Micro-Term ACT-SA Operating Manual

OPERATING

MANUAL

model

ACT

-SA

SMOOTH SCROLL

miCRO-TERm,

Inc.

S1.

LOUIS,

MISSOURI

63144

OPERATING

MANUAL

MODEL:

SMOOTH

REVISION

ACT

-SA

SCROLL

A,

1-81

SER. # 80340881 and Above

MTI PART *

1-79820013-0A

COPYRIGHT

MICRO-TERM, INC.

1981

ACT-SA SMOOTH SCROLL

ACT·SA COMPUTER

MICRO·TERM, INC.

TABLE OF CONTENTS

TERMINAL

tsy

SECTION

1

1.1

2

2.1

2.2

2.3

3

3.1

3.2

3.2.1

3.2.2

3.2.3

3.2.4

3.2.5

3.2.6

3.2.7

3.3

4

Installation

Using the ACT-5A Operating Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes
Transparancy

Local Self Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Keyboard

Encoded &
Function

Li

ne/Local Key
Cursor Control Keys
Break Key
Function

Toggle Video
Send Key
Print Key

Numeric

Response To Control Codes

Absolute
Background
Backspace
Bell
Carriage Return
Change
Clear Unprotected
Cursor Down
Cursor Right
Cursor

Cursor Up

Delete Character
Delete Line
Display Control Codes

Enable (Disable)
Enable (Disable) Scroll
EnterGraphics
Erase To End
Erase To End
Escape
Exit Graphics Mode
Foreground
Format Mode

Home
Home
Home

Insert Characters

---Insert
Line Feed
Null
Pass Through Printer On (Off)

Print Line
Print Page
Report Character At Cursor

and

Introduction

On Protected Fields. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mode.

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

Modifier

Keys

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

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

Keys

Attribute

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

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

Entry

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

Cursor

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

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

Intensity

Off

(On)

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

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

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

Up

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

& Clear

& Clear To (Un)Protected

Line

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

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

...

' "

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

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

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

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

Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

Postitioning

Follows

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

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

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

.........

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

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

Keyclick

Mode

Of

Frame

Of

Line

Follows

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

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

........

to

the ACT-5A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Keys -Underline, Reduced Intensity, Blink and Reverse Video

,

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

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

(Direct Cursor Addressing)

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

,

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

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

'.'

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

:

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

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

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

... ' ...............................................

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

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

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

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

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

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

"

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

,

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

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

Position

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

,

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

,

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

,

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

,

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

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

,

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

,

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

,

........

PAGE

..

7

..

7

..

8

..

8

..

8

..

8

9

..

9

10
10
10
10
11

...

11
11
12

12
13

,

..

13
13
13
13
13
14
14
14

14
14
14
14

15
15

15
15
15
15
16
16
16
17
17

17
17
17
17

" .

18
18
18
18
19
19
19

(continued)

Report Cursor

Position

Report Present Video

Reverse Line Feed
Reverse Tab
Rubout
Set

End
Set Send
Set Video
Smooth
Split

Screen Mode

Start (End)

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

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

of

Block

Character

Data Type

Attributes

Scroll (Li ne Feed)

Blinking
Start (End) Reverse Video Field
Start (End) Underlined Field

Tab

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

Underline Current

5

5.1

Interface

EIA

Connector

Instructions

Pin

Assignments

5.2 Current Loop Interface

5.3 Full and

5.3.1

5.3.2

Full Duplex Operation
Half

5.4 Data Rate

5.4.1

5.4.2

Selecting
Selecting

5.5 UART

5.6

5.6.1

Printer

Buffered

Half

Duplex Operation

Duplex

With

Selection

the

I/O

Data Rate

Modem

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

the Printer Data Rate

Options

Port

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

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

Printer Mode

5.6.2 Pass-Through Printer
6 User Selectable

6.1

6.2

SinglelDouble
Blink

Rates

6.3 Protected Video

6.4 Keyboard

6.5
7

7.1

7.2

7.3

Display

Appendix

Function
Absolute
Character

Null

7.4 ASCII Codes
8 Warranty and
9

10

Custom
Suggestion

Modifications

Options

Underline

ForCursorand

Attribute

Auto

Repeat Rate

Character

Summary
Cursor

Sets

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

Addressing

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

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

Service

Information

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

Sheet

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

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

Attributes

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

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

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

Unprotected

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

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

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

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

Field

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

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

Character

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

..... , ....................................

,

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

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

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

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

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

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

Control

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

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

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

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

Operation

..... , ..................

,

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

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

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

Blinking

Field

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

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

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

On/Off

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

Table

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

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

,

...........

,

...........

19
19

19
20
20
20
20
20
21
21
21
21
22

22

22
23
23
23
23

24
24

24
24
24

24
25

25

25
26
26
26

26

27

27

28

29

30

32

33

33

34

6

1.0 INSTALLATION AND INTRODUCTION

1.1

The ACT-5A should
of

at least 3 inches
switch
behind the terminal and impede ventilation. The
power source.

The ACT-5A power

monitor
will
appeal in the home position
the cursor

Depress the I

responding
line; after the 80th character is entered on a line a new line is initiated. When the cursor is on the bot-

tom
top

Adjust the
background. Excessive brightness will cause premature phosphor degradation or burning not
covered under warranty.

and brightness control. Care should be taken that magazines or other material do not fall

should display a blinking block cursor in the upper left corner

be

referred

still

to

line,the

line disappears.

next new line will cause the contents

BRIGHTNESS control, on the rear, for comfortable viewing while maintaining a black

USING THE ACT·

All the information necessary
tained in this operating manual. We strongly urge you to read the manual thoroughly before you use
the unit.

be

positioned on a steady surface and at a comfortable level for the user. A space

must

be provided at the rear

switch

to

as the HOME or HOME-UP position throughout this manual. If the cursor does not

does not appear, refer to Section 8

t~t.1

key on the keyboard. Type on the keyboard. Characters should now appear cor-

the keys depressed and the cursor will advance. There are

is located on the rear

of

an otherwise clear screen, turn the terminal

SA

OPERATING MANUAL

to

realize the full potential

of

the ACT-5A

line

cord should then be connected to a grounded

of

the unit. After a one minute warm-up period, the

of

this manual.

of

the screen to scroll upward one line so that the

to

provide ease

of

this powerfully versatile product is con-

of

access to the power

of

the screen. This position

off

and back on again. If

80

character positions per

Section 2 describes the various modes
and DISPLAY CONTROL CODES.

Section
numeric key

Section
counter problems when attempting
tion 4

Section 5 describes the Input/Output (I/O) and Printer interfaces. Information contained in this sec­tion is useful to insure

Section 6 explains the user selectable
Rate, Blinking Field
and
specific

Section
ware controlled features arranged in ascending order by control code or Escape sequence value; a
table to aid in using the Cursor Positioning feature; a complete
Hexadecimal, Octal, Binary and Decimal equivalents; and
matrix for each character in the display set.

3 details the operation

cluster.

4

lists

the

multitude

for

clarification.

compatibility

Blink

Keyclick Enable/Disable. Instructions are prov i ded for changing these

tastes or application.

7 is

an

Appendix which contains the following useful information: A complete

of

of

ACT-5A features and

Rate, Selection

of

operation including FORMAT, SPLIT SCREEN, GRAPHICS

the keyboard and describes the operation

their

definitions

to

use a particular feature you may refer

between the ACT-5A and your host computer.

options

which include SinglelDouble Underline, Cursor Blink

of

the Protected Video Attribute, Keyboard Repeat Rate

list

an

enlarged presentation

alphabetically. Should you

of

the ASCII codes including their

of

all function keys and

to

its

description in Sec-

options

to meet your

list

of

the 7 x 9

of

en-

soft-

dot

7

2.0 OPERATING MODES

2.1

The ACT-SA
the host computer. Careful study and experimentation
ator

with

Specifically
Codes,
the ACT-SA can present every received code to the operator
Screen mode permits

40

characters), greatly relieving the operator's memory. The Graphics mode

characters that are useful in presenting fractions and graphic data more clearly.

For

efficient
minimize use
the-packet system. The Local mode can also be used
various terminal features.

To further enhance
upon

to

be noted that the Format and

offers

the many powerful

designed

Split

reduce redundant transmissions

a number

to

Screen, and Graphics modes.

twice

communications

of

costly

efficiency

of

useful operating modes that assist the user in

communications

help the user understand the

as many lines

the Local mode

host

CPU

time

or

the Format mode, with associated protected fields, may be called

Split

Screen modes are mutually exclusive.

communication

with

these modes

techniques offered by the ACT-SA.

computer

By

displaying (rather than executing) the control codes

to

be displayed on the screen, (provided they are less than

with

associated editing features may be utilized

to

minimize the number

for

of

forms from the host in data entry applications. It should

outputs

for

debugging assistance. The Split

of

packets transmitted in a pay-by-

testing and studying the operation

will

familiarize the oper-

are the Display the Control

offers

NOTES ON PROTECTED FIELDS

Unlike
the ACT-SA
Video, Blink,

most

computer

allows

or

the user

Underline.

terminals that restrict the protected field video attribute to Reduced Intensity,

to

choose

this

attribute

from Reduced Intensity (Standard), Reverse

a special set

with

of

32

to
of

explicit

For
of

this

of the protected fields feature.

