DP3090982F_ADM_42_Maintenance_Manual_Sep82 DP3090982F ADM 42 Maintenance Manual Sep82
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DP3090982F_ADM_42_Maintenance_Manual_Sep82 DP3090982F_ADM_42_Maintenance_Manual_Sep82
User Manual: DP3090982F_ADM_42_Maintenance_Manual_Sep82
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ADM 42 Ergonomic Terminal™
Video Display Unit
Maintenance Manual
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
714 NORTH BROOKHURST STREET, ANAHEIM, CALIFORNIA 92803
ADM-42
Data
Display Terminal
L.EAA SIEGLER. INC.
MAINTENANCE
MANUAL
OP3090982F
C1982 LEAR SIEGLER. INC.
SEPTEMBER 1982
_ _ _ LEAR.SlEGLER. INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS
SECTION
I
PAGE
GENERAL DESCRIP1'ION ............................................... 1·1
1.1
INTRODUCTION. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1·1
1.2
PURPOSE AND USE ................................................. 1·1
1.3
PHYSICAL DESCRIPI'ION ........................................... 1·1
1.4
OPERATIONAL DESCRIPTION ..... ~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1·1
1.5
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 1·1
l.5.1 Memory Extension Option ............. ; ......................... 1·1
1.5.2 Direct Connect Opaon .......................................... 1·1
1.5.3 Answer Back Memory Option ................................... 1-3
1.5.4 Alternate Character Generator Set Option ....................... 1-3
1.5.5 TCU Desk Mount Option ........................................ 1-3
1.6
ADDITIONAL OP'rIONS ............................................. 1·3
1.6.1 Standard Option Board Features ................................ 1·3
1.6.1.1 Serial Printer Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1·3
1.6.1.2 31·Character Flinction Key Option ..................... 1-3
1.6.2 Polling and Addressing Option ........................................ 1-4
1.6.3 63-Character Function Key Option .......................•.............. 1-4
1•.7
n
RELA.TED DOCUMEN'I'S • • • • •.. • . • . • . . • . . . . • . . . . . • • • . . • . • • . . . • . • • • . . .• 14
INSTALLATION ............................. ~ ................•............ 2~1
2.1
INTRODUC'rION. . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2·1 .
2.2
SAFETY REQUIREMEN!l'S ................ : .................... ~ ..... 2-1
2.3
SITE REQUIREMENTS ............................................... 2-1
2.4
INITIAL PREPARATION ............................................. 2-1
2.4.1 Line Voltage Selection .......................................... 2-1
2.4.2 Configuration Control Dip Switch Settings ...................... 2-3
2.4.2.1 Main Board Switches ................................. 2-3
2.4.2.2 Option Board DIP Switches ........................ :.. 2-3
_ _ _ _"LUILSIEGLER. INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (confd)
SECTtON
PAGE
2.5
IN'TERPACE IN'FORM,ATI.ON ...••..•.•..•
2.5.1
Standard or RS-232C Extension Interfacct .•••••••..••••••..•.•
2.5.2 C1IEr8Dt ~p ID.'terface ••••••••••••••••
2.5.3
Direct' CODDeC't In.1:erfa.ce .••••••.. ". . . • • • • • • • • • • • • • • . • • • • . . . . . •.
2.-11
2,.11
e· • • • • • • • • • • • • • • • • • • • • • • • • •
"2!-1l
e" . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.4
2,..11
~11
Pri:D1:er In"te!face .•.••••••.••••.."• • • • • . • • • • • • . • • • . • . . . . . • . . • • . ..
2.6
IN"STALLIN"G TIm .ADM 42 •.•..•.••.•.•••..•....••.....•.•.••...•.• 2-11
2.7
POWER roM-ON .................................................. . 2·16
2.8
POWER· TURN-OFF .' .•......
2.9
2-16
e· • • • • • • • • • • • • • • • • • • • • "• • • • • • • • • • • • • • • • • • • . •
CARE OF THE ..ADM· 42 ..•................... ~ ...•................... 2-17
Cleaning .................:................................... 2-17
Inspection ... . . . . . . . . . . . . . . . . . . __. . . . . . . ... . . _. . _. . . • . . _. . . . . . . 2.-17
2.9.1
2.9.2
In
FUNCTtONAL DESCRIPl'ION ........................................... 3-1
3.1
INTROPUC'rION ...................... _•... _. _............ __ . _....
3.2
OPERATIONAL DESCRIPTION . . . . . . • • . . . . . . • . . . • • . • . • • • • . . • . .. . . . .• 3-2
3.2.1 oKeyboard. ••••••••.•••••••••••••••••••••••••••••••••••••••••••••. 3-2
_
3-1
3.2.2
Con'trol Section. (MPU) ....•.•.......•..•.•..................•... 3-2
3.2.3
3.2.4
Video !..ogic and Control ........................................ 3-2
Interface Section ................................................ 3·2
System. Configuration Switches ................................. 3-2
Regulated Power Supply ........................................ 3-4
3.2.5
3.2.6
IV
0 ••••
3.3
STANDARD CHARACTER FORMAT .......•.............•........... 3-4
3.4
.ADM 42 WORD SmUCTURE: . • • • • • . . • . • . • • • • . . • • • . • • • • • • • • • • • . • • • • . .. 3-4
3.5
DATA TRANSMISSION CHARACTERISTICS . . . . . . • . . • . . . . . . . . . . . . .. 3-43.5.1 Conversation MOOe Characteristics ....... _.... __ .... _.. _.......... 3-4
3.5.2 Block MOOe Characteristics ..................•.................. 343.5.3 .ADM 1 MOOe Characteristics .....••...............•............. 3-7
3.6
PRINT MODE TRANSMISSION CHARACTERISTICS. . . . . . . . . . . . . . .. 3-7
3~6.1
Formatted Print Mode .......................................... 3-7
3.6.2 Unformatted Print Mode ........................................ 3-8
3.6.3 Copy Print Mode ................................................ 3-8
3.6.4
Buffered. Print Mode ............................. _............. _3-9
OPERATION .................................................................. 4-1
4.1
INTRODUCTION .. 0- - . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4--1~..../
Ii
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (cont'd)
SECTION
PAGE
4.2
CONTROL CODES AND OPERATING MODES. . . . . . . . . . . . . . . . . . . . . .. 4-1
4.2.1
Stan.dard Control Codes ......................................... 4-1
4.2.2.
Escape Sequence ................................................ 4-1
4.2.3
Terminal RESET Operations .................................... 4-4
4.2.3.1 Power ON RESET .................................... 4-4
4.2.3.2 RESET Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-5
4.2.3.3 Firmware RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-5
4.2.3.4 Selected Operational RESETS . . . . . . . . . . . . . . . . . . . . . . . .. 4-5
Multiple Escape Sequences ...................................... 4-5
4.2.4
Keyboard Enable/Disable ...................................... .4-5
4.2.5
Scrolling ........................................................ 4-5
4.2.6
Display of Program Version ..................................... 4-6
4.2.7
Status Ltne ~aracteristics ..................................... 4-6
4.2.8
4.2.8.1 Status Indicator Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-6
4.2.8.2 Status Ltne Message Control . . . . . . . . . . . . . . . . . . . . . . . . .. 4-6
4.3
FUNCTION KEY (FUNKEY) CHARACTERISTICS .......... . . . . . . . .. 4-6
4.3.1' Displaying FUNKEY Messages ................................. 4-6
4.3.2
Storing FUNKEY Messages ........•........................ ; ... 4-6
4.3.3
linking FUNKEY Messages .................................... 4-9
4.3.3.1 Storing Extra-Length FUNKEY Messages ............ 4-10
4.3.3.2 Ltnking Multiple Commands . . . . . . . . . . . . . . . . . . . . . . . .. 4-11
Erasing FUNKEY Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-11
4.3.4
Evoking FUNKEY Messages ................ " ................ 4-11
4.3.5
4.4
FORMAT CONTROL OPERATIONS .................................
