

the

sign-on

Sign-On

screen is

not

not

displayed.)

valid at this time.

Error Occurred During Sign-On

Either

the

host

controller is

system is

not

communicating

not

operating

with

the

or

host

the remote

system.

to

use

Req/

work

not

the

or

Attn

station

To

recover, press the Error Reset key. Then use the correct
procedure
operator and ensure

If

the
contact
controller is communicating

3-6

to

sign-on.

If

that

the

error persists, contact

the

host

display station is attached

that

operator and ensure

with

system is operating.

to

a remote

that

the

the

host

work

remote

system.

work

the

host system

station controller,

station

Error Occurred

The

program

If

the

display

this

error

remote

To

recover, press

type

of

a

system

occur

again and
station
communications
station
the

host

the

system.

or

station is attached

can be caused

work

station

job

or

programming

controller,

is

not

attached

system

After

Sign-On

utility

did

controller

the

Error Reset key, then

procedure.

the

display

contact

with

the

to a remote

operator

not

recognize the key you pressed.

to

by

a loss

If

the

problem

station

that

host

to

determine

a remote

of

communication

and

the

error

does

or

a keying error.

is attached

operator

system

work

work

host

system.

try

not

to

determine

have been lost.

station controller,

if

there is a

station

between

to

do a different

occur

again, there is

If

the

error

to

a remote

if

If

problem

controller,

the

does

work

the

display

contact

with

10xxxx

through

1 Fxxxx

DOxxxx

through

DFxxxx

EOxxxx

FOxxxx

through

FFxxxx

additional error

For
operator.

If

you

are

not

able

code

to

recover

information,

Determination Procedures in
5291

Keyboard Template,

5291

Model 2 Keyboard Template,

Recovery - Refer

operator's

Recovery - Refer

operator's

Recovery - Refer

operator's

Recovery - Refer
operator's

guide.

guide.

guide.

guide.

to

to

to

to

your

your

your

your

from

an error, refer

Chapter 4 of

GX21-9410

GX21-9501.

remote

remote

remote

remote

work

work

work

work

contact

for

the

host

to

this

manual

the

Model 1 or

station controller

station controller

station controller

station controller

system

the

or

to

Problem

the

IBM

the

IBM

Error Codes and Recovery Procedures

3-7

Chapter

4.

Problem

Determina~ion

Procedures

SAFETY
odors coming
Off, disconnect

This chapter can help you solve a problem

see

the corrective actions. (The symptoms are

service representative should be called

Examine all six symptoms before calling your service representative .

..

CORRECTIVE

Find

II

PRECAUTION:

from

the

if

any

of

the

following

SYMPTOM:

r;:=---

,

..

_------

,

I

ACTION:

the

error code in Chapter 3

SYMPTOM:

If

you detect smoke, excessive heat,

your display station, immediately set the Power switch

power

cord, and call a service representative.

with

your display station. Check

six symptoms describe your problem, and

numbered"

if

you cannot correct the problem.

---=

A

four-digit
displayed.
the

lower

of

this manual and take the corrective action.

system

(This error code is displayed in

left

corner

error

of

or

through

code

the display.)

r;==-

Error

,

Status Line

bottom
sound.

information

(status)

is

line

displayed

and

the

unusual

attempt

II.)

is

on

alarm

to

to

Your

the

may

[l

\;:"LL~l

CORRECTIVE

Modell

Make sure

Symptom

Model 2

Make sure
Symptom

to

Turn

the next page.

ACTION:

the

CSR

switch

6 later in

the

6 later in this chapter.)

this

Test/Normal

is set

chapter.)

switch is set

to

N (Normal). (See the illustration under

to

Normal. (See the illustration under

Problem Determination Procedures

4-1

CORRECTIVE

The

following
line. Try
symbol
have, refer
the Model 1
template can be held up
what

(0,

types

ACTION:

illustration shows the position

to

determine the type

0,

G,

a,

to

the IBM 5291 Display Station Keyboard Template,

or

the IBM 5291 Model 2 Keyboard Template,

of

error information are displayed.)

of

error information on the status

of

information you have and

or

G).