NOTE: Several
unprotected positions. The user should
"protected"

instructions

manual. It is important

when reading about these features.

on

selecting

of

the ESCAPE sequence features discussed in Section 4 refer

to

follow

2.2 TRANSPARENCY MODE

A very useful feature

ASCII control codes when in the Display Control Code mode. This mode can be entered and exited

only by depressing the I CTRL I and G keys simultaneously while in the LOCAL mode. This aids

both the receive and
character received by the terminal
characters.
transmission in

On the transmit side

block mode

of

the ACT-SA is

transmit

to

the computer.

operations.
it

2.3 LOCAL SELF TEST

The LOCAL mode also provides a means

LOCAL mode any problems are

the
the remote computer.

one

these

settling

allows

limited

of

the alternate video attributes, please refer

instructions

substitute

its

capability

On

the receive side it permits one

any format problems caused by otherwise unseen control

control characters

of

testing the terminal manually. If the terminal works in

to

either

carefully in order

his video

to

display a unique symbol for each

the ACT-SA interface, the

attribute

to

be imbedded in the displayed data for

to

selection

insure successful use

communication

to

Section

to

protected or
for

the word

to

identify

of

every

link

6.3

the

or

2.4 X·ON/X·OFF LINE PROTOCOL

Since
honor the X-ON/X-OFF protocol
perform

until

ACT-5A

LINE

this

terminal is equiped

5

jump

the

smooth scroll feature is selected (see section

automatically sends

or

PRINT PAGE operation is initiated.

scroll operations and refrains from sending any X-OFF or

an

with

the SMOOTH SCROLL feature,

to

match the input character rate

4).

X-OFF code when

its

input

8

it

requires the host

to

the scrolling rate. The ACT-5A

X-ON

computer

codes at any

to

time

When SMOOTH SCROLL is selected, the

buffer

is nearly full or when a PRINT

3.0 KEYBOARD

The ACT-5A keyboard contains
tion keys (see Figure

The keyboard features typamatic (Auto-Repeat) operation at a user selectable rate
30

characters per second

ing

to

the directions given in Section 6.4

An audible tone is emitted each time a key is struck or when the keyboard is auto-repeating. This

keyclicking feature may

ESC

3.1).

be

88

keys which may be classified as either encoded,

(CPS).

This rate is set to

of

this

disabled by following the directions in Section 4

16

FUNCTION KEYS

30

CPS

manual.

I t I

at the factory but may

~

I

....

I~I

modifier

of

either

be

changed accord-

of

this

manual.

7

4 5 6

0

7.5,

8

2

or

func-

15

9

3

or

N

T

R

E

E

3.1

ENCODED AND MODIFIER KEYS

The majority
put codes

encoded keys depend on the state
modifier

depressed.

NOTE:

ACT-5A and appear

G

the

depressed and

Figure

of

keys on the keyboard generate

to

keys

is

illustrated in Figures

keys do not generate

The encoded key B and the modifier key I

frequently in

,I

GTRLI

c:=J

c:J

key in the above example but the I

held down while simultaneously striking the

output

The B key should be depressed and released before striking

3.1

Keyboard Layout

an

3.1

and 3.2. Note that the

of

the four modifier keys

codes nor do they cause a keyclick

this

manual in conjunction with another key

GTRL

67

ENCODED KEYS

output code when struck. The aSSignment

-I

f~b~1

GTRL

r have special significance

I key (because

~

rutpr

GTRL

it

is a

key and released after the

code.

El

to

modifier

generated by the

and 1

sound when they are

ego

key) must be

SHIFTI·

to

the

B

of

out-

The

c:J

key is released.

9

37 37
37 37
37 37

3434
3434
34 34

31 31
31
31

3838
3838
3838 3939

35 35
35 35

35 35

32 32

31

32 32

31

32 32

30 30
30 30
30 30

2020

39 39

2020

3939

2020

3636

2C 2C

38 36

2C 2C

38 36 2C 2C
3333

3333

0000

3333

0000
0000

2E

2E
2E 2E
2E 2E

3.2 FUNCTION KEYS

Twelve
codes

3.2.1

but

r:;l

of

the
control

KEY

sixteen

various

keys in the

E.I

This key
codes
at

either
codes
the
command

controls

whether

generated by the encoded key are

the

110

or

AUX

generated by the encoded keys are

1/0

or

AUX ports. Data may be sent

as

described

NOTE:

the

invoked

Due

terminal

only

to

the

dramatic

(Enter

Split

by an operator
mode. These features may
minal
the

of

i.e. the same

restricted

the

state

features are ignored when received from the

of

the

Figure 3.2 Keyboard

top

row

of

keys on

functions.

These

functions

the ACT-SA is in the ON-LINE

transmitted

ports

is

accepted

and displayed. When in the LOCAL

"echoed"

out

these

in

Section

Screen Mode,

codes

r:;l

3.2.6 below.

effect

not

that

that

typing

the

be

accessed

may be typed at

switch.

some

Display

appropriate

by the

E.I

Output

the

Codes

ACT-SA keyboard

do

not

generate

are described below.

or

LOCAL mode. When ON-LINE (key up) all

out

the

110

and AUX

to

the screen and are

ports

when in the LOCAL

of

the ACT-SA features have on the operation

Control

Characters etc.)

key(s) at the keyboard

host

computer

the

keyboard in the LOCAL

by

sending

host

ports

and all data received

mode

(key down) all

not

transmitted

mode

by invoking a SEND

those

features may be

while

in the LOCAL

codes

mode

computer

to

to

regardless

output

out

either

of

the ter-

execute

In the LOCAL

does

not

mode

miss

any messages

data

3.2.2 CURSOR CONTROL KEYS

In the LOCAL
direction.
depressed.
these

keys

3.2.3

B KEY

This key

mode

The

This

transmit

forces

these

cursor

greatly

the

the serial

temporarily

facilitates

following

sent

keys

output

from the
or

data

do

not

suspends

positioning

codes:

Cursor
Cursor
Cursor Left
Cursor Right

to

assume

host

computer

that

may be generated by the

lJJ

send

OJ

codes

blinking

the

Key

is

accepted

B B

to

the host, but move the

when these keys (or any encoded keys) are

cursor

Up

Down

the space (logical

10

quickly

Code
CTRLZ
CTRL K
CTRL H
CTRL X

0)

state

and

displayed

host

while

so

in

the

cursor

that

the

operator

LOCAL mode.

in the

indicated

and accurately. When ON-LINE,

for

the

duration

it

is depressed.

3.2.4

These
description

function

of

keys execute the operations inscribed on them. Refer to Section 4 for a detailed

the various functions.

3.2.5 TOGGLE VIDEO ATTRIBUTE KEYS

These keys may be used

received characters
switches

original value the key should

i.e. each time they are

I BLiNKI

BIW

I SHIFT

/I

BLiNKI

B/W

to

change the present video attribute setting causing subsequently typed or

to

be displayed

KEY(S)

Intensity

Underline

Reverse Video

Blink

with

the new video attribute type. These keys

struck

be

struck again.
TO CHANGE VIDEO ATTRIBUTES

the indicated attribute will change. To change back

3.2.6 SEN D KEY

and

I

BLINKI

B/W

act

as

toggle

to

its

This key in
part

of
types
protected and protected characters

Send Unprotected Only, Send Unprotected and Protected

the
this

manual.

KEY(S)

When sending,

PROGRAMMING

conjunction

the

contents

of

SEND operations described below. Each

of

with

its

the I SHIFTI and I

screen

out

pin 2

or

unprotected characters only. This selection is determined by

of

CTRL

its

1/0

SEND OPERATIONS

SEND LINE sends data from left margin to cursor position followed
code.

SEND PAGE sends all data from home
riage return code is sent.

SEND BLOCK stores
searches backwards for a
immediately
Carriage return codes are sent at the end
sent at the
operation commences at the home-up position.

all data received from the host is ignored.

following

completion

an

end

of

block

previous.

the.

of

marker to the newly

the send operation. If no

HINT

I keys commands the ACT-5A

and AUX communication ports. There are three
of

these operations will send

functions

to

cursor position. At the end

marker.

marker. If one is found, all data from the character

of

each line and

at the present cursor

displayed.

previous.

described in Section 4

a-n

end

marker is found the send

to

transmit

either

by

a carriage return

of

each line a car-

position

marker is transmitted.

of

block (EOB) code is

all or

both un-

of

then-

In order to avoid transmitting trailing spaces (those between the last displayable unprotected
character and the end
entering data that is
transmitting

When in the LOCAL mode

the

from
receive a response from the main processor

any messages from the

the line

computer

of

to

or

and display it. This

the line)

be sent in

lines.

if

no data is being sent

computer

the

screen should be CLEARED

block

system are not ignored when in the LOCAL mode.

mode to the computer. This

to

the

computer

allows

the user

without

11

to

edit

changing the

TO

PROTECTED SPACES before
will

by the ACT-5A

thel dati

t~g.

minimize

it

on the screen, send

switch. It also insures that

the

time spent

will

accept data

it

and

KEY(S)

PRINT OPERATIONS

Prints
code.