Program Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
4.4.1
Protected Fields and Modes ................. ~ .................
4.4.2
4.4.2.1 Write Protect Mode ...................................
4.4.2.2 Protect Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
4.4.2.3 Designated Protected Field ...................... ~ ....
4.4.2.4 Selected Protected Fields .............................
4.4.3
Auto Page Mode ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
I.imited Graphics Mode .......................................
4.4.4
4.4.5
Write ~aracter "fi' "N" Times ............................... ~
4-11
4-12
4-12
4-12
4-12
4-12
4-12
4-13
4-13
4-13
4.5
CURSOR CONTROL OPERATIONS .................................
4.5.1
Non-Addressed Cursor Positioning ....................... : ....
Absolute Cursor Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
4.5.2
4.5.2.1 Load Cursor Operation ...............................
4.5.2.2 Read Cursor Operations ..............................
4.5.2.3 Go To Page "N" Operations ..........................
4.5.3
Tab Control ..................................................
4.5.3.1 Protect Mode Tab Operations .........................
4.5.3.2 Typewriter Tab Mode Operations .....................
4.5.3.3 Modulo Tab Mode Operations ........................
4-13
4-13
4-13
4-13
4-14
4-14
4-18
4-18
4-18
4-18
iii
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (cant' d)
PAGE
SECTION
V
4.6
DATA EDITING CONTROL OPERATIONS. . • • . . . . . . . . . . . . . . . . . . . . .. 4-18
4.7
DATA TRANSMISSION CONTROL OPERATIONS .................. 4-21
4.7.1
Block Mode Send ............................................. 4-21
4.7.2 Dynamic Baud Rate Control .........•........................ 4-21
4.8
PRINT TRANSMISSION CONTROL OPERATIONS ................. 4-23
4.9
PERSONALITY CONTROL ..........................................
4~9.1
Display of Personality Codes.. . . . . . . . .. . . . . . . . . . . . . . .. . . . . . . • ..
4.9.2 Dynamic Personality Change Codes. . . . . . . . . . . . . . . . . . . . . . . . . ..
4.9.2.1 Modification of Escape Lead-In Character ......... : ..
4.9.2.2 Modification of End Block Character(s) ...............
4.9.2.3 Modification of New Line Character(s). . . . . . . . . . . . . . ..
4.9.2.4 Modification of Field Separator Character ............
4.9.2.5 Modification of FUNKEY Lead-In Character .........
4.9.2.6 Modification of Parity Error Replacement Character ..
4.9.2.7 Modification of Clear/Erase/InsertiDelete
Replacement .. '..........' ...........................•.
4.9.2.8 RTS START Delay Control ...........................
4.9.2.9 RTS OFF Delay Control. . . . . . . . . . . . . . . . . . . . . . . . . . . ....
4.9.2.10 Polling Option Variant Control .......................
4.9.2.11 Polling Transmission Number Limit Control ..........
4.9.2.12 Power·Up Tab Mode Control .........................
4.9.2.13 Special Function Control Byte E ......................
4.9.2.14 Status Line Attribute Control Byte F .................
4.9.2.15 Special Function Control Byte 10 ......... ~ . . . . . . . . . ..
4.9.2.16 Special Function Control Byte 11 . . . . . . . . . . . . . . . . . . . ..
4·23
4-23
4-23
4-23
4-23
4-23
4-25
4-25
4-27
4.10 VIDEO ATl'RIBUTE CONTROL OPERATIONS ........•.•..........
4.10.1 Cursor and Video Control. .. .. .. . • .. .. .. .. . .. .. .. . .. . .. .. . . ...
4.10.2 Displayable Character Video. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
4.10.3 ADM 421 ADM 2 Attribute Mode Control ............•.........
4-31
4-31
4-35
4-35
4-27
4-28
4-28
4-28
4-28
4-28
4-31
4-31
4-31
4-31
POLLING AND ADDRESSING ...............................•........... 5-1
5.1
ADM 42 POLLING .............. : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1
5.1.1 Setting ADM 42 Address ........................................ 5-1
5.1.2 Establishing Polling Operations ................................ 5-1
5.1.2.1 Setting Up Terminal .................................. 5-1
5.1.2.2 Monitor Mode Operation .............................. 5·2
5.1.2.3 Enabling Keyboard ................................... 5-2
5.1.3 Removing Terminal from Polling Status ......................... 5-2
5.1.4 Initiating Standard Polling Sequence ........................... 5-2
5.1.5 POLL Responses ................................................. 5-3
iv
_ _ _ _ LEAR-SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (cont'd)
SECTION
PAGE
5.1.6
5.1.7
5.1.8
5.1.9
5.1.10
5.2
VI
SELE:CT Responses-. . . . . . . . . . ~ . . . . . . . . . . . . . . • . . • . . . . .-. . . . . . . . . . . 5-5
SEQUENTIAL SELECT Responses ............................. 5-5
FAST SELE: CT Responses ..............•....................... 5-6
BROADCAST SELECT Responses .............................. 5-6
SEND Responses ............................................... s..6
SPECIAL POLLING OPERATIONS ..................................
5.2.1 GROUP POLL Operation .....................................
5.2.2 GROUP SELECT Operation,s .................................
5.2.3. MULTI-POINT CONTENTION Operations ...................
5.2.4 Addressable Printer Port Operations ..........................
5.2.5 Polling Communications Buffer Operations ...................
5-12
5-12
5-13
5-13
5-13
5-14
.
THEORY OF OPERATION ............................................... 6-1
6.1
GENERAL DESCRIPrION ........................................... 6-1
6.2· FUNCTIONAL DESCRIPTION ................................ ;...... 6-2
6.3
VII
VIII
DETAILED BLOCK DESCRIPTION ..........•....................... 6-5
6.3.1 CPU Section .................................................... 6-5
6.3.2 External Interface Section .................................... 6-11
6.3.3 System Memory Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-13
6.3.4 Video Display Section. . . . . . .. . . . . . . .. . .. . . . . . . . . . . . . . . . . . . . . .. 6-17
6.3.5 Keyboard Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-21
6.3.6 System Configuration Switches ............................... 6-25
6.3.7 External Bus Buffers ......................................... 6-26
6.3.8 Option Board . • . . . . . . . . . . . . . . . . . . . . • . . . . • . • . . • . . . . . . . . . . . . . . .. 6-26
MAINTENANCE ...........................................
e_ • • • • • • • • • • • • • • •
7-1
7.1
INTRODUCTION ..................................................... 7-1
7.2
PREVENTIVE MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7-1
7.3
SWITCH SETTINGS .................................................. 7-1
7.4
CORRECTIVE MAINTENANCE ...................................... 7-3
7.4.1 Problem Identification .......................................... 7-3
7.4.2 Removal and Replacement .......... ~ ........................... 7-5
DRAWINGS ................................................................ 8-1
v
_ _ _ _ LEAB.SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (cont'd)
LIST OF FIGURES
PAGE
FIGURE
1-1
1·2
2~1
2,.2
2-3
2-4
2·5
2-6
2·7
2-8
2·9
2·10
3-1
3-2
3-3
4-1
4-2
4-3
4-4
4-5
4-6
4-7
5-1
5-2
5-3
5-4
5-5
5-6
6-1
6-2
6-3
6-4
6-56·6
6-7
6-8
6·9
6·10
6·11
6·12
ADM 42 Video Display Terminal. . . . • . . .. . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . x.