(If you cannot determine

to

the screen and used as a

Engineering
(See

G.)

go

the

type

GX21-9501.

gui~e

in determining

Code

Field

to

the correct

of

error you

GX21-9410

The

Stuck Key Field

(See

a.)

for

-------------~--.-~

PNXXXXXXXECXXXXXX

o 00-05:

06-99:

cables.
setting on
(Refer
the Model 1 or the IBM 5291 Model 2 Display Station Setup Procedure,
GA21-9802.)
the Power switch

On.

o 0-6:

Normal
Verify

Contact your system operator and check the Terminator switch

to

Address

match

the address

for

your display station address and reset the Address switches on your

display station

Display Station
5291 Model

resetting the Address switches, set the Power switch

10

seconds, then set the Power

7:

Invalid

ask

for

assistance in resetting the Address switches on your display
station. (Refer
GA21-9408

Setup Procedure,

the Power

On.

operation.

Terminator

your

display station and all other

the IBM 5291 Display Station Setup Procedure,

Also check

to

s'Nitch

of

if

these numbers

Setup Procedure,

2 Display Station Setup Procedure,

Address

to

the IBM 5291 Disr-ay Station Setup Procedure,

for

the

GA21-9802.)

switch

to

Ignore this position.

switch

that

Off,

wait

setting.

your display station. Contact your system operator

switch

Model 1

Off,

wait

setting

all

work

10

seconds, then set the Power switch

Normal operatipn. This number should

do

GA21-9408

switch

setting.

or

the IBM 5291 Model 2 Display Station

After

10

seconds, then set the Power switch

and

check

work

work

stations on your cable.

station cables are tight. Then set

not

match. (Refer

for

the Model 1

GA21-9802.)

to

to

On.

Contact your system operator and

resetting the Address switches, set

GA21-9408

to

the IBM 5291

Off,

.1

station

or

the IBM
After
wait

for

to

to

4-2

e

EO-E6:

then set the Power switch
error

E7:

E7

position

resetting the Address switches on your display station. (Refer

5291

IBM 5291 Model 2 Display Station Setup Procedure,

resetting the Address switches, set the Power switch
seconds, then set the Power switch

e

1:
objects
service representative

Machine

to

your service representative.

If

you have a 0, 1, 2, 3, 4, 5,

error

to

0,

Display Station Setup Procedure,

Stuck

that

error.

Set the Power switch

to

On.

your service representative.

contact your system operator and ask

key.

Examine the display station keyboard and remove any

may be holding a key down. Report a

if

this problem persists.

to

If

the problem persists, report this

or

6 displayed in position

If

you have a 7 displayed in

GA21-9408

to

On.

Off,

wait

for

assistance in

for

the

GA21-9802.)

to

Off,

stuck

10 seconds,

0,

report the

to

the

Modell

After

wait

10

key

to

your

or

IBM

the

G 00-31:

KU,

Modell

Set the Power switch

On.

Model 2

Set the Power switch

fastened securely

problem persists, report this error

Normal

lU,

If

the problem persists, report this error

lV,

operation.

lW,

or

to

Ignore this position.

any

other

letters:

to

Off,

wait

to

Off, make sure

the

lower

unit, then set the Power switch

10

seconds, then set the Power switch

to

your service representative.

that

the keyboard connector is

to

to

your service representative.

On.

If

to

the

Problem Determination Procedures

4-3

•

SYMPTOM:

"'-------

/

The

/

display
indicators can be seen and the cursor is
missing.)

screen

is

blank.

(No status

BLANK

CORRECTIVE ACTIONS:

1.

Adjust the Brightness control.

2.

Adjust the Contrast control (Model 2 only)

Set the Power switch

3.