Prints
line

At the

removed from the
fer. If the terminal receives more than
troduced

pleted

pletely

commencement

into

execution,

emptied,

NOTE:

to
possibility
the
tion

If

the ACT-SA

host

computer

has

data from

all data from

feed

code

PRINT BLOCK stores end
backwards
mediately
the

printer

previous

the data stream, and data may be lost. Once the

the

that

time

.marker

40

character

the characters in the

an

X-ON code is sent

host

computer

immediately

the

must

to

finish.

left

margin

home

to

is

sent.

for a previous.

following

port. Carriage return and line feed codes are sent at the end

of

the Print Operation,

input

the.

is found the

input

buffer

does

not

following a print

buffer

delay

will

sending

to

cursor

cursor

of

text

marker. If one is found all data from the

marker

24

buffer

to

allow

honor

overflow.

characters

position

position.

marker.

to

the

print

operation

an

X-OFF*code is sent to the host. No characters are

during

characters from the

this

are removed and acted upon. When the

the

the

X-ON/X-OFF

line

In

followed

At the end

at the present

newly

host

or

order

after a print

displayed.

commences

operation,

computer

print

to

avoid

by a carriage return and line feed

of

each line a carriage return and

cursor

marker is

at the home-up

but

they are inserted

host

at

this

selected

to

protocol,

page

command,

this

command

print

resume

and characters are sent

situation,

position

time, errors may be in-

transmission.

there

until

then searches

character

transmitted

of

each line. If no

position.

into

the buf-

operation

the program in

the

has com-

buffer

is a strong

print

opera-

is com-

im-

out

NOTE:

the
described

*See

3.3

NUMERIC

There are
These are
keyboard

is provided

a

numeric

keypad.
speed

disengage.

The

host

computer

Section

three

1)

Typewriter

just

for

key

This

feature

learning

data

rate

to

(when using one

in

Section

2.4

DATA ENTRY

methods

as on a modern

accounting
cluster

the

provided by

style -the

identical

is

especially

calculator

the

printer

5.4.2.

typewriter

type data

to

format. To

is

independent

of

the above PRINT

the

ACT-SA keyboard

numbers 1 through

2)

Calculator

entry

and

3)

Keypunch

the

IBM Model 29

attractive

to

keypunch

disable

12

the

of

the data rate between

functions)

for

facililating

9 and 0 appear in

style

- a

14

key,

style

- when

keypunch

operators

r::l key

format

since

it

should

L..::.J

the

terminal and

and

is

switch

the

the

calculator

the

B key

is

available

they

be pressed again and

selectable

entry

of

top

row

format

inlaid

needn't

numeric

of

the

numeric

is

depressed

in

the

sacrifice

as

data.
main

pad

main

their

will

4.0 RESPONSES

TO

CONTROL CODES

Numbers shown in braces
code.

(eg

[07]) represent the Hexadecimal equivalent

of

the associated ASCII

ABSOLUTE CURSOR POSITIONING (DIRECT CURSOR ADDRESSING)

ABSOLUTE CURSOR POSITIONING allows the user to position the cursor anywhere
display matrix. The general format is a lead-in code, followed
dinates
dinates have been given. No other coding may be imbedded within this string
Appendix 7.2 for the
decimal/hex/ASCII conversions. If the cursor is positioned in a protected field in the FORMAT mode,
be

To position the cursor the
and the column number
produced.
most column is

EXAMPLE: To
codes

must

be transmitted

ABSOLUTE CURSOR ADDRESSING TABLE and Appendix

moved to the first unprotected position.

B

Similiarly

must

position

be

[14J [09J

an

column

received by the terminal.

to

the terminal in ASCII. The cursor assumes the new position after the coor-

[J

(0-79).

invalid column is reduced modulo

O.

the cursor on the tenth line down and in the

[04J

[14J

ASCII code [14J

If

an

- I CTRL I

[(LINE NUMBER)] [(COLUMN NUMBER))

invalid line is received,

[J

must

be

received followed by the appropriate line number

I CTRL

II

by

two

address coordinates. These coor-

it

is reduced modulo

80.

The

top

line

fifth

column from the left, the following

}~II

CTRL I G

of

characters. Please refer to

7.3

24

of

the display is line

within

for a complete

until a valid line

the

0;

24 x 80

the left-

list

it

will

(0-23)

0-23

of

is

When in

split

screen mode, the Row Number's range from

0-47

and the Column Number's range from

0-38

BACKGROUND FOLLOWS

All subsequent data received by the terminal
tensity. The terminal is restored

to

full intensity by giving a FOREGROUND FOLLOWS command.

[18J [43J - B I SHIFT I G

after

receipt of

this

function

code is displayed in low (half) in-

BACKSPACE

This

will

cause the cursor

screen. When the cursor reaches

will not move.An attempt to backspace into a protected field in the FORMAT mode will result in the cursor

first

staying in the

unprotected position.

to

move

the

to

the nearest character position

leftmost

[08J

column

-

Bc:J

it

will

stop. If the cursor is in the HOME

to

the

left

without

erasing data on the

UP

position

it

BELL

When the BELL code is received

position is not affected.

an

audible tone

[07J-

of

1760 hertz is generated for one half second. The cursor

BG

..

LOCAL: The cursor is moved to the

the screen

LINE:

The

will

scroll.

cursor

is moved to the

CARRIAGE RETURN

leftmost

leftmost

unprotected position

unprotected position on the present line.

[ODJ

- c::J

13

of

the next line. If

it

is on the bottom line

CHANGE

INTENSITY

All subsequent data received by the terminal
tensity. Full
change

intensity

intensity

is restored when the

code

acts

as a

toggle

terminal

switch.

CLEAR UNPROTECTED

Receipt
will

of

move

this

command

to

the HOME

will replace all

UP

position.

unprotected

{1B} {4C} -

CURSOR DOWN

On

receipt

cursor

scroll. If the
position

of

the CURSOR DOWN

is on the

cursor

after

the

bottom

attempts

protected

command

line

of

the screen, the
to enter a protected field in FORMAT mode,
field.

OJ

after

the

or

receipt

receives a second code

or{OE}

cursor

position

{OB}

of

this

- B Q

characters

E1

- B

~

is moved

of

the

c=J

function

with

down

cursor

code

is displayed in

of

the same type. Therefore the

unprotected

one line in the same column. If the

will

not

it

will

move to the

spaces and the

change nor

low

will

the

first

unprotected

(half) in-

cursor

display

The

cursor
If the next
position

On
on the top
the
it

attempted

it

receipt

FORMAT

advances one
position
encounters.

of

line

to

is

protected

{1

B}

{3A}

the CURSOR

of

the screen, the

mode

is set the

enter.

CURSOR RIGHT

column

to the right. The

and the FORMAT mode is set the

I

~

I

or

{18} - B

CURSOR

OFF

BBD

UP

command

position

cursor

[[]

the

of

will

move

or

{1A} - B

display

is not altered. If in the last

[J

OFF

(

[18]{38]

CURSOR UP

cursor

the

is moved up one line in the same column. If the

cursor

to

the

will

not

first

unprotected

[J

cursor

(ON)

(ON)

-

E1

change. If the

position

will

move to the

D)

position

following

column

above is protected and

it

will

not

move.

first

unprotected

cursor

the protected field

is

Delete the

column.

one

character

The

rightmost

denoted by the cursor. All characters to the right

position

DELETE CHARACTER

is cleared

to

or{1B}

the video

{36}

14

attribute

B I

of

the

cursor

of

the last character on the line.

~

I

row are moved

left

by

DELETE LINE

All data on
line and

the

the

line

bottom

denoted

line

is

by the

cleared

cursor

to

the

SHIFT

B

DISPLAY

Typing a
rather than

mode
characters are being displayed, the terminal

filling

the keyboard in LOCAL,
mands.

their

display

NOTE: This can be

act

is

particularly

a line

with

Appendix

counterparts.

upon them. The

80 characters. The

7.4

in

useful

which

lists

the

initiated

LOCAL

control

for

verifying the

will

32

ASCII

in LOCAL

mode

characters

only

control

restore

control

mode

{tt]

ENABLE (DISABLE) KEYCLICK

is

eliminated.

present

DEL

LINE

CHAR

attribute

or

{1 B}

CONTROL

conditions

control

will

the

terminal

characters

ONLY.

- B G

the terminal

thus

characters sent from the main processor.

continue
code

that

Pre-existing data

type.

B~El

{38}

ESC

8

CODES

to

become

to

to

in hexadecimal,

functionally

automatically

will

be acted upon is

its

normal

below

display

execution

all

transparent.

scroll

another

their

keyboard representation and

the

future

and

of

cursor

initiate

is moved up one

control

This

a new line

B G

control

character

characters

transparency

While

control

after

,from

com·

These

After
form a

This

functions

[1

BJ

[3CJ

this

code

scroll

function

BGJ

Appendix
ticularly

7.4

useful for generating graphs and

control

- B I

the generation

SHIFTII

~

r~1

ENABLE (DISABLE) SCROLL

is received LINE FEED's in

up

or

down

operation respectively.

{IB]

{54]-

B B 0 (

ENTER

invokes

lists

an

the

ASCII code,

alternate

character

its

of

the

audible

the

GRAPHICS

set

keyboard representation, and

displaying

{t

BJ

{4D] - B I

clicks

({

bottom

row and REVERSE LINE FEED's in the

for

ASCII codes [50J

fractions

when

encoded

IB1I3D

{IB]

(55] B B

MODE

or

subscripts.

SHIFTII

keys are

] - B

[5EJ-

its

displayed

M

wi

struck

0)

m)

I

SHIFTI

counterpart.

at the keyboard.

top

row per·

~

thru

This

[lEJ

is

-

par-

ERASE TO

All characters

cursor

The

from

position

the

is

END

cursor

not

affected.

OF

position

FRAME

to

(EEOF) PRESENT VIDEO ATTRIBUTES

the

end

B B G

of

the

screen are erased

-[1F]

15

to

present video

attribute

spaces.

EEOF PROTECTED

Same as EEOF
sor.

Same as EEOF
cursor.