ADM 42 Character Format (By Ascending ASCII Codes) with HEX Code.. 1-2
ADM 42 Mounting Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-2
ADM 42 Front Panel Controls and Indicators ............................. 2-4
Connector and DIP Switch Locations on Main Logic Board. . . . . . . . . . . . . . .. 2·5
Connector and DIP Switch Locations on Option Logic Board .............. 2-6
Typical ADM 42 Application ...........•................................. 2-12
ADM 42 Rear Panel Controls ............................................ 2·13
MODEM and RS-232CExtension.-Interface Logic ......................... 2·14
Current Loop Interface Logic ............................................. 2-15
Direct Connect Interface Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2·18
Printer Interface Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-18
ADM 42 Data Flow Block Diagram ....................................... 3-3
Displayable Character Set and Control Codes ...... : ...................... 3-5
Word Format Codes with DIP Switch Configurations ...................... 3-6
. Chart of Escape Sequences ................................. ~ . . •. . . . . . . . . .. 4-2
Sample FUNKEY Message Format and Store Codes. . . . . . . . . . . . . . . . . . . . . .. 4-7
Limited Graphics Mode Symbols ....................................••... 4-14
Chart of ASCII Characters VB. Modulo Numbers •........................ 4-15
Absolute Cursor Addressing Operation Codes ............................ 4·16
Display of Standard Personality Byte Values. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4·24
Chart of Recommended RTS OFF Delay Times ........................... 4·30
POLL Function Dialogue, Flow Diagram .................................. 5-4
SELECT Function Dialogue, Flow Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5·7
SEQUENTIAL SELECT Function Dialogue, Flow Diagram ... . . . . . . . . . . .. 5-8
FAST SELECT FUNCTION Dialogue, Flow Diagram . . . . . . • . . . . . . . . . • . . .. 5-9
BROADCAST SELECT Function Dialogue, Flow Diagram ............... 5-10
SEND Function Dialogue, Flow Diagram. . . . . . . . .. .. .. . . . .. . . .. . .. .. . • . .. 5-11
ADM 42 Simplified System Block Diagram .•.............................. 6-3
CPU Section Detai1e<,i Block Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-6
MPu Block Diagram. . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6·7
MPU Flow Chart ..... "............ . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-9
System Timing and Two Phase Clock ...................... , '" .......... 6-10
External Interface Section Block Diagram ................................ 6-12
System Memory Board ................................ ; .................. 6-14
Video Control Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-16
Keyboard Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-23
PIA Block Diagram ........................................................ 6-24
System Configuration Switches .......................................... 6-25
Option Board Block Diagram ............................................ 6·27
vi
_ _ _ _ LEAR, SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF CONTENTS (cont'd)
UST OF FIGURES (confd)
fiGURE
1·1
7·2
7·3
7-4
7-5
7-6
PAGE
Removing the Plunger ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7-8
Insertion Tool Guideway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7·9
Placing the Solid Contact in the Insertion Tool ........................... 7-10
Inserting the Spilt Contact in the Insertion Tool .......................... 7-11
Placing the Insertion Tool into the Guide ................................. 7·12
Replacing the Plunger ................................................... 7-13
LIST OF TABLES
PAGE
TABLE
1-1
2·1
2·2
4-1
4-2
4·3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4·17
4·18
7-1
ADM 42 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-5
Main Logic Board Configuration Control Switch Settings. . . . . . . . . . . . . . . . .. 2·7
Option Logic Board Configuration Control Switch Settings. . . . . . . . . . . . . . .. 2-9
Control Codes Utilized by Standard ADM 42 .............................. 4-3
Chart of Assigned Status Line Positions .................................. 4-8
Status Code Control Operation Codes ..................................... 4-8
Status Line Message Control Operations .................................. 4-9
Function Key/FUNKEY Characteristics ................................. 4·10
Chart of Cursor Control Operations ...................................... 4-17
Data Editing Control Operations ..............•.......................... 4·19
Data Transmission Control Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-22
Dynamic Baud Rate Control Operation Codes .........•.....•............ 4-25
Print Transmission Control Operations .................................. 4-26
Polling Option Variant Byte B Operations ............................... 4·29
Power·U p Default Modulus Tabs Byte D. . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . .. 4-30
Special Function Control Byte E Operations. . . . . . . . . .. . . . . . . . . . . . . . . . . . .. 4-32
Status Line Visual Attribute Control Byte ~ Operations .................. 4-33
Special Function Control Byte 10 Operations ............................. 4-34
Special Function Control Byte 11 Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4·35
Video Attribute Control Operation Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4-36
Operation Codes for ADM 421 ADM 2 Attribute Mode Control. ; ........... 4-36
ADM 42 Troubleshooting Guide ........................................... 7-4
vii
_ _ _ LEAR_SIEGLER, INC.
DATA PRODUCTS DIVISION
TABLE OF
CONTENT~
(cont'd)
APPENDIX A
Operators Quick Reference Guides
APPENDIXB
TTL Data Display Monitor 120/150
APPENDIXC
Factory Service and Maintenance Information
viii
_ _ _ _ LEAR-SIEGLER. INC.
DATA PRODUCTS DMSlON
PREFACE
This Maintenance Manual provides all the information required to
perform routine and cOJTective maintenance on the ADM 42 Data
Display Terminal. The instructions and information may also be used
to aid operational personnel in the installation, operation, and care of ...
the ADM 42. All operator controls are described in detail, and remote
programming considerations are presented in sufficient detail to
enable an e%perienced operator to use the equipment efficiently when
confronted with non-standard applications.
The major topics described in the· manual include:
Section 1
Genera.l Description .
Section 11
Installation
·Sectionm
Functional Description
Section IV
Operation
Section V
Polling and Addressing
Section VI
Theory of Operation
Section VII
Maintenance
Section VI11
Drawings
Appendi% A
Operator's Quick Reference Guides
Appendi% B
TTL Data Display Monitor 1201150
Appendi% C
Factory Service and Maintenance Information
Inde%
ix
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
SECTION I
GENERAL DESCRIPTION
1.1
INTRODUCTION
1.4
SPECIF1CATIONS
Thia section describes and li8ia the specijicatiOD.8 .
of the Lear Siegler ADM 42 Ergonomic Terminalnt
Video Oiaplay Unit (see ftpn I-I), alone with
Table 1-1 lists the specifications of the ADM 42.
available optiolUL
1.5
1.2
The ADM 42 can be equipped with several
optional ieatuns, each requiring additions andl or
alterations to the standard terminal
contiguation.
.
PURPOSE AND USE
There an n1llDeI'OU applicatiou of the ADM 42
all iDvolviD.. the trazwt.. of data. Data traD.sfer,
iD lOme app1icatiOD.8, may be almoet ezcluive1y
unidirectional; either from the ADM 42 to the
computer, or from the computer to the ADM 42. A
more frequent application of the ADM 42.
bowever. is one in wbich an operator
. communicates with a computer, and the computer
responds iD accordance with ita stored prolftlL
1.3
DESCRIPTlON
The ADM 42 Video .Dieplay Unit is a stand-
alone terminal, consistine of a Terminal Control
Unit (TCu), Keyboad Unit, and Monitor Unit.
The TCU contains the lolic circuitry. baud rate
switches, power supply ON/OFF switch, cabling,
andintenace connectors. The keyboard and the
monitor are self-contained and each may be
physically moved several feet away from the TCU
without interrupting operations. The monitor
display screen is a 15-inch diagonal CRT.
The display format consists of 80 characters x 24
lines, plus a 25th status line. Figure 1-2 shows
the standard 128-character format for the ADM
42.
1.5.1
0PT10NS
Memory Extension Option
The Memot'1 Extension Option eztends the basic
RAM memot'1 capability from 4 pages (8K·bytes)
to 8 pages by the addition of 8-K bytes of memot'1.
1.5.2
Direct Connect Option
The Oinc:t Connect c:ircuii contains a liDe
iDiarface ued to connect CRT data termjnals to
computer I/O chann.... The iDterface is operated
iD the half-duplex polliD. mode. It may be aeed
with up to nine adGitional iDterface circuita of the
same type connected on one line. The followine
specification defines the DC interface.
RE~RPERFORMANCE
Input (DC LINE)
Maximum Receive Rate ............ 9600 BAUD
Maximum Line Length ............... 1000 Fr.