4. Make sure

5.

Make sure

the rear

6. Make sure
socket on the rear
clockwise until tight.)

Model 1

SCREEN

to

Off.

that

you have power at the wall outlet.

that

the display station power cord is securely plugged into

of

the display station and securely plugged into the wall outlet.

that

the cable from the display unit is tightly fastened in its

of

the lower unit. (The thumbscrews should be turned

Model 2

4-4

7. Set the Power switch

to

8. Model 1

If

the screen is still blank, call your service representative and report a

blank screen. Also report whether

2

Model

If

the screen is still blank, call your service representative and report a
blank screen. Also report whether
Power-on

light is on.

On

and listen

for

the alarm.

or

not

you heard the alarm.

or

not

you heard the alarm and

if

the

Problem Determination Procedures

4-5

II

SYMPTOM:

The

)-

Cursor""'-

\j

-"""""""I

")J

.~

I

I

1

I

i

the

cursor

display

is

in

the

screen.

upper

CORRECTIVE ACTIONS:

1.

Contact your system operator and make sure the system is operating
correctly.

right

corner

of

2. Make sure
the

system is securely fastened and is

3.

Make sure

the

proper address. Ask your system operator

the

IBM

1

or

GA21-9802.)

4. Make sure
Terminator switches on

properly.

5.

Call your service representative
your

that

the

that

the Address switches on your display station are set

5291 Display Station Setup Procedure,

the

IBM

5291 Model 2 Display Station Setup Procedure,

that

the Terminator switch on

Ask

your system operator

display

station

work

station cable between your display station and

not

physically damaged.

for

assistance. (Refer

GA21-9408

your

display station, and the

all other display stations on your cable, are set

for

assistance.

if

the problem persists and report

is

not

communicating

with

the

for

system.

to

to

the Model

that

4-6

..

SYMPTOM:

The

keyboard

is

not

working.

(When you
press keys, no data appears on the
screen.)

display

CORRECTIVE

1.

Model 1

Set the Power switch

to

Model

Set the Power switch
fastened

Display

to

2.

Models 1 and 2

Test the keyboard
blank, call

ACTIONS:

to

Off,

wait

10 seconds, then set the Power switch

On.

2

to

Off, make sure the keyboard connector is

securely

Station Setup Procedure, GA21-9802), then set the Power switch

On.

your

to

the

lower

by

pressing a

unit ( refer

few

to

the

data keys.

IBM

If

service representative and report a

5291 Model 2

the screen remains
keyboard

characters are displayed on the screen, contact your system operator and

if

the system is operating correctly.

ask

problem.

If

Problem Determination Procedures

4-7

II

SYMPTOM:

You still have a problem. (Your display station is

and you have none

of

the previous five symptoms.)

not

operating as expected

CORRECTIVE ACTIONS:

1.

Contact your system operator and make sure that the system is operating
correctly.

2.

Make sure

the system is

3.

Make sure
the proper address.
the IBM 5291 Display Station Setup Procedure, GA21:-9408.)

4.

Model 1

Make sure
to

N (Normal).

that

the

work

station cable between your display station and

securely fastened and is

that

the Address switches on your display station are set

Ask

your system operator

that

the

CSR

switch on the back

not

physically damaged.

for

assistance. (Refer

of

your display station is set

to

to

4-8

2

Model

Make sure the

5.

Call your service representative

Test/Normal

switch is set

if

you still have a problem.

to

Normal.

Chapter

5.

Running

the

Verification Tests

The verification tests check

Throughout these tests, you are required
you make a selection error, the tests will
selection error, you can:

• Backspace and enter the correct selection over the incorrect one (if you have
not

yet

pressed

• Press the C and Enter / Rec
Option Menu, where you can make another

Do the

1.

2.