All

positions

This code causes the same
of

the

cursor

except

except

from

are cleared to protected spaces.

the Protected Field

the Protected Field

the

cursor

attribute

EEOF UNPROTECTED

attribute

B I

SHIFT

\I

ERASE TO END

to

the

right

margin are replaced by present video

ERASE TO END

action

as the ERASE

bit

is set on all characters to the

BJ

-

[4AJ

[4BJ

[1EJ

- [1BJ

bit

is reset on all characters to the

KC§JI

OF

TO

-

[1

OF

LINE: EEOL

LINE PROTECTED

END OF LINE code

except

right

attribute

that

all

and

below

right

and

spaces.

positions

the cur-

below

to

the

the

right

B8IT]

ERASE TO END

Same as EEOL
right

of

the cursor.

This code
following
will

be

executed. If not, the illegal code and the Escape code are ignored. For a

Table 1 in Appendix

Note

that to invoke an ESCAPE sequence feature -

B key

except

conditions

the ESCAPE code is a valid ESCAPE sequence code the appropriate ESCAPE sequence feature

must

the Protected Field

the terminal to treat the

7.1.

be depressed and released

[1BJ

EXIT GRAPHICS MODE

OF

attribute

ESCAPE

following

before

-B

-

[1BJ

[40J

LINE UNPROTECTED

bit

is reset on all characters in the same row and

[1BJ

[49J

code(s) in a special manner. If the code

list

of these features see

ESC

A - Underline Current Character

striking

or

the

B

[J

OJ

key.

for

to

the

immediately

example,

the

This

will

EXIT the GRAPHICS MODE and restore the standard character set. See ENTER GRAPHICS MODE.

[1BJ

[4EJ

- B

16

ISHIFTI

[J

FOREGROUND FOLLOWS

All characters received after this command
spaces,

will

be transmitted during a SEND LINE

[18J [42J - B

FORMAT MODE

Enter: Prevents the
mode. A bell is sounded
unrestricted movement

This

function

mode is set, in

moves the cursor.to the upper

cursor

[18J [44J - B

which

from entering the protected fields. Not permissible when in the split-screen

if

an

attempt to enter

of

the cursor.

ENTER

case it moves to the

ISHIFTI

[10J - B

will

appear in full intensity. Only these characters, including
or

SEND SCREEN.

ISHIFTI

this

mode is made when in the split-screen mode. Exit:

G [18J [45J - B

HOME

left

corner

first

unprotected position.

UP

of

the screen unless

c:J

EXIT

it

ISHIFTI

is protected and the FORMAT

[J

[JJ

Allows

HOME

This function moves the cursor to the upper
video

attribute

type.

[OCJ

-

HOME AND CLEAR TO (UN)PROTECTED

These codes cause the cursor

all screen

in

positions.

[18J [60J - B I

to

move to the upper left corner of the screen and write (un) protected spaces

INSERT CHARACTERS

Insert subsequent characters into the
at the cursor
typed at the keyboard. To
the

control character and sound the BELL

Key Stroke

position

Screen Contents

and

to

its

right are moved one position to the right each

exit

from this mode, any control character may be typed. The ACT-5A

cursor

AND CLEAR

left

corner

:::

I

row at the cursor position.

to

indicate

of

the screen. The screen is then cleared

or

B~

1B

0

) [61} - B

an

exit from the insertion mode.

After

[J

time

)

this

command, all characters

a displayable character is

will

to

present

act upon

The

quick

ESC G

Space

f

o

x

RETURN

The
The
The
The
The
The

quick
quick
quick
quick
quick
quick

brown_jumps
brown_jumps
brown
brown
brown
brown
brown fox

_jumps
f_jumps
fo_jumps
fox_jumps

..
...

..

jumps

.

(insertion mode entered)

.

..

.

..

.

..

.

...

(Bell sounds and RETURN Function Performed)

or{18}

{47} B \SHIFTI8

17

INSERT LINE

This

will

allow

a new line

will

be inserted on the row denoted by the cursor. All pre-existing
down by one line and the last line
with

the present video attributes.

of

text

to

be added between any

scrolls

downward

~Wl

or{18}{37}

CHAR

off

LINE FEED

This

will

screen

cause the

will

scroll. The new

cursor

to move down one line in the same column. If the

bottom

line

will

be

filled

with spaces

two

pre-existing lines on the screen. A blank line

text

on the

the screen. The blank line

~

'--=J

1il7&

L2J

of

the present video attribute type.

cursor

cursor

row and

will

is on the

below

be cleared to spaces

bottom

is moved

line, the

[OAJ - I CTRL I

Sending the ASCII NULL is accomplished by
key.

[OOJ

PASS THROUGH PRINTER PORT ON (OFF)

There are

Pass Through Printer operation is enabled in
is sent
routed

the

printer

When the ACT-5A is operating in the

computer
operates normally.
and that errors can
X-OFF codes).

In

Non-Monitor
contents
state until the Pass Through Printer Port

two

directly

to

the

port

in

addition

of

the

modes

to

host

nor

of

Pass Through Printer Port Operation:

the

printer

computer. When Pass Through Printer operation is disabled, received data is not routed

is the printer

to

Note

occur

Mode, however, the terminal passes the data through

screen. All keyboard

port at the same data rate as it was received at

output

passing it through

that both the

as a result

sent

Monitor

to
output
of

this

functions

Off

c=1

or

r:;l

~

NULL

holding

- B

either

to

the

Mode, the terminal

the printer. All keyboard

of

if

code

the B key

ANY NUMBER KEY

Monitor

of

these modes, all data received from

host

computer.

the

printer

the

printer

are disabled, the keyboard is locked and

is received by the terminal from

and

of

produces

down

and then

Mode and Non-Monitor Mode. When

the

110

displays

functions

the ACT-5A are tied

output

to

all data received from

are enabled, and the ACT-5A

codes

the

printer

striking

port, and printer

to

the Serial Out Line

(this

includes

but

does not

the

host

any

the

host

will

remain in

computer.

number

computer

output

the

host

X-ON and

disturb

is

to

the

this

The Pass Through Printer Port
tion.

MONITOR PASS THROUGH PRINTER ON:

NON-MONITOR PASS THROUGH PRINTER ON:

PASS THROUGH PRINTER OFF:

Off

code disables

both

~

'--=J

B

8

Monitor

18

and

Non-Monitor

rJl

L..:::SJ

[JJ

[]

-

-

-{19}

{18}{5C}

{18}

{5D}

Pass Through Printer opera-

This

will
clusive)
sent. The
line

is

being

the

line

PRINT

cause all characters from the

to

be

sent

out

the

printer

transmission

transmitted

has been sent. SEE NOTE SECTION 3.2.7.

can

to

only

the

printer,

beginning

port.

At

be

interrupted

no

{1BJ

of

the end

by the appropriate signal on the

data

will

{46J

- B

LINE

the line

of

the

be

accepted

denoted

line a CARRIAGE RETURN and LINE FEED

ISHIFTI

by the

into

the terminal. The BELL

cursor

printer

[]

to

the

cursor

busy line.

position

will

While

sound

will

after

(in-

be

the

All

text

from the

each

line a CR
printer
minal. The BELL

1/0

home

and LF

ready line.

will

REPORT

The ASCII

Character.

After

address

Character. Please refer

7.3

for a complete

code

receiving

coordinates.

for

the

the

ASCII

list

position

will
While
sound

to

the

be sent. The

the line is being

after

all data has been sent. (SEE NOTE SECTION 3.2.7)

CHARACTER

character

at

the

REPORT

control

These

to

Appendix

of

decimal/hex/ASCII

code

coordinates

PRINT

Cursor

transmission

transmitted

{10J

cursor

{1BJ

{4FJ

ENQ

[05J,

are

coded

7.2

for

the

conversions.

PAGE

position

-

position

CURSOR

ABSOLUTE CURSOR ADDRESSING TABLES and

inclusive

can

only
to

EJ

[]

AT

is

transmitted

-I

ESC

IISHIFTII

the

terminal

in binary and

will

be sent

be

interrupted

the printer, no data

CURSOR

POSITION

to

the

owl

POSITION

will

respond by

transmitted

to

the

printer

by the

computer

appropriate

will

be

reporting
in ASCII

port.

accepted

followed

the

cursor's

followed

At

the end

signal on the

into

by

the

by the EOB

Appendix

of

the ter-

EOB

current

The range

Number's

The

terminal

Upon

receipt
followed
attribute

This

function

the

cursor

line,

losing

line

top

will

of

Row

Number's

is 0-79 in full screen

will

respond

with

REPORT

of

this

command

by

the

EOB Character.See

state

assignments.

will

cause the

will

remain there,

the

bottom

be set

line

to

the present video

is

0-23 in

mode

(LINE NUMBER) (COLUMN NUMBER) (EOB CHARACTER)

the

cursor

but

of

the screen, and

full

and 0-38 in

PRESENT

present

the

SET ATTRIBUTES

[1

BJ

{52J

REVERSE

to

move up one

the

screen

attribute

screen

[05J

mode

split

-

VIDEO

state

of

the

- B I

line

will

scroll

forming

type.

and 0-47 in

screen

split

mode

ATTRIBUTES

video

attributes

command

SHIFTI

[]

LINE

downwards;

a blank line at the

FEED

in the same

the screen

column.

screen mode. The range

is

transmitted

description

If the

will

top

of

the screen. The

to

for a list

cursor

appear

of

Column

the

host

computer

of

output

is on the top line,

to

move

down

blanks

code

one

in the

to

[1

BJ

{48J

- B I

19

SHIFTI

c:J

REVERSE TAB

This code causes the
whether

On
key causes the
column
cursor
be

used as a

This
Cursor, Report
line is dropped

the FORMAT mode is set. If the home-up

LINE, depression

execution

of

the line (Column 0 and

is

protected

function

and the terminal is in Format mode.

timing

specifies

Cursor

only

cursor

to move to the

leftmost

position

position

or

B

BB

RUBOUT

of

this

key

transmits

of

a Backspace - space - Backspace sequence unless the

Column

code

(filler

code).