Marking Signal Level ................... ·12:1 V
Spacing Signal Level ...•............. . O+I/·2V
Recaive Threshold ...........•..•....•... 6:t1 V
::n
IQ
c:
Cal
..
NUL
,.
OLE
II
SOH
u
m
u
me
~.......
.
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iNa
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,
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aua
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r
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IT
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r
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i')
7C
_ _ _ _ U!AR SIEGLER. INC.
DATA PRODUCTS DMSlON
Output (DCRCV)
1.5.5- TCU Cesk Mount Option
TTL Compatible ..................... 2 LOADS
The TCU Desk Mount Option allows the three
separate ADM 42 assemblies (TCU, Keyboard
Assembly, and Monitor Assembly) to be
individnally mounted on a desk. This option is
supplied. in kit form only, for customer
inatallation.
Gate Inputs (RTS/ & XRTSI)
TTL Compatible ..•................•.. 1 LOAD
TRANSMITtER PERFORMANCE
1.6
Input (DC SEND)
ADDITIONAL OPT10NS
This group of options involve the installation of
an option logic board in addition to the main logic
board in the AD M 42. Certain standard option
board features are included with the installation'
of the option board. Several other optional
capabilities may be selected in addition to these
standard features.
Maximum Transmission Rate ...... 9600 BAUD
RS232 Voltage Level~ .............. +6 To + 12V
Output (DC UNE)
Maximum Line Length ............... 1000 FT.
Marking Signal Level .............. ·12+O.S/.oV
Spacing Signal Level .............. .'. 0+0/ -O.SV
1.6.1 Standard Option Board
Features
1.5.3 Answer Sack Memory
Option
Installation of the option board includes a Serial
Printer Port Option and a 31-Character Function
Key Option.
The Allswer Back Memory Option allows the
ADM 42 to respond to an ENQ input either from
the host, or the keyboard. The answer back
message is· stored in a PROM which is
programmed (up to 30 characters in length) in
accordance with the user's requirements.
1.6.1.1 Serial Printer Option
The Serial Printer Option allows the ADM 42 to
be connected to an asynchronous serial printer via
the PRINTER port. Included in the option is the
ability to program the port so that the printer
connected to the port may be controlled directly
from the host computer. without otherwise
affecting ADM 42 operation.
1.5.4 Alternate Character
Generator Set Option
The Alternate Character Generator Set Option
permits the ADM 42 to display data in many
different fonts and languages. A RO M determines
the font and/or language to be displayed on the
monitor.
When necessary, this option is
supplemented by replacement key caps.
1.6.1.2 31-Character Function Key
Option
The 31·Character Function Key Option provides
the capability of storing in memory 31 characters
under each function key Fl thru F16. Using
SHIFT in conjunction with any key Fl thru F16
extends the storage capacity to an additional 16
keys, or 32 in all.
To provide the ADM 42 with a limited graphics
capability, a graphics ROM is available for
drawing forms and continuous lines.
1-3
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
1.6.2 Polling and Addressing
Option
baud rate. No other ADM 42 operation is affected
during this operation.
The Polling and Addressing Option allows the
ADM 42 to accommodate the following polling
mod..: Standard Poll. Select, Sequential Select,
Fast Select, Broadcaai Select, Group Poll/Select
and Multipoint Contention. Logic-board mounted
DIP switches are provided to permit a user
selected terminal address conaisiing of two ABell
characters. When active in a polling environment,
the ADM 42 is prevented from initiating
transmission of data except under the control of
the network control center. The Polling and
Addressing Option may be disabled by setting the
appropriate DIP switch to OFF.
1.6.3 63-Character Function
Key Option
The 63-Character Function Key Option provides
the capability of storing in memory an additional
32 characters under each function key Fl thn
F16. giving a total of 63 characters. UsingSHIFr
in conjunction with any key, Fl thru F16 extends
the storage capacity to an additional 16 keys or 32
in all.
1.7
With Polling Option iIUltalled. it is possible for the
host to enable or address the PRINTER port
(when installed) and send a message to the
terminal's addressable print buffer at theterminal's communication rate. The buffered data
. may the~ be read out to the printer at the printer
RELATED DOCUMENTS
a. ADM 42 Operators Quick Reference Manual
DPllO.
b. ADM 42 Maintenance Manual DP309.
c.
1-4
AD~
42 illustt'ated -Parts Catalog DP71Q
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 1-1. Specifications
Edit Ksys: Character insert. character delete. line
insert. line delete. line erase. page erase. clear
space. clear nUll. page edit
DISPLAY
CRT Screen:
15-inch diagonal. P4 Phosphor
with. non-glare faceplate
Functional Command K.ys: Break. Start of Message.
End of Message. ESCape. Conversation/Block
Mode. Program Mode. Write Protect Mode. Protect
Mode. Reset/Command. RUBout (delete). Control.
New Une. Tab/Sack Tab. Page Forward. Page
Back. Tab set/clear, Send Line. Send Page. Send
Message and Print
Refre., Rate: 50 Hz or 60 Hz. depending on line
frequency. non-interfaced
Horizontal Rate: 19.2 kHz
Four Page Display: 2000 characters per page
Display Format:
Function Ksys: 16 function keys shiftable to 32. Each
key transmits SOH an ASCII character & carriage
return.
eo characters/line by 25 lines
Display Area: 7.25" (1S.4 em) high lC 9.75'"
(24.S cm) wide
FORMA'M'1NG AIDS
CharactlN S.t: 128 ASCII characters
ProteCt Mode: Screen formatting of protected &
unprotected fields displayed in dual intensity
Character MatTix: 7 x 9 dot matrix (pl'us full 2 dot
descenders!
Program Mode: Oisplays all control characters
ChINacrIN Field: 10 x 12 dot matrix (6 mm high lC.3mm
wide'
Cursor: 10 x 12 dot matrix.
cursor
EOmNG
Edit Operations: Pagelline edit. clear entire screen to
spaces. clear unprotected positions to spaces.
clear entire screen to nulls. clear unprotected
positions to nulls. character insert by line or page
basis. character delete by line or. page basis. line
insert. line delete. erase line to spaces. erase line
to nulls. page erase to spaces and nulls. All edit
operations can be activated remotely by the host
using ESCape sequence.
Reverse Image block
Cunor Controls: Backspace. Forespace. Up. Oown.
Home. Tab. Return. New Une. Read Cursor. Cursor
AddresSing, Une Feed. and Back Tab
Visual Attribute... Blink. blank. reverse video.
underline.
Protected fields are displayed in
reduced intensity.
TERMINAL 25TH STATUS/MESSAGE UNE
r.rminal Slatusl.jne Displays: Page #, protect mode.
write protect mode. keyboard lock, auto page.
insert mode. program mode. page edit mode.
AOM 1 mode. printing. error messages and user
status
KEYBOARD FUNCTIONS
Ksyboard: 26-letter alphabet with upper & lower
case, numerics 0 through 9. Punctuation, Break.
RUBout (delete), Caps Lock. Most keys are auto
repeating (approximately 30 characters per
second).
TRANSMISSION MOCES
Sloele rransmission: Send line unprotected. send line
all (shift), send page unprotected. send page all
(shift). send message unprotected, send message
all (Shift). send cursor coordinate. send function
sequence
Numeric Key Pad: 15 keys. 0 through 9, Return. Tab,
Comma, Period. and Minus
Cursor Control: Individual cursor control keys
1-5
_ _ _ _ L!AR SIEGLER, INC.
_ _ _ _ _ _ _ _ _ _- - - - - - - - - - " " " ' - " - "
DATA PRODUCTS DMSlON
. Table 1·1. Speciilcations (cont'd)
Conve,sation Mode: Conversation mode/half
duplex. Conversation mode/fun duplex. dynamic
contro. of bloclclconversation and duplex mode
from remote or keyboard
Control Ch",Kttln: Controt characters may a.
transmitted to the computer and/or entered on the
Dimensions: "
Width: 18.88 inches (48.0 em.