3. Press the Test Request (Character Backspace) key.

The

Note:
host system.

following

If

necessary, start communications

When

following

The exact

the

to

run

the

sign-on

Prime Option Menu is displayed.

format

out

the functions

Enter /

Rec

Adv

Adv

keys. This will return you

the

verification tests:

screen is displayed, press the Cmd key.

of

the display screens

of

work

to

make selections

not

proceed. To recover

key).

selection.

with

the host system.

might

stations.

vary

from

from

a menu.

from

to

the Prime

host system

If

a

to

PRIME

C

END

1

DISPLAY

2

WORK

USE

THE

OPTION

MENU

VERIFICATION

STATION

PRINTER

FOLLOWING

VERIFICATION

LINES

TO

VERIFY

SELECT

OPTION

3

CONFIGURATION

4

ERAP

CORRECT

OPERATION

DATA

OF

KEYBOARD

DISPLAY

AS

DATA

KEYS

Running the Verification Tests

5-1

4. Select desired option:

C

END-This

option returns you

to

the Prime Option Menu.

DISPLAY VERIFICATION-This
various character display capabilities; a
function keys.

2

WORK

STATION PRINTER VERIFICATION-This option checks

printer. A printed report

3 CONFIGURATION

including addresses, on system devices.

ERAP-

This option displays

host

system

the

Enter/Rec

for

the attached

5.

4

Press

Follow the instructions and

Note:

See

the

appropriate

requirements and meaning

option

shows

DATA-This

print patterns

option displays descriptive information,

or

prints the errors

work

Adv

key.

prompts

work

station Operator's Guide

of

error codes.

provided

provides

test

stations.

test

patterns

that

show

is also performed on the

out

for

analysis.

that

are stored in the

with

each option.

for

operational

a

5-2

Glossary

address
work
switches

allocate:
diskette

automatic
specify
the

host
key).

blank

occupies a position on the display screen.

buffer:
accepts information
rate.

character
which

command:
perform an operation.

command
of
Cmd key
user programs.

configuration:
machines

controller:

used
more attached
operation

cursor:
appear
cursor indicates where the next character entered
the

diacritic:
value
that

switches:

station

field, the information is automatically entered in the

system

the display station keyboard

to

keyboard will appear.

character.

that

are set

To

file)

to

enter

that

after the operator has entered information in

(without

character:

A temporary storage unit, especially one

location:

one character can be displayed.

An

function

to

request functions

forming

A remote

coordinate and control operations

with

A movable marker on the screen

as

an underscore or

A modifying mark

of

a character when entered in combination

Switches on the access panel

has Cable Thru capability. These

to

the assigned

assign a resource (such as a disk file

perform a specific task.

field: A format

the operator pressing the Enter

A character

at

one rate and delivers

A location on the display screen at

instruction

keys:

The arrangement

a computer system.

work

work

stations and

that

of

the system.

work

station address.

control

that

that

directs the system

The

14

that

of

program products and

of

station controller is a device

to

as

a rectangular block. The

that

changes

that

is used

does

not

display

it

at another

keys in

the

top

are used

interconnected

synchronize their

of

that

the

with

one or

may

phonetic

of

or

that

to

row

the

from

with

a

a

to

but

display:
display tube, used

display

display
display unit and

display
keyboard

display
printers

field:
screen set up

field

exiting

For
except a character key can be pressed
field exit required field.

format

host system provides

that

information

Display Station, the

alphameric

field

monocase, numeric only, right adjust, and signed

numeric.

formatted

established

free

entering

(unformatted).

function

delete,

home

field.

An

electronic vacuum tube, similar

to

display characters.

field:

See field.

station:

station

to

system:
that

One

exit

from

example:

control:

can be entered and the appearance

exit required, mandatory entry, mandatory fill,

key

mode:

of

control

or

position:

An

input/output

an

attached keyboard.

operator:

perform operations at a display station.