SEND

SEND

SET

which

Position, Report Character at Cursor and

after

code

the EOB

character

the ASCII code [7F] to the computer.

41

in

Split

Screen Mode)

In

these cases no

[7FJ

- I

DELETE

LINE

SEE SECTION 3.2.6

SCREEN SEE SECTION 3.2.6

END

will

be

OF

sent

BLOCK

to

terminate the

is sent. The

of

a preceeding

is encountered the

c:J

-[12J

or

unless

action

I

CHARACTER

following

Block

default

Send. When in Half Duplex the

value is Carriage Return.

unprotected

cursor

In

LOCAL, depression

cursor

the character to the

is taken. This code may also

sequences. Report

field regardless

will

not

move.

is in the

left

Attributes

of

of

this

leftmost

of

the

at

RTS

[1

BJ

(39J

[New

EOB CharacterJ - B I

SET

SEND

(BOTH UNPROTECTED & PROTECTED)

These
SEND DATA TYPE is set to

codes

control

[1

BJ

the type

unprotected

[5EJ

- B I

of

characters that will be sent when the

SHIFTI

SET VIDEO ATTRIBUTES

The

code

immediately

subsequent

ment

of

SET (REPORT)

CHARACTER

@

A
B 0010 FULL
C
D 0100

E
F

G

H 1000 LOW

I

J 1010 LOW

K

L

M
N 1110

0

received (typed)

video

attribute

(4

following

states to set characters is as

ASCII LSB's)