Depth: 25.38 inches (84.51 cm)
Height: 18.0 inch.. (46.72 em.
Weight: S2 pounds (28. 12 kg)
screen.
Interlaces: RS232-C point-ta-point or 20mA current
loop. RS232-C extension
Data Ratlls: 50. 75. 110. 134.5. 150. 300. 600.
1200. 1800. 2000.2400. 3600. 4800. 72QP.
9600
p",ity: even. odd
~
none
OPERAnNG ENVIRONMENT
SOC to 500C (41 0 to 123;OFJ: 5"
to
humidity. without condensation •
Powe, Requirements:
Slandan:l: 115V + 1~. 60 Hz
Optional: 230V + 10.,... 50 Hz
He.Oiaipalion: 534 BTU/HR
96" retative
omONS
Serial printer pan (RS-232C)
ParaUef internal system bus interface
Direct Connect Interface
Polling and Addressing
Answerback Memory
Alternate Character Generators:
United Kingdom
/"
Umited Graphics: 11 special line drawini
characters .
"
Additiona' memory (4 additional pag..~
Programmaale function keys (31 or 53 characters)
PC-110 green phosphor
Special Personality
Micro Program Source Code Usting
Output cables
Clear or Blank key caps
Special paint
Key locks
Remote monitor stand
8-foot keyboard caDle
S-foot monitor cable
_ _ _ _ LEAR SIEGLER. INC.
·DATA PRODUCTS DMSION
SECTION II
INSTALLATION
2.1
INTRODUCT10N
Installation procedures involving unpacking,
initial set-up, and operational checkout of the
ADM42 Video Display Unit are described in this
section of the manual.
2.2
Allow the unit to adjust to the new
enuironment when changing
loce&tiolU from one room to C&1&Other,
before energizing the unit.
Coru.iensation could. deuelop in the
unit· tJnd tJduersely tJffect its
opemtio1&.
SAFETY ·REQUIREMENTS
The physical dimensioll8 of the ADM 42 are
shown in ftgUre 2-1. The basic requirements for
installation are the following:
No spec:ial safety precaution. are required for
ADM 42 installation_
• Table or desk mounting
2.3
SITE REQUIREMENTS
• Standard three-pronged 11S-volt orspec:ial
230-volt power outlet.
The ADM 42 may conveniently be ued in a
normal office environment, .. no spec:ial
mounan. proviaioll8 are required. However, it is
recommended that a weather protected
environment with an ambient temperature range
of 41°F to 122°F (SOC to 50°C), relative humidity
not peater than 959fr be maintained for equipment
1188_
• Cable connection to the computer, modem.
serial printer, or other awdliary device. If
connection to a remote computer is desired,
a mQdem or data set is ll8ually required.
-
2.4
INIT1AL PREPARAT10N
2.4.1 line Voltage Selection
Whenever the ADM 42 is physically moved (ro·m
a cold location to a warmer environment, be sure
to allow sufficient time for the equipment
temperature to equalize with the warmer location
before activating the terminal. Condensation
developed by the temperature differential could
.
possibly impair the ADM 42.
The ADM 42 is shipped connected for either 115volt or 230-volt operation, as ·specified in the
purchase order.. Any change in line voltage
requires changes which can be accomplished only
by authorized LSI maintenance personnel.
<
2-1
-
_ _ _ I.EAR SIEGLER. INC.
DATA PRODUCTS DIVISION
f
18 IN.
45.1 CM
Cl
l
-I
9.3 IN .
23.6 CM
[,..,.
.-
12 IN....._ _ _ 2S.4IN. _ _~
30.5 CM
-64.5 CM
48.0 CM
(MIN.)
'STANDARD INSTALLATION
~ '2IN·1
4 FT. (1.22 MJ CAS!.! STANDARD
O.SCM
(MIN.)
KEY80ARD
Teu
28 IN.
66.0CM
OPTIONAL DESK MOUNT INSTAI.LATION
•
Figure 2·1. ADM 42 Moun.tin.g Requirements
2·2
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
4. Open front panel access cover and release the
spring catch while lifting the front olthe TCU
cover, to expose the main logic board.
2.4.2 Configuration Control
DIP Switch Settings
5. To retam the terminal to service, reveme the
above procedure.
Set DIP switches ON or OFF uaing
DIP Switch Setting Tool 867001.
DO NOT uae cz bczll poin.t pe'l& or
pe'l&cil; the switches could become
contczminczted with conductive
debris.
2.4.2.2 Option Board DIP Switches
Ftpre 2-4 shows the locations and the factory
settings of the Option Board configuration control
DIP .switches. Refer to table 2·2 for a summary of
the .functions of these switches.
To gain
unrestricted access to these switches, proceed as
follows:
,
2.4.2.1 Main Board Switches
Figures 2·2 and 2-3 show the locations and
factory settings of the configuration control DIP
switches and other front panel controls.
Commonly· used DIP switches are accessible
through the ADM 42 access door on the front
panel (see fipre 2.2). The functions of all DIP .
switches are summarized in table 2~1. To gain
unrestricted access to all DIP switches. proCeed as
follows:
1. If the unit is ON, set ON/OFF switch to OFF
and remove power cord from its receptacle.
receptacle•.
2. Remove all cable connections ~m the rear of
the terminal.
3.
Remove monitor and keyboard assembly; set
each safely aside.
4. Open front panel access cover and release the
spring catch while lifting the front of the TCU
cover.
2. Remove monitor power cord from TCU
receptacle. Remove monitor from the top of
the Terminal Control Unit (TCU) and set; the
monitor safely aside.
3.
1. If the unit is operating. set ON/OFF switch to
OFF and remove power cord from its
5. From the left side. raise the main logic board to
ita vertical Position using the slota provided.
The option board is now exposed.
Remove keyboard assembly by lifting the
assembly siraigl1t up. Set the assembly safely
aside.
6. To return the terminal to service reverse the
above procedure.
2·3
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
S8@ 14M
ATTRIBUTE CONTROL
S6 @ 12 M
WORD STRUCTURE
OFF
01.
60HZ
.20
ODD PM
I STOP BIT
a BITS
IIGIIII RCV BUFF
SlID BIf 8-0
HAlf 0UPlD
OFF
ON
SRI DIS
03.
.40
05.
.60
.70
.80
BAIC ElfA
50 HZ
EVEltPU
2 STOP BITS
7 BITS
AIJMo42 AfT MODE
PAGE AfT
IItAJII( AfT
ElPAIII RCV BUFF
SlID BIT a-I
FUU. 0UPlD
ON
.10
.20
03.
RESERVED 0 4 0
RESERVED 050
RESERVED 060
RESERVED 070
RESERVED
S7@ IBM
OISPLAY CONTROL
oaO
OFF
ArT NOT OSPl'f
EllA AU CltU EXT
OSPl'f NUll AS ItUU.
RESERYm
RESERYm
RESERVED
RESERVED
RESERYm
e· FACTORY SETTING
I CONTRAST I sltde
• 10
02.
0 3.
I BRIGHTNESSI slide
potentiometer
contrOlS tne character bnghtness
relative to Ihe background.
o
IACTIVITY I
indicator lights wl'Ien
communication netwOrk is actiVe on a
polling terminal.
I
I
!RECIIVII Indicator
'ights
terminal IS receivIng data.
BAUD RATES
wl'Ien
wl'Ien
DlSPl'f ATT CIlDE
DIS AlT CltU EXT
OSPlY NUll AS SPACE
potentiometer
controls overall brightness of display.
c
TRANSMIT indicator lights
. terminal IS transmitting data.