A family

are attached

or

more consecutive positions on the display
for

a specific type

required:

the field unless a certain key is pressed.

for

the 5251 Display Station, any key

The field edit and controls

for

a formatted display. For

entry, auto enter, bypass, duplicate enable,

display:

for

specific information.

An operating mode

data

without

keys:

move data, and

The first input position

A person

of

to

A format control used

to

control the type

format

A display screen

control by a system program

Keys

to

device containing a

who

display stations and

a system.

of

data.

controls are alpha only,

that

are used

position the cursor.

to

of

of

the

with

that

of

to a TV

uses the

to

prohibit

exit

from

that
characters

the

5291

fields

allows the

to

the

insert,

the

first

a

input

Glossary G-1

host

system:

a data communications configuration.

image:
display screen.

input

field:
enters data.
can be preceded by a prompt.

keyboard
the

system, used

certain condition.

·mandatory
specify

the

field.

mandatory
that

if

one character is entered in the field, the entire

field

must

null:

A blank

'00'

occupying character positions in

numeric
only the numeric characters, comma, hyphen, period,
plus, and blank can be entered in the field.

The controlling

The characters

An

area on

Input fields are blank on the display and

buzzer: A short buzzing sound, controlled

to

remind

enter

field: A format

that

at least one character

fill

field: A format

be filled.

that

is displayed as the result

only: A format

or

highest level system in

or

attributes displayed on a

the

display in

or

warn

control used

which

the operator

control used
must

be entered in

control used

the

buffer.

to

specify

an operator

to

of

of

to

specify

hex

that

a

by

signed
that
sign

system:

necessary

have numerous

system
between the system and the

system
station) designed
and
functioning as

system
that
certain system functions, and
system operation.

typematic
function

unformatted

unit:

the

numeric

the

units position

(usually, blank

The main computer and the programming

cable:

console:

control and monitor system operation, in addition

operator:

is designated

when

One

5291 (display unit, lower unit, and keyboard unit).

field: A format

of

the field is reserved

for

positive and minus

to

execute customer jobs. The system can

display stations

A cable

an

keys:

pressed and held down.

display:

of

the three f!lajor assemblies

that

An

I/O

to

actuate certain system functions,

I/O

device.

A person

as

the system console,

Keyboard keys

See free key

control used

for

or

printers attached.

carries commands and data

display stations

device (such

who

control and monitor

as

a display

uses a display station

to

that

repeat their

mode.

that

to

specify

for

the

negative).

or

printers.

activate

make up

to

power
supplying electrical

printer:

program:
specific
program is stored in
the

right-adjust
a
the
in the rightmost position

self-check

that

For
digit, which is compared
computed
mistake when entering the data in the
an error message is displayed.

cord:

A cord

A device

A computer program

job;

for

display station using

field:

field,

or

the shifting

last significant byte

field:

consists

example: An operator enters data and a

by

of

the

that

plugs into a wall outlet

power.

that

provides printed output.

written

example, order entry or payroll. The

the

system and can be accessed by
the

Cmd key procedure.

Pertains

A field (such as an account number)

a base number and a

system.

to

the

of

the contents

at

the

end

of

the

to

the

If

the

placement

of

field.

self-check

operator made a

to

perform a

of

data in

of

a field, so

the data is placed

self-check

digit

self-check

that

digit.

self-check

field,

G-2

Index

OED
OED

o

OEJD

(

IE]

EJEl

EJ

~

DEJD

OED

address switches
adjusting

attention function

]