this

command

displayable

0000
0001

0011
0101

0110

0111
1001
1011

1100 LOW
1101

1111

~

[Q]I

DATA TYPE UNPROTECTED

~~~6

key is struck. On power-up the

only. LINE

[2]

sequence

characters are

follows:

INTENSITY

FULL
FULL

FULL
FULL YES
FULL
FULL
FULL YES

LOW
LOW
LOW

LOW
LOW 20

(1IB1I

indicates

to

be displayed

ATTRIBUTE SETTING

NEW

BLINK REVERSE

NO NO
NO
NO

NO

YES
YES

NO

NO
NO

NO YES
YES
YES
YES

YES

5F

J-

B B

the new state

with

these

NO
YES
YES

NO NO

NO
YES
YES

NO NO

NO
YES

NO

NO
YES
YES

of

the video

attributes.

UNDERLINE

~)

attributes.

The assign-

NO

YES

NO

YES
YES

NO

YES
YES

NO

YES

NO

YES

NO

YES

All

Upon power-up the video

[1B]

SMOOTH SCROLL (LINE FEED)

attributes

{53]

{XF]

are

sets

set

to

full

aI/

attribute

intensity

bits.

no

blink,

no

reverse and no underline.

The upward

serial
of

data

lines

of

proceeds

NOTE:

tocol.
the
data appears at a
do

scrolling

number

appear on the screen as fast as the

terminal

not

is greater than 80xx1999):

data appear on the screen at the

smoothly

In order

If

output

smooth

allowing

to

from the

will

smooth

faster

scroll.

of

the ACT-5A caused by line feeds may be performed in one

the data

use the

smooth

host

scroll

rate the terminal

See

Section

to

scroll

cannot

only

jump

scroll

computer

maximum

be read as

feature the

be

controlled

if

data is received at a rate

will

2.4

or

smooth
sends them
rate

of

five per second. The upward

it

appears on the screen.

host

computer

by XON (Control Q) and XOFF (Control

automatically

scroll. When in

to

the terminal.

must

of

less than five

perform

jump

r=:lr::=Jr>1m

Select

When the

Enter: The screen
format
Request
Line and Character, Back Space, Print, Send, Carriage Return, Erase to End
Frame. The bell is sounded
ONLY).

terminal

to

24

lines by 80 characters.

Cursor

is

initially

format

Positioning,

Smooth

Select

Jump

turned on the

Scroll

Scroll

SPLIT SCREEN MODE

is

48

lines

of

39

characters rather than the usual

Note

this

Line Feed, Cursor Right -

if

an

attempt

to

jump

affects

enter

{1B]

{3E]-

{1B]

{3F]-

scroll

mode is selected.

the

following

Left -Up

this

mode is made while in the Format mode. (LOCAL

~

L:J

B

24

functions:

- Down, Insert Line and Character, Delete

of

two

ways (provided the

jump

In

smooth

support

scrolls.

scroll

the
lines

mode, new

scroll

mode, new

movement

XON-XOFF pro-

per second. If

Reverse line feeds

S)

of

codes

lines
lines

L:J

ISHIFTI

IT]

by 80. Exit: Returns the screen

Absolute

of

Cursor

Line and Erase

Positioning,

to

End

of

ENTER

{1

B]

{50] - B \

START (END) BLINKING FIELD

Displayable
not

affected.

characters

{1B]

{56]-

received

START (END) REVERSE VIDEO FIELD

Displayable
background
turbed.

characters
(standard -

[1B]

{58]-

received

white

BBD

SHIFTI

[J

after

these

after

dots

on a black background). The

these

codes

codes

will

({IB][57]

will

({IB]

21

{1BJ

{51] - B

blink

(not blink). The

- B B

be displayed as reverse -

other

(59]-

B B

other

three video

EXIT

\SHIFTI

three video

GJ

)

black

dots

attributes

D)

G

attributes

on a

white

are undis-

are

START (END)

UNDERLINED

FIELD

Displayable characters received
attributes

The

execution

If the FORMAT
fixed TAB

will

not

If the FORMAT
field. If there are no more Unprotected

not

move.

are unchanged.

[181

of

this

mode

stops

are in

move.

mode

[5A1

command depends upon

is not set the

columns

is set the

after

- B I

cursor

8,16,24,32,41,49,57,65,

cursor

[091

UNDERLINE CURRENT CHARACTER

The

character

cursor

moves

at the
right

cursor

after

underlining.

position

[181

these

codes

SHIFT/

[]

will

be underlined (not underlined). The

([IBJ

TAB

whether

will

advance

will

advance

fields

from the

- I CTRL I

is underlined regardless

[41J

c=l

- B

the FORMAT mode is set.

to

the next fixed TAB

and

to

the

first

cursor

[]

[5BJ

73.

If the

(leftmost)

position

or

of

the state

- B

cursor

to the end

is in

position

of

the

other

OJ)

stop

on the present line. The

columns

of

of

the screen the

other

73

the next

video

attributes.

through

unprotected

three video

79

it

cursor

will

The

22

5.0 INTERFACE INSTRUCTIONS:

5.1

I/O

Connector:

Printer

EIA CONNECTOR PIN ASSIGNMENTS:

The pin

PIN NUMBER

Connector:

PIN

assignments

1

2

3

4

5

7

20

NUMBER

1

2

3

7

20

for

the

25

pin EIA

Data Terminal (ACT-5A) Ready (High whenever ACT-5A is on)

connectors

Printer

Printer

on the rear

Serial RS232c data

Serial RS232c data

Request To
Clear To Send (From Modem)

Serial RS232c data

Serial RS232c data

Printer Ready (High

of

the ACT-5A are as

SIGNAL

Ground (Chassis)

out

of

into

Send (To Modem)

Ground

(Signal)

SIGNAL

Ground

into

Ground

Act-5A from Printer

out

= Ready)

ACT-5A

ACT-5A

of

ACT-5A

follows:

5.2 CURRENT LOOP INTERFACE

An

optically
feature
must

Since

RECEIVER

of

be

connected

I/O

Connector

the

OPTO·

ISOLATOR

TRANSMITTER

~:::

OPTO·ISOLATOR

isolated, polarized, passive, 20mA

the

ACT-5A. In

ACT-SA

12

(or

24)

13

(or

25)

10

(or

22)

11

(or

23)

interface

~$

to

the

Pins

is

passive a

ACT

VV'w

Figure

order

to

enable

computer

SA

as

typical

i

DRIVE

CIRCUIT

5.1

TYPICAL CURRENT LOOP CONNECTION

follows:

installation

it

current

pins

10, (22),11(23),12(24) and 13(25) on

Receiver Current

Receiver Current return

Transmitter

Transmitter

would

PIN

#12

(OR

24)

#13

PIN
(OR

PIN #10
(OR

PIN

(OR

25)

22)
#11

23)

:\

',)

IE

' >

:

I

I(

:

I

(+)

(-)

(+)

(-)

loop

interface

Signal

input

current

Current

appear like:

CURRENT

•

CURRENT

•

sink

source

is

available as a standard

the

1/0

conector

(+)

(-)

( + )

(-)

HOST COMPUTER

,

TRANSMITTER

<,=->-

):>

I
I

<1:

):

+v

~

RECEIVER

f:H

5.3 FULL AND

The ACT-5A may operate in
keyboard and

duplex
each
usually
mencement

If
operation.

mode

transmitted

the prefered mode

this

switch

HALF

sent

to

the

the

host

does not

character. Some

of

PRINT and SEND operations. The

is

toggled

DUPLEX OPERATION

either

host

of

during

full

or

half

duplex

computer

echo

operation.

terminal operation, the terminal

are echoed by the

the characters sent to it so the ACT·5A provides a local

modems

require the half

In

both

23

modes.

full

and half duplex, CTS

full/half

In

full

duplex

host

and appear on the screen,

duplex

duplex

switch

must

all characters typed at the

mode-otherwise

must

is read only upon

be recycled

be high

to

In

the half
echo

of

full

duplex

to

allow

power

insure proper

is

com-

up.

o.J.'

t-ull Duplex Operation

In

the

full duplex mode (selected by the slide

receiver

concurrently. Only pins 2 (RS232c Serial Data Out), 3 (RS232c Serial Data In) and 7 (Signal Ground)

must

circuits

be connected

operate independently and

to

establish

full

duplex

at

the rear

data

communication.

may

ofthe

flow

cabinet) the ACT-SA's

both

into

and

out

transmitter

of

the serial interface

and

5.3.2

Half

In the
typed at the keyboard are echoed internally and

1/0 port. The Request To Send

Bell 103 and 202 type modems. In
struck
the EOB character.
the

Duplex

half

duplex

at the keyboard for

completion.

With

mode

Modem

of

operation (selected by the

(RTS),

transmission

RTS

is raised at the

5.4 DATA RATE SELECTION

The ACT-SA features data transmission/reception rates

5.4.1

19,200 baud (bits/second)

Selecting

The

photo

ches shoud be turned on at the same time.

NOTE:

When

fer. When

suspend transmission. When the

host does

this

features that take more than one character

At

this

buffer

the

1/0

below indicates the

19,200 baud the ACT-SA cannot execute all

occurs

this

not'honor

does not overflow

one or more characters are stored in a forty character First-In-First-Out (FIFO) buf-

buffer

for

both the

Data Rate

location

SWITCH#

110

1

2
3

4

S
6

7

8

fills

to

24

characters the ACT-SA

the X-OfflX-On protocol, Rubout characters (not nulls)

(an

Control

also

Clear To Send (CTS)

half

duplex

to

I/O

of

PRINTER

buffer

unlikely

operation on line,

the

host

commencement

and PRINTER

the 8

switches

8

7

6
S

4

3
2

1

is emptied an

event) the user

time

at 19,200 baud

switch

transmitted

computer

at

protocol

of

of

110,300,600,1200,2400,4800,9600

communication

that select the

DATA

control

transmits

X-On

will

the rear

and dropped

a SEND operation, and dropped at

codes before another code arrives.

code

be unaware

of

the cabinet) all characters

to the

RTS

RATE

an X-Off

to

host

is employed

is raised when a

after

ports.

I/O

(BAUD)

19.2K
9600
4800
2400

1200

600
300
110

code

is

transmitted

complete

computer

to

the

data rate. No

to

must

be sent. As long as

of

its existence. Control

execution

through the

enable use

character

transmission

two

force the host to

to

the host. If the

are:

swit-

with

is

of

and

Function

Clear Foreground

Home & Clear
Line Feed (Scrolling)
Erase
Tab (Format Mode On)

to

End

of

Reverse Tab
Pass through Printer (ON and OFF)

*See Section 2.4

5.4.2

Selecting

Located
select
The
order.

immediately

switches.

printer

switches

the

Refer

Printer

5.5 UART OPTIONS

The ACT-SA is factory set

bits, an 8th data

the

data

word may be
the rear
the data

of

transmission

bit

(tied high on transmit, ignored on receive) and

the cabinet (see

Length In

Screen

Number

1-26 (Cursor Position Dependent)

Data Rate

above the

to

select the same rates as the

modified

format:

I/O

data rate

Section 6.0 to gain access

to

transmit

by resetting the UART

photo

below). The UART

select

and receive a data word

24

of

Character Times at 19,200 Baud

160

26

3

1-32

(Form Dependent)

1-450 (Form Dependent)

40

switches

to

I/O

switches

option

these

option

on

the

main

logic

switches

(listed above) except in the oppOSite

consisting

switches

switches

by removing the cabinet top.

of

1 start bit, 7 ASCII data

two

stop

bits. The parameters

located on the logic board in

have the

board are 8

following

printer

effects

rate

of

on

UART SWITCH # FUNCTION

UART

5

10 Parity select:

9

6,7

8 Odd/Even Parity Select:

'switches

Word
the

five

8th

bit

(switch

by

switch