ON
AO,..2 AfT MODE
UHE ATT
U!IOERUM ATT
MODI!M
POSITION
oa
1
2
SO
75
2' 110
3 • 1345
4 = 150
5
a
P9IIINTER
BAUD RATE
= 300
6 = 600
'7=1200
8 : 1800
9' 2000
10
'1
=2400
=3600
12 = 4800
13 • 7200
""14=9600
" Printer port factory setting
""Modem port factory setting
Figure 2·2. ADM 42 Front Panel Controls and Indicators
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_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 2-1. Main Logic Board Configuration Control Switch Settings
SWITCH BANK 52@ 1SA
INTERFACE
-
SW1
- - -
OPERATION
-
SW2
SW3
SW4
OFF
ON
OFF
OFF
·R5-232C enabled; DitllCt Connect disabled.
OFF
OFF
ON
OFF
ON
Enable Current l.oop; Direct Connect disabled.
OFF
ON
OFF
ON
OFF
Enable Direct Connect; Disable R5-232C and
Current Loop.
ON
SWI5
All ottler SW1. SW2. SW3. SW4. SW5 combinations not allowed
•
~
·OFF disables secondary channel control {SCF};
ON is not defined.
SWITCH BANK 55 @ 12M
WORD STRUCTURE
~
OPERATION
. ·ON enables BREAK key; OFF disables key
m
ON _ecu 50 Hz monitor refresh rata: ·OFF _ecu 60 Hz monitor
refrestlrate
~
~
~
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
MODEM PORT SELECTION
Selects 7 DATA bits. even parity. 2 STOP bits
Selecu 7 DATA bits. odd parity. 2 STOP bits
·Selects 7 DATA bits. even parity. 1 STOP bit
Setecu 7 DATA bits. odd parity. 1 STOP bit
Setecu 8 DATA bits. no parity. 2 STOP bits
Selecu 8 DATA bits. no parity. 1 STOP bit
Setecu 8 DATA bits. even parity. 1 STOP bit
Setects a DATA bits. odd parity. 1 STOP bit
.
SW8
ON enables ttle 2048-byte expanded input buffer; ·OFF enables the standard
input buffer.
SW7
ON sends Bit 8 as 1 (mark); ·OFF sends Bit 8 as 0 (space). when 8-bit word
structure has been selected.
SW8
ON selects Full Duplex Mode at power·up; ·OFF selects Half Duplex Mode.
Setting may be modified dynamically from host or keyboard.
"Indicates standard factory setting.
NOTE:
If the position of any DIP switch is changed. a RESET (with power on) must be executed in order
for the change to take effect. Depressed sid. of the switch is the SIt position.
2·7
_ _ _ _ LEAR SIEGLER., INC.
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _......_ _ __
DATA PRODUCTS DMSlON
"-<
Table 2·1. Main Lotric Board Configuration Control Switch Settings (cont'd)
SWITCH BANK sa @ 14M
ATTRIBute CONTROL
OPERATION
·OFF estabIishesAOM 42 Vid80 Amibuta Control Mode (requiring
SW1
ESC G entry c:ca).
ON lIUbIisMs AOM 2 Vld80 Amibuta Control Mode (requiring
appropriaa AOM 2 entry code)
.--
·OFF causes any Video Attribute Controt Sequence (ESC G) to be
efflc:rive for entire page.
SW2'
ON causes sequence to be. effeCtive only to the end of cu"..nt'line~
SW3
.
Estabfishes whether blanked fields or underlined fields may be selected
using the appropriata Video AttributiControl Sequence (ESC G):
OFF • Blanked fields
·O~ • Underlined fields
SW4thru SW8
Reserved
SWITCH BANK'S7018M
OISPLA Y CONTROL
SWl
/
..
"-
OPERATION
·OFF causes SPACE to be displaved. instead of the code identifying the
attribute selected.
ON causes the appropriate attribute code to
be-display~
O~F
SW2
allows horizontal SltJlnents of adjacent une Orawing Set symbols to
be joined.
·ON prevents joining of adlacent horizontal segments. (Settings are
appIicaQle o'!'y when Alt"nate Character Generator Option is installed
and enabled.)
SW3
OFF causes N,U LLS to be displayed as NU LLS;
·ON cauSes NULLS to be displayed as SPACes.
-Indicates standard factory setting
NOTE:
If the position of any DIP switch is changed. a RESET (With power onl must be executed in order
for the change to take effect. DeQressed side of the switch is the set position.
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 2-2. Option Logic Board Configuration Control Switch Settings
SWITCH BANK Sl @ 2L
SERIAL PRINTER
WORD FORMAT
OPERATION.
·OFF en.al. ASYNCHRONOUS PRINTER port
SW1
ON en.at. PARALLEL PRINTER port
OFF·enaCl. communication with the printer via the print buffer (last page
of display memory I.
SW2
·ON disatJles print buffer
-
SW5
ON
ON
ON
ON
OFF
OFF
OFF
OFF
-
SW4
ON
ON
OFF
OFF
ON
ON
OFF
OFF
-
PRINTER PORT SELECTIONS
SW3
ON
OFF
ON
OFF
ON
OFF
·ON
OFF
Selects 7 DATA bits. even parity. 2 STOP bits
Selects 7 DATA bits. odd parity. 2 STOP bits
-Selects 7 DATA bits. ..,en parity. 1 STOP bit
Selects 7 DATA bits. odd parity. 1 STOP bit
Selects 8 DATA bits. no parity. 2 STOP bits
Selects 8 DATA bits. no parity. 1 STOP bit
} liiio BIT-4
Selticts 8 DATA bits; even parity. 1 STOP bit
Selects 8 DATA bits. odd patity. 1 STOP bit
SW8. SW7
R~·
SW8
OFF enables the ASYNCHRONOUS PRINTER Port receive !input) line
·ON disables the receive (input) line
OPERATION
SWITCH BANK S2 @3L
SWI thru SW8
SWITCH SANKS 53 • 5L
1ST POLLING ADDRESS
SWl thru SW7
Reserved
OPERAnON
Define the ASCII code for the 1st Polling Address Character (Al.l
·OFF· Logic 1; ON· Logic 0
SW8
·OFF disables Polling function
ON enables Polling function
SWl thru SW7
Define the ASCII code for the 2nd Polling Address character (A21.
·OFF • Logie 1; ON • Logic 0
-Indicates standard factory settings
NOTE:
If the pOSition of any DIP switch is changed. a RESET (with power on)"must be executed in order
for the change to take effect. O.naed side of the switch is .th•.set position.
2·9
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
Table 2-2. Option Logic Board Configuration Control Switch Settings (cont'd)
SWITCH BANK 54 @l6L
2ND POLLING ADDRESS
OPERATION
·OFF disaDies Polling communications buffer
SW8
ON ...... bufflr (. . . . . ..., By. 8 bit XI mua . . .
SWITCH BANK 55 @l 8L
1ST GROUP POLL ADDRESS
SW1 thru SW7
OPERATtON
Cefine the ASCII cOde for the 1st Group Poll Address character (A 11.
·OFF .. Logic 1; ON .. Logic 0
SW8
Reserved
SWITCH BANK 56 @l9L
2ND GROUP POLL ADDRESS
SWl thru SW7
OPERATION
Oefine the ASCII cOde for the 2nd Group Poll Address character (A21•
·OFF .. Logic 1; ON • L.ogic 0
SW8
Reserved
SWITCH BANK 57 iii 11L
GROUP POLL AOORESS
SWl thru SW7
OPERATION
Oefine the ASCII code for the Group Select Address character (Gal.
·OFF • Logic 1; ON .. L.ogic
SW8
a
Reserved
SWITCH BANK sa iii 4A
PRINTER
SWl
OPERATION
·OFF disables reception of the printer Carrier OeteCt (OCOI signal via
connector J5· 20
ON enables reception of OCD via connecto~ J5-20
SW2
SW3
ON
ON
OFF
OFF
ON
OFF
ON
OFF
PRINTER BUSY SEL.ECTIONS
·Selects BUSY L.OW via connector J5· t 9
SeleCts BUSY HIGH via connector J5·19
Not allowed
BUSY not active (Unit senses printer as never BUSY)
• Indicates stal:'dard factory settings
If the position of any OIP switch is changed. a RESET (with power' anI must be executed in order
NOTE:
for the change to take effect. Oepressed side of the switch is the set position.