A

1-6

alarm

1-8
brightness
contrast 1 - 7
slope
viewing angle

of

B

of

keyboard

display screen

of

2-17

2-5

2-4

2-18

2-18

2-16

2-19

2-20

2-20

2-4

4-2

1-10

display screen 1

2-6

1-6

-12

c

character backspace key
cleaning
clear key
column separator field
command function keys
command key
contrast control 1 - 7
control, Alarm
control, Brightness
control, contrast 1 - 7
controls

cursor

1-3

2-5

1-1,2-2

1-8

alarm

1-8
brightness
contrast 1 - 7

block
location

movement keys
underline 1

1-6

1-17

1-16

-17

1-6

2-15

o

delete key
display formatting 1
display highlighting
display mode key
display screen

adjusting brightness
adjusting contrast 1-7
adjusting viewing
formatting
highlighting 1
indicators
size

status line
display status indicators
display unit
display unit, rotating
duplicate key

enter record advance key
emse input key
error codes
error reset key

1-13

E

2-7

1-1,

3-1

-18
1-18

2-4

1-13

angle

1-18

-18

1-14

1-14

1-2

1-9

2-12

2-9

2-11

2-17

1-18

1-1,

1-6

1-14

1-21

1-12

2-12

blink field
brightness control

1-18

1-6

Index

X-1

F

field - key
field + key
field advance key
field backspace key
field exit key
formatting, display
function control keys

2-14

2-14

2-18

2-18

2-13

1-18

1-1,2-1

G

general information
glossary G-1

H

help key
help key function
high intensity field
highlighting

highlighting, display
home key
host system 1

indicators

input inhibited indicator 1
insert key
insert mode indicator 1

2-10

blink

1-18

column separator

high intensity
nondisplay 1
reverse image 1
underscore

2-9

input inhibited
insert mode 1
keyboard shift
message waiting 1
system available

2-8

1-1

3-1

1-18

1-18

1-18

-18

-18

1-18

1-18

-3

1-15

-15
1-15

-14

1-14

-15

-15

keys

attention
character backspace
clear
Cmd
command
command function
cursor movement
delete

display mode
down
duplicate
enter / record advance
erase input
error reset 2 -11
field ­field +
field advance
field backspace
field exit
function control
help
home
horizontal movement
insert
left cursor movement
new
print

reverse display image
right cursor movement

2-6

2-5
2-2

2-2

2-7

cursor movement

2-10

line

2-10

2-4

2-12

2-9

2-14
2-14

2-18

2-13

2-9

2-8

2-19

roll 2-11

2-20

shift
shift lock
spacebar 2-21
special symbol 2-21
system request/attention
test request
typematic 1 - 20
up cursor movement
vertical movement

2-20

2-4

l

lower unit

1-1, 1-2

2-17

1-21

2-15

2-17

2-12

2-18

2-1

2-16

2-16

2-4

2-16

2-6

2-16

2-16

K

keyboard

- adjustment knobs
description

keys

2-1
slope adjustment 1
template

keyboard shift indicator
keyboard template

keyboard unit 1

X-2

1-21,2-2

1-1,

1-19

1-21,2-2

-1, 1-2

1-10

-10

1-15

M

message waiting indicator

1-14

N

new

line key

nondisplay field

p

2-19

1-18

v

verification
vertical movement keys

test

5-1

2-16,

2-17

power switch 1
print key
problem determination procedures

-4

2-10

R

recovery procedures
reverse image
reverse image field
roll keys
rotating display unit

2-11

1-18,

3-1

2-4

1-18,

1-9

2-4

s

shift keys
shift lock key
spacebar key
special symbol keys
status indicators 1
status line
switches

address

Power

terminator
system available indicator
system
system request function
system, host

2-20

2-20

2-21

2-21

-14

1-14

4-2

1-4

4-2

request/attention

1-3

key

2-6

1-14

2-6

4-1

10-key

numeric cluster

5291

display unit
keyboard unit
lower unit 1

1-1

1-1

1-1

-1

T

template, keyboard
terminator switch
test

request key
tests, verification
typematic keys 1 - 20

4-2

2-4

5-1

u

underscore field 1

-18

1-21,

2-2

Index

X-3

X-4

IBM

5291 Models 1 and 2

Display

Station

Operator's Guide

GA21-9409-2

Please
requests
so on,

to

READER'S

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BUSINESS

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