Number

length:

word

Switch

through

transmit

5.6 PRINTER PORT

The ACT-5A

controlled

printer

by

either

port

select:

up)

chooses a logical

Off

(switch

8

of

stop

bits:

Lengths

length.

Length (Bits)

8

7

6

5

10

must

be on

ten are all

operates

codes

factory

typed

Off

of

in

at

Off

down)

(switch

5,

Off

to

enable

two

the

(switch

0 (space).

selects

6, 7 or

8 are

Switch 6

(switch

set

to

modes:

keyboard

down)

down)

possible.

Off
Off

On
On

down)

parity

the

off

buffered

or

causes a logical

no parity; On

selects 2 stop

selects

generation.

position.

and pass-through. Both

received from

enables

bits;

The parity

Switch 7

Off

On

Off

On

even parity; On

the

1 (mark)

the

type

On

selects

bit

(if

selected)

computer.

to

be

of

selects

modes

transmitted;

parity

one

selected

stop

bit.

is added on

odd parity.

are

software

On

to

If

the

Pass

second

sures

pause
on
erroneous

should

that

in

codes

Through

the

the

data

to

prevent

characters.

Printer

preceed

input

buffer

transmission

the

is

to

the

transmission

will

printer

5.6.1 Buffered Printer Mode

The screen
depreSSing
puter

independent
transmitting
PRINTER
sion

until
assumes
PRINT

NOTE: See

contents

the

(see

Section

connector.

the

that

operation

Section

may be sent

~~I~~

LINE

4)

to the ACT-5A. The data rate used to

of

the

I/O

characters

If

printer

the

becomes
printer
terminates.

3.2.7.

key as

data rate and may

this

described

to the

signal

is always ready

be

operated

be

empty

to

the

ACT-5A

UART

from

out

the

printer

assumes

ready and reasserts

at

speeds

of

the

PTP on

and

the

of

acquiring

PRINTER

in

Section

be

selected

the

ACT-5A senses the
the

low

to

accept

greater

code

PTP ON

10

milliseconds

false

start

connector

3.2.7 or by

as

(not ready) state the ACT-5A

this

line. If pin

data and

than

1200 baud, a

sequence

code

bit

pin 3 (in a serial RS232c format) by

sending

transmit

described

transmits

to

the

will

be

executed

must

immediately

synchronization

a PRINT

characters

in

Section

printer

ready line at pin

20

is

not

continuously

delay

terminal.

to

connected

This

promptly.

follow

and

thus

code

from the com-

the

local

5.4.2 above. When

suspends

the ACT-5A

until

the

of

20

milli-

delay

Another
the
printing

printer

20

of the

transmis-

selected

en-

PTP

is

5.6.2 Pass-Through Printer Operation

A

software

computer)

printer

the
(monitored/not
printer
puter.

controlled

to the serial data

to

the serial data

monitored)

be

able

to

accept

switch

is provided by the ACT-5A to

output

output

and

data

line

to

the

printer

line

to

the

off

(see

Section

at the same rate as the

25

host

4).

connect

and

conversely

computer.

This

type

of

I/O

rate between the

the serial data

the serial

Three

printer

codes

operation

terminal

input

data

control

requires that
and

line (from the

input

line from

this

switch

the

host

- on

your

com-

6.0 USER SELECTABLE

OPTIONS

6.1

The operation
printed

In

Before
screws
the chassis and set it aside
cover (cabinet top) before reconnecting power

circuit

order

dOing so UNPLUG the

located on the sides and at the rear

SINGLE/DOUBLE

FACTORY SETTING: SINGLE

Jumper
the
character
that we suggest

W1

single underline appears in the same scan line

of

several ACT-SA features may be altered by changing

board. These

to

gain access to the

options

jumpers

unit

from the 110

while

modifying the

are described in the

on the main logic board the cabinet top

of

UNDERLINE

selects whether underlined fields will have one or

(g)

while a double underscore over·writes both descending rows

double underscores

W1

CONNECTIONS

A to S for single
B to S for double

be

used only in the absence of descending characters.

following

(220)

Volt receptacle. Then remove the four retaining

the cabinet. Carefully

jumper

to

the unit.

selections. It is important

two

understrokes i.e. A

as

the

bottom

jumper

subsections.

lift

row of a

selections

the cabinet

descendinglower

(g).

on the logic

must

be removed.

top

up and

to

REPLACE the

or

A.

It is for this reason

off

of

Note that

case

6.2 BLINK RATES FOR CURSOR

FACTORY SETTING: CURSOR 2
Jumpers W2 and W3 select the blinking frequencies of the cursor and of the blinking fields. These

two rates are independent and may be

CURSOR RATE:

W2 CONNECTIONS

S to A

S to B

S to C

to D

S

BLINKING

RATE:

W3

CONNECTIONS

S to A

S to B
S

to

C

HZ;

AND

BLINKING FIELDS 1 HZ

selected as follows:

6.3 PROTECTED VIDEO ATTRIBUTE

FACTORY SETTING: PROTECTED FIELDS = REDUCED INTENSITY

The video

Reverse Video

be

performed.

attribute

or

associated

Underlined.

with

protected fields may be

In

order

to

change the protected video attribute two operations must

BLINKING

BLINK RATE (Hz)

4

2

1

o

BLINK RATE (Hz)

4

2

1

anyone

FIELDS

of: Reduced Intensity, Blinking,

First

W4

should be connected as

W4

CONNECTION PROTECTED VIDEO ATTRIBUTE

S

to

A

S

to

B

S

to

C

S

to

D

follows

Reduced

Blinking

Reverse Video

Underline

26

Intensity

Second
set as

the

Protected Field

follows:

Attribute

switches

(Refer

to

Figure 5.2 above) T.O. 2 and T.O. 3

must

be

PROTECTED VIDEO ATTRIBUTE

Reduced

Reverse Video

Intensity

Blinking

Underline

6.4 KEYBOARD AUTO REPEAT RATE

FACTORY

After
per second (CPS) depending upon

6.5 DISPLAY NULL CHARACTER

FACTORY SETTING: ON

This
either
location

SETIING:

approximately

W5 CONNECTION

S

to

S

to

S

to

switch

(located at the rear

the display, the

of

this

switch.

30 CPS

a.5

second delay all keys

the

A

B

C

of

the

control

characters mode

W5

T.O.4

cabinet)

jumper

REPEAT RATE (CPS)

ON/OFF

T.O.2

OFF
OFF
ON
ON

automatically

selection:

controls

or

in graphics mode. Refer

T.O.3

OFF

ON

OFF

ON

repeat at

30

15

7.5

the displaying

either

of

to

7.5,15

the

Figure 5.2 for the exact

or

30 characters

null symbol when in

27

7.1

Function Summary

must

DECIMAL

5

10
11
12
13
14
16
17
18
20
24

29
30
31

be

pressed

27
27

27
27
27
27
27
27
27
27 67 [Esc] [C]
27
27
27

27
27

27
27

27
27
27
27

27
27
27
27
27
27
27
27
27
27

27
27
27
27
27

27

first

then

54
55
56
57 [Esc] [9]

58
59
60 [Esc]
61
62
63 [Esc] [?]
64 [Esc] [@] Erase
65
66

68 [Esc] [D]
69 [Esc] [E]
70 [Esc] [F]

71

72

73
74
75
76

77 [Esc] [M]

78
79
80 [Esc] [PI
81
82 [Esc] [R]
83 [Esc]
84
85 [Esc]
86 [Esc] [V]

87
88 [Esc] [X]
89

91
92 [Esc]
93 [Esc]
94 [Esc]
95

97

HEX

05
07 7
08 8

09 9
OA
08
OC
OD

OE

10
11
12

14
18

19 25
1A 26
1D
1E
1F

The [Esc] key
be

depressed.

18

36 27

18

37 27

18

38 27

18

39

18

3A 27

18

38

18

3C

18

3D

18

3E
3F

18
18

40
41

18
18

42

18

43

18

44

------

45

18
18

46

18

47

18

48

18

49

4A 27

18

48

18
18

4C
4D

18
18

4E

18

4F

18

50
51

18
18

52

18

53

18

54

18

55

18

56

18

57

18

58

18

59

18

5A 27 90 [Esc]

18

58

18

5C

18

5D

5E

18

5F

18
18

60 27 96
61

18

released

KEYBOARD

[Ctrl

E]

[Ctrl G]

.[Ctrl H]

[Ctrl

I]
[Ctrl J]
[CtrIK]
[Ctrl

L]
[Ctrl

M]
[Ctrl

N]
[Ctrl

P]
[CtrIO]
[Ctrl

R]
[Ctrl

T]
[Ctrl

X]
[Ctrl

Y]
[Ctrl

Z]

[Ctrl]]
[Ctrl

A]

[Ctrl

_]

before

[Esc] [6]
[Esc] [7]
[Esc] [8]

[Esc]
[Esc]

[:]
[;]

the

next

key

for

1<]

[Esc]

[=]

[Esc]

[>]

[Esc] [A]

[8]

[Esc]

[Esc] [G]
[Esc] [H]
[Esc] [I] Erase To End
[Esc] [J] Erase To End Of Screen
[Esc] [K] Erase To End
[Esc] [L]

[Esc] [N]
[Esc]

[0]

[Esc]

[0]
[S]

[Esc]

[T]

[U]
[Esc] [WI
[Esc] [Y]

[Zl

[Esc]

[[]

[,,]

[Jl

[A]

[Esc]

[_I
[Esc]

[,]
[Esc]

[a]

FUNCTION
Report

8ell
8ackspace

Tab

Line Feed

Cursor

Home
Return

Change

Print
Display
Reverse Tab
Absolute
Cursor
Pass
Cursor
Home
Erase To End
Erase To End

these

Delete
Insert
Delete Line
Set
Cursor
Cursor
Enable

Disable
Select
Select

Underline

Foreground

8ackground

Format
Format
Print
Insert
Reverse

Clear
Enter
Exit
Report
Enter
Exit
Report
Set
Enable
Disable
Start
End 81inking Field
Start
End
Start
End
Pass
Pass
Set Send Data Type ­Set Send
Home
Home

Cursor

Down

& Clear

Intensity

Screen

Control

Cursor

Right

Through

Up

Up

functions.

Character

Line

E08

Character
Off
On

Keyclick

Keyclick
Smooth
Jump

to

End

On
Off

Line

Character

Line

Foreground

Graphics

Graphics

Character

Split

Screen

Split

Screen (Local)

Video

Video

Attributes

Scroll

Scroll

81inking Field
Reverse

Reverse

Underline

Underline

Through
Through

Data

and

Clear

and

Clear

Follows

Position

to

Current

Characters

POsition

Printer

Of
of

CAPS LOCK

Scroll

Scroll

of

Follows

Feed

Of
Of

Attributes

Video

Video

Field
Printer
Printer

Type -

(Off)

Line

Screen

Line

Protected

Line

Unprotected

Screen

At

Cursor

Mode

Field

Field

Field

On
On

to

Protected

to

Unprotected

Attributes

(Local)

Current

Unprotected
All

Attributes

Current

or

SHIFT

Protected
Unprotect.

(Local)

(Monitor)
(Non-Monitor)

Spaces

Sp.Rr.es

Attributes

key

must

28

2 ABSOLUTE CURSOR

ADDRESSING

TABLE - ACT-SA

DECIMAL ASCII

0
1
2
3
4
5
6

7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
18
29
30
31

CTRLO
CTRLA
CTRL B 2
CTRLC
CTRL D 4
CTRL E 5
CTRL F 6
CTRLG
CTRL H 8
CTRLI
CTRL J
CTRL K
CTRL L
CTRL M
CTRL N
CTRLO
CTRL P

CTRL a

CTRL R
CTRLS
CTRL T
CTRL U
CTRLV
CTRLW
CTRLX
CTRL Y

CTRLZ
CTRL[

CTRL"
CTRL)
CTRLA

CTRL_

32

(
)

"

#

$

&

,

!

%

*

+

33
34
35
36
37
38
39
40
41
42
43

44
45
46
47
48
49

50
51
52
53
54
55
56
57

I

0

1 1
2

3

4
5
6
7
8
9

58
59
60
61

-"')

,

<

=

>

?

ROW

0
1

3

7

9
10
11

12
13
14
15
16
17
18

19
20
21
22
23

0
1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19

20
21
22
23

0

2

3

4

5

6

7

8

9
10

11

12

13
14
15

COLUMN

0

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18

19
20
21
22
23
24
25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

63

29

DECIMAL

64
65
66
67
68
69
70
71
72
73
74
75
76

77

78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98

99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114 r
115
116
117
118 v
119
120
121
122
123
124
125
126

ASCII ROW

@

A

B

C

D
E
F

G

H 0
I

J

K 3
L
M 5
N 6

0

P

a

R
S

T

U
V
W
X
Y
Z

[

16
17
18
19
20
21
22
23

1
2

4

7
8

9
10
11
12
13
14
15
16
17
18
19
20

)

"

A

"

a

b

21
22
23

0

1

2

c 3

d

e

f 6

9

h 8
i 9

1

k

I

m

n

0

P

q

4