2-10
_ _ _ _ LEAR SIEGLER, INC. .
DATA PRODUCTS DIVISION
2.5
2.5.3
INTERFACE INFORMATION
Direct Connect Interface
The Direct Connect interface using the MODEM
port, is used with many Burroughs-type computer
systems operating in Half-Duplex Mode. in a
polling environment.
The interface can
accommodate up to nine terminal. coDDected to
the line pair (AWG #24 twisted pair, or larpr)
having a maximum length of 1000 feet.
Fipre 2·9 shows the logic aaaociated with this
interface. Refer to table 2·1 for the settings of
DIP switches in switch. bank S2 which are.
required to enable Direct Connect.
The ADM 42 may be cabled directly to a local
computer, serial printer, or other awdliary device;
or it may be connected via telephone data lines to a
remote computer located anywhere in the world.
Remote computer CODDec:tions require the use of a
modem or data set. Fipre 2-3 shows a typical
ADM 42 application, while flpre 2-6 shows the
rear panel locations of the interface connectors.
2.5.1 Standard or RS-232C
Extension Interface
2.5.4
The Standard RS-232C interface consists of
connecting a computer directly to the ADM 42
through the MODEM port.
The RS-232C
estension interface requires the· use of the
MODEM port. Through the EXTENSION port
several terminala or other devices may be
daisychained, usually. in a polliDg. environment:.
Fipre 2·7 shows the logic aaaociatad with these
interfaces. Refer to table 2-1 for the settings of
DIP switches in switch bank 52 which are
required to enable these interfaces.
Printer Interface
The PRINTER portis used to connect the ADM 42
directly to an. asynchronoU8 serial printer.
Fignre 2~10 shows the logic asaoc:iated_with this
interface. The option logic board must be installed
in addition to the main board. Refer to tables 2·1
and 2-2 for the settings of DIP switches on the
main board and option·. board respectively.
required to enable the PRINTER interface.
2.6
2.5.2 Current Loop Interface
INSTALLING THE ADM 42
To install the ADM 42, proceed as follows:
The ADM 42 can be configured for current loop
using the MODEM port, without interfering with
normal RS·232C signall req uired for
aaynchrol1O.U8 operation.
The current loop
interface increaaes the maximum permissible
distance between the tMminal and connected
device. Fipre 2-8 shows the logic aseociated
with passive and active current loop interfaces.
Refer to table 2·1 for the settings of DIP switches
in switch bank S2 which are required. to enable
Current Loop operation.
1. Connect the data interface cable to the
terminal uaiDg the appropriate interface
information (paracraph 2.5).
2. Check the ON/OFF switch (ftpre 2-6) to
ensure that it ia set to OFF.
3. Plug the terminal into a grounded AC outlet of .
the proper voltage.
2-11
_ _ _ .LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
INTUCONNICT
CA8L&S
LSI 300 SERIES p,.INTER
POWNG OPTION
ONLY
Figure 2·5. Typica.l ADM 42 Applica.tion
2-12
- - - - LEAR SIEGUR, INC.
DATA PRODUCTS DIVISION
sWltcn controls AC po_
to tne unit.
RESET spring-return push sWltcn
performs the same function of a
power-up restart. Any data on display
and in memory is Cleared.
connector
logic circuits and
I MODEM
KEYBOARD J7 interface connector
betW. .n ADM ~ logic CirCUits and
keybOard.
J4' is tennin_ to host
interface port. operating at FlS-232C
logiC levels. Some pins may be used for
current loop and direct connect
applications.
rE.YiI
AC line fuse. 3.0A S10-810
(l1SV) 1.SA SI0-810 (230V).
lAC yN' cgRa
three-conduCtOr
power cont.
ASYNC PRTR J5 (optional) interface
port for serial printer connection.
I IXTBNSION J5 I is FlS-232C interface
betWeen .addltlonal ADM ~ tennin_ or ot"er auxiliary devica: ideal for
daisychaining applications on polling
networks.
IPAAALL£L PRTR J4'
(optiona,. interface port lor paraUel printer
connectIon. Enaoled and disaoled by
AOM 42 logiC. (OptIon not avallaole.)
Figure 2·6. ADM 42 Rea.r Pa.nel Controls
2-13
- -_ _ LEAR SIEGLeR, INC.
DATA PROOUCTS DIVISION
AO,.'2
MODEM
1
RCVEOATA
XMlTOATA
m
m
CONTROL
UlGIC
OSII
OCO
SCA
TeRMINAl.
ON
OTR
4 CA
5
ca
6 CC
8 CF
19
20
CO
SIG GilD
eXTENSION
AQXILlAIIY
OEVlces
Figure 2-7. MODEM a.nd RS-232C Extension Interfa.ce Logic
2-14
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
ADrA,4Z
5
52
XMIT
DATA
RCVE
DATA
ADATA RTN 11
FULL DUl'lfX PASSIVE (STANDARD)
S
XMIT
DATA
ACVE
DATA
• HALF DU'lfX PASSIVE (STANDARD)
ADMQ
HOST
XMIT
DATA
ACVE
DATA
FULL DUl'lfX ACTIVE TRANSMIT
':lOST
ACVR
XMIT
DATA
•
ACVE
DATA
XMTR
HALF DUPLEX ACTIVE
Figure 2·8. Cu.n-ent Loop Interface Logic
2·15
_ _ _ _ LEAR SlIEGLER.
I~
DATA PRODUCTS DMSlON
4. If the cursor does not appear, or if an error
4. Set the MODEM and PRINTER (if required)
BAUD RATE switches (see figure 2-2) to the
desired baud. rate.
indicatioJ1!l§ears. execute from the keyboard lCTRL _BIttI BESET/CMb!.
Note
T1w BAUD RATE ,Ulitt:ha
5. If the display still does not appear, troubleshoot the mcmiior. then the terminal
CP'e
elec:tranicl, if DeCII ••..,..
IGCtDry . . u lollolft:
Switch
5.
Position
6. If a mem.0l'7 error is present, the display will
indicate the source of error (memory location)
and the bit(a) in error. For example, assume
indication:
Baud Bate
MODEM
14
9600
PRINTER
7
1200
"01 0400
~ the confipration control DIP switches
(refer to tables 2 .. 1 and 2 ..2) to the
appropriate positions for controlling the
ADM 42 chancteriaiics.
01 0400 Signiiies that the LSB at memory
add%eu 0400 is bad.
80 0800 Signiiies that the MaB at memory
add%eu 0800 is bad.
6. Tum on the termiDal.
2.7
800800"
7. Troubleshoot appropriate terminal electronics
accordiDC to the memory error indication.
POWER TURN-ON
. 1. Set the ON/OFF switch to ON. Blower must
be running. (See figure 2-6.)
8. Terminal operation may continue without
interruption without regard for errors
detected; however results involving the
indicated memory locations are unpredictable.
2. Wait approximately 20 seconds for the unit to
warm up and self test. The C1U'IOr should
appear at the HOME position. and PG=1
should appear in the 25th Status LiD..
~.
~
POWER TURN-OFF
. To auoitl diuruJge to til. CRT
pho.phor, it ;. reco1M'lfll'llletl tluJt the
displ4y bright7&e,. be reduced when
the display remaina rm.changld lor
significant period, of time.
1. If the terminal contains any information
which must be retained, be sure to transmit
this information immediately to the hoat
computer. This is necessary, as the display
memory is cleared when power is removed
frOm the terminal. As an alternate measure,
print the information prior to turning off the
terminal.
3. Adjust CONTRAST and BRIGHTNESS
controls (see figure 2-2) for desired display
brightness.
2. Tum off the ADM 42 by setting ON/OFF
switch to OFF.
2·18
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS .DIVISION
2.9
CARE OF THE ADM 42
1.
Proper care of the ADM 42 Video Display Unit
consists of performing the routine cleaning and
inspection procedures listed in the following
paragraphs.
2;.9.1
Remove dust from the glare filter surface by
lightly nbbing with the treated cloth which is
supplied with each terminal
2. Occasionally shake out excess dust from the
cloth.
3. To remove pencil ma:rka, grease pen marks.
etc. from the filter, use a clean lint·free
cloth (NOT THE CLOTH PROVIDED WITH
THE TERMINAL) and plain rubbing alcohol,
wiping the filter surface while the filter
is in place.
Cleaning
At periodic intervals, clean the exterior housing
and lightly dust the unit using a soft brush or
damp lint-free cloth. However, paper towels may
be substituted if desired. Remove smudges from
the monitor exterior housing with conventional
spray cleaners or alcohol. Do not use petroleum
base cleaners such as lighter fluid, as this could
be harmful to the painted surface.
2.9.2
Inspection
Periodically, inspect switches and keyboard
assembly for freedom of movement. Determine
that the intensity of character trace on the CRT
screen baa not diminished.
Any required
mechanical and electrical adjustment shall only
be performed by an authorized Lear Siegler
Service Representative.
This terminal is equipped with a Sun·flex
non-glare filtered screen. Observe the following
precautions when cleaning the screen:
2·17
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
IICVE
DAfA
liMiT
DATA
COItTllOL
LOGIC
. Fipre 2·9. , Direct Connect Interfa.ce 'Logic
LOGIC
ASYNC
""NTER
1
IlGAfA
~-----------------------il
J-----------------t
,....-----4 •
TUfA
EauIPGRO
RDATA
3 TUfA
PWI...,.R
~----------------f.
COItTROL 1ft!
LOGIC
3
OSR
WB
REAOY/SUSY
_
~
-3
~~------~u~----
REFER TO TAILE z.z
omON saARa
Figure 2·10. Printer Interface Logic
2·18
SERIAL
"'litTER
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
SECTION III
FUNCTIONAL DESCRIPTION
3.1
In fact, the rollover protection feature of the
terminal prevents the production of a second
character code before the key already· typed is
released. There are some
such as when
usinS the ISHIFt I andkeys. In this
manual. a special convention is used to identify
keystrokes and whether succesaive keystrokes are
independent or concurrent, as follows:
INTRODUCTlON
This section describes the .fanctional·characteristica of the ADM 42 which contribute to the full
operational use of the terminal.
ejc'f:Ri:j.
Ordinarily each keystroke typed by the operator is
independent of the one prec:eciiD(J or followinS it.
DESCRIPTION
KEYSTROKES
IESCgzl
ISHIFTIRESET/CMD
Independent keystrokes typed
sequentially.
This operation code
executes a special RESET operation,
discu8sed in Section IV.
I
ICTRL ISHIFT IRESET/CMD I
Concurrent keystrokes. The second kfr.
must be pressed while holdins ISHIFT.
Ref., to Section IV for a discuseion of
thia RESET operation.
Three concurrent I keysrkes.
The
sequence in which CTRL and ISHIFTI
are operated is not sisnificant;
however. both keys must be held down
while typing the third key. Refer to
Section IV for a discussion of this
RESET operation.
3-1
_ _ _ _ LEAR SIEGUR. INC.
DATA PftODUCTS DMSlON
3.2
OPERATIONAL
DESCRIPTION
The ADM 42 is a microprocessor-based device
which provides a means of communicating with a
hoat computer, and which allows the WJ81' full
control of the conteni and format of data entered
by lDe&lUI of the keyboard. Fieve 3--1 illuairaie8
the fiow of data through the functional areas of
the ADM 42.
The standard ADM 42 consists of a power supply,
keyboard, control section (MPu), video 10Kic and
control, monitor display, configuration control
switches, and interface 10KiCo The interface 10Kic
provides the standard and RS-232C extension
interfaces and the serial printer interface.
.3.2.1 Keyboard
Data to be processed by the terminal is either
entered from the keyboard or is seni from the hosi
computer. Keyboard entry is made using one of
the 118 keys on the keyboard. Each keystroke is
encoded into an ABell charac:ter which appean
on l8YeD data linea connected to the MPU.
Accompanying the 7·bit character is a keystroke
which alerts the program that a character has
been input from the keyboard.
3.2.2 Control Section (MPU)
The Control Section (MPU) contains the
microproc:eaeor and vmoa integrated circuits
which control all the operations of the ADM 42.
These operations include: ~g and control, data
handling and storage, interpreting and
responding to control commands from the
keyboard and the computer, video control, 110
interfacing. and status control
Oata entering the tenninal is placed on the Data
Bus and sent to the MPU section which contains
the microprocessor and various other integrated
circuits and switches. The MPU, executing a
stored read only memory (ROM) program, decodes
the input data and refonnats it into data and
control instructions for the video 10Kic and control
section.
3.2..3 Video Logic and Control
. The Video LaKic and Control section contains the
display loKic needed to drive the monitor, 8K of
random access memory (RAM), and character
generation circuits, as well as the video loKic and
US-inch monitor. The monitor sereen can display
24 lin.. of data containing as many as 80
charactera per line, pIa a 25th Status Line.
Data from the MPU is written into the video RAM;
control instructions from the MPU cause the
contents of the RAM to be periodically displayed
on the monitor screen.
3.2.. 4 Interface Section .
Oata and control inlonnation from a remote
computer is routed through the MODEM port to
the interface section, and then to the MPU. The
MPU causes data to be displayed on the monitor in
the same manner as the keyboard data. The
interface contains the loKic circuitry appropriate
for interfacing with RS-232C point.tQ-pom
signals' or 20-ma current loop signals, and modem
loKiCo Optional circuits for an RS-232C serial
printer' and direct connect interfaces are
available.. The interface section also contains the
baud rate clock and baud rate switches which
permit the ADM 42 to receive or transmit data at
selected baud rates from 50 to 9600 baud.
The ADM 42 transmits data by retrieving data
from the video RAM and placing it on the Oata
Bus for routing to the MPU. The MPU reformats
the data and routes data and control information
to the interface section over the Data Bus. Interface 10Kic is used to prepare the data and controi
information for transmission to the appropriate
device connected.
3.2.5 System Configuration
Switches
Several banks of system configuration switches
are provided to control various attributes and
characteristics of the ADM 42. The switches are
moun ted on the main and option logic boards. The
characteristics thus controlled include: mode of
transmission/reception, parity, word structure
refresh rate, cursor/display attributes, and the
polling address (optional).
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
POweR
SUPPLY
OATA
ANO
CONTROL
KEYBOARD
CONTROL
SECTION
(MPUI
SYSTEM
CONRGURAnON~--------------~~
SWITCHES
OATA
AND CONf.ROL
OATA
ANO
CONTROL
,
OATA
VIOEO
LOGICANO
CONTROL
OATA
AND CONTROL
INTERFACE
SECTION
OATA
AND CONTROL
OPTION BOARO
25 UNES
80 CHARACTERS
PER UNE
CRT OISPlAY
SCREEN
•
MOOEM
(RS·232C)
PORT
OATA
(RS·232C)
EXTENSION
. PORT
ANO CONTROL
--------20MA CURRENT
LOOP
"
SERIAL
ASYNC PRlNreR
PORT
COMPUTER
OR
MODEM
,..
I
I
I
I
- _., - ---.
I
OAISYCHAIN
OEVICES
I
I
I
'------~
Figure 3·1. ADM 42 Data Flow Block Diagram
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
3.2.6 Regulated Power Supply
The ADM 42 power supply is a regulated power
supply located adjacent to the maiD printed circuit
baud aa&embly. Three regulated dcvoltagesare
provided: +5 volts, and +12 volts. The power
supply caD acceptliDe voltage inputs oi 115 VacOl'
230 Vac (with 230-volt power supply option).
3.3
STANDARD