5

7

10

11
12
13
14
15
16
17
18

s

t

u

19
20
21
22

w

x

Y

z

{ 3

I

I

}

"....."

23

0
1
2

4
5
6

COLUMN

64
65
66
67
68
69
70
71
72
73
74
75
76

77

78
79

0
1
2
3
4
5
6
7
8

9
10
11
12

13
14
15
16
17
18
19

20

21
22
23

24

26

27

28

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

7.3 CHARACTER SETS

•••

••

••

• •

• • •

•

• •

I.
I.

•

•• ••

o CTRL @

9

CTRLI

*

•

• •

•••

1 CTRL A

•

A CTRL J 8 CTRL K

•

•

•

• •

•

•

•

•

2 CTRL a 3 CTRL C 4 CTRL D 5 CTRL E

•

• •

•

•

••

••

12 CTRL R

••

••

I.

•

18

CTRL [

•

I.

•

•

•••

••

•

I.

• • •

24 25

•

13 CTRL S

••

•

•

•

1C CTRL \

•

•

• • • • •

•

•

•

•

•

•

14 CTRL T

I.

i.

10

.CTRL

•

26

I.

] 1E

I.

•

•

••

••

20

2E

•

•

• •

•

•••

•

••

•

37 38

•

• • •

• •

36

•

•

• • •

Ie.

•

•

• •

•

• • •

~

.

•

2F

•••

•

• •

• • •

•••

••

•

•

•

•

•

•

•

3F

40

41

••

•

•

I.

•

Ie

•

•

I.

•

C CTRL L

•

•

•

•

•

• •

•

• •

•

•

••

•••

••

o CTRL M

••

• •

15 CTRL U

• •

•••

• •

•

•

•

CTRLA

•

•

27

••

•••

•

•

Ie

•

• •

•

• • •

••

••

30

•

••

••

39

•

•

•

• •

•••

•

• 1

••

••

42 43

16 CTRL V 17 CTRL W 18 CTRL X

••

••

••

••

•

•

•

• •

••

1F

CTRL_

•

•

•

••

•

••

•

•

•••

•

i

28

•

••

• •

•

•

•

•

•

•

•

•

•••

••

31

••

3A

I.

• •

•

•

•

••

• •

30

•

•

•

•

•• ••

E CTRL N

••

•

•

•

• •

20

• •

• •

,.

29

••

•••

•

• •

32

38

44

I.

•

••

••

•••

••

•

•

*

Null

Character May

Be Represented By

Tiii

• •

•

•

•

•••

6 CTRL F 7 CTRL G

F CTRL 0

•

•

••

•••

10 CTRL P

••

••

••

•

• • •

I.

19 CTRL Y

•

•

21

•

2A

•• • ••

•

• •

•

••

33

•

••

••

•••

22 23

• •

28

I.

•

• •

~

•

••

34

•

•

I-

••

•

•

•

•

3C

45

30

•

•

••

Ii:

46

•

•

o

• •

•••

••

•••

•••

•••

•

•••

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•

••

I •
I- I-

Ie

•

•

.1

.

•

•

•

•

•

•

•••

••

8 CTRL I

j--

11

CTRL C

• •

•

• •

•

1A

CTRL,

•

•

• 4

••

••

••

••

2C

1.le

lelele

•

•

•

••

35

•

•

•

II

3E

•••

•

•

•

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47

4

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•

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ele

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•

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49

52

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64

60

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53

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65

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77

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50

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70

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40

56

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71

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69

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72

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58

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61

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59

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62

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70

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-

7F

31

7.4 TABLE OF THE ASCII CODES

..

CD

U

-

~

t!

II:

as

...

s:.

(.)

(.)

@

NUL 00000000
SOH

A

STX 00000010

B

ETX

C

EOT

D

ENQ

E

ACK 00000110

F

BEL

G

BS

H

I HT

LF

J

VT

K

L FF 00001100

~R

M

f'.4

SO
SI

0

P DLE
Q

DC1

R

DC2
DC3

S
T

DC4
NAK

U

SYN

V

ETB

W

X CAN 00011000
Y

EM
SUB 00011010

Z

[

ESC

\

FS

]

GS

A

RS

-

US
SP

I

"

#
$

%

& 00100110
( 00101000

)

*

0

~

-

1'0

as

c

--

iii iii iii

00000001
00000011

00000100
00000101

00000111
00001000
00001001
00001010
00001011

00001101
00001110
00001111
00010000
00010001
00010010
00010011
00010100
00010101
00010110
00010111

00011001
00011011

00011100
00011101
00011110
00011111
00100000
00100001
00100010
00100011

00100100

00100101

00100111
00101001

00101010

'ii

E

'ii

()

u

CD

-

C

0

000

000
001 001
002 002
003 003
004 004

005

005

006

006
007 007
010

008
011

009
012

010
013

011
014

012
015 013
016 014
017 015
020 016

021

017

022

018

023

019

024 020
025

021

026

022

027 023
030 024
031

025

032 026
033 027
034 028
035 029
036 030
037

031

040

032

041

033

042

034

043

035

044

036
045 037
046 038
047

039
050

040
051

041
052

042

'ii

E

()

CD

'g

as

><

CD

::E:

00
01
02
03 00101110
04
05
06
07
08
09
OA
OB
OC
OD
OE
OF

10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A

..

CD

U

-

t!

as

s:.

(.)

+

I

0
1
2 00110010
3

4 00110100
5
6 00110110 066

7
8 00111000 070
9

,

<

>

?

@

A

a

C

D

e

0

~

-

1'0

as

c

--

iii

iii iii

00101011

00101100

00101101
00101111

00110000
00110001

00110011
00110101
00110111
00111001

00111010
00111011
00111100
00111101
00111110
00111111
01000000 100
01000001
01000010
01000011
01000100
01000101

R 01000110

G

01000111
H 01001000 110
I

01001001

01001010

J

01001011

K
L 01001100

01001101

M
N 01001110

01001111

0
P 01010000

01010001

Q

01010010 122

R
S

01010011

T 01010100

01010101

U

'ii

E

'ii

()

u

CD

-

C

0

053

043

054

044
045

055

046

056
057

047

060

048

061

049

062

050
051

063
064

052

065

053
054

067

055
056

071

057
072 058
073 059
074

060
075

061
076 062
077

063
064

101

065

102

066

103

067

104

068

105

069

106

070

107

071
072

111

073

112

074

113

075

114

076

115

077

116

078

117

079

120

080

121

081
082

123

083

124

084

125

085

'ii

E

()

CD

'a

as

><

CD

::E:

2B
2C
2D
2E
2F Z 01011010
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F j
40

41

42
43

44
45
46

47

48

49

4A

4B

4C

4D

4E

4F

50

51
52

53

54

55

..

CD

U

-

t!

as

s:.

(.)

V 01010110

W

X 01011000
Y

[

\

]

/\

a
b
c
d
e
f 01100110
g
h 01101000
i

k
I 01101100
m
n 01101110

0

P

q
r
s
t
u
v 01110110
w
x

Y

z
{

I
I

}

""'-"

DEL

~

S

C

__

as

I'

°

iii iii iii

01010111
01011001
01011011

01011100
01011101
01011110
01011111
01100000
01100001
01100010
01100011
01100100
01100101

01100111
01101001

01101010
01101011

01101101
01101111

01110000
01110001
01110010
01110011
01110100
01110101

01110111
01111000
01111001
01111010
01111011
01111100
01111101
01111110
01111111

'ii

E

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u

CD

-

0

C

126

086

127

087

130

088

131

089

132

090

133

091

134

092

135

093

136

094

137

095

140

096

141

097

142

098

143

099

144

100

145

101

146 102

147

103

150 104

151

105
152 106
153 107
154 108
155 109
156 110
157

111
160 112
161

113
162 114
163

115
164 116
165 117
166 118
167 119

170 120
171 121
172

122
173 123
174 124
175 125

126

176
177 127

'ii

E

()

CD

'g

as

><

CD

l:

56
57
58
59

5A
5B
5C
5D
5E
5F

60
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F

70
71
72
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
7F

CTRL

ABBR.

@

NUL
SOH

A

STX

B

ETX

C

EOT

D

ENQ enquiry P DLE

E

ACK acknowledge Q

F

BEL

G

BS

H

I HT

J LF

DESCRIPTION

null,

or

all zeros

start

of

heading

start

of

text

end

of

text

end

of

transmission

bell
backspace
horizontal tabulation T
line feed

CTRL ABBR.

K VT

L FF
M
N
0

R
S

U

CR
SO
SI

DC1
DC2
DC3
DC4
NAK

DESCRIPTION

-

vertical tabulation

form feed

- carriage return
shift

out

shift

in

link escape

data
device control 1
device control 2
device control 3
device control 4
negative

acknowledge

32

(X
(X

CTRLABBR.

V

W

X
Y

Z SUB

ON)
OFF)

\

/\

SYN
ETB

CAN cancel

EM

[

ESC
FS

]

GS

RS
US

SP

DEL

DESCRIPTION
synchronous idle
end

of

transmission

end

of

medium
substitute
escape
file separator
group separator
record separator
unit

separator
space
delete

blc

8.0 WARRANTY AND SERVICE INFORMATION

a)

The ACT-5A requires no maintenance and should perform faithfully for many years. MICRO-TERM

will

repair any unit which fails within the original warranty period provided that no modifications

have been performed on the circuit, other than the jumper modifications

b)

The ACT-5A is accompanied by a limited one year warranty. For in-warranty service, the user may
elect

to

return either the defective board
TERM
and freight

it

c)

Beyond the warranty period MICRO-TERM will charge a nominal fee for the repair
complete technical manual including s.chematic, theory
available
of your ACT-5A can

will return in-warranty repairs freight prepaid for the first ninety days

collect thereafter. The video display module is

is warranted by its manufacturer for ninety days and likewise by MICRO-TERM, Inc.

to

owners of the ACT-5A. Any further information relating to the operation

be

obtained by writing directly to: TECHNICAL STAFF

or

the entire

unit

MICRO-TERM,INC.
1314
St. Louis, Missouri 63144
314-968-8151

9.0 CUSTOM MODIFICATIONS

MICRO-TERM is one of the few computer terminal manufacturers that will modify its standard ter­minals

to

exact customer specifications--even for quantity one. Write for information.

outlined in this manual.

to

the factory, freight prepaid. MICRO-

of

the warranty period

an

exception

of

operation and timing diagrams is

Hanley Industrial Ct.

to

this

one year warranty;

of

any ACT-5A. A

or

interfacing

33

NOTES

,10.0 SUGGESTION SHEET

MICRO-TERM, Inc. maintains a

I

I Please

publications.

comment

To

do

this

effectively we need user feedback--your critical evaluation

on this manual's completeness, accuracy, organization, usability and readability.

I

I

,

I

I Did you find errors in this manual?

I

I

I

I How can

I

this

manual be improved?

continuous

______________________

______________________

effort

to

improve the

quality

and usefulness

of

this

manual.

of

its

_

_

: I

,

I

I

I
I

I

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Please describe your
Name

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Street
City

PLEASE SEN D TO:

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position

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Organization

Department

State

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MICRO-TERM, INC.
1314 HANLEY INDUSTRIAL COURT
ST.

LOUIS, MO. 63144

ATTENTION: TECHNICAL PUBLICATIONS STAFF

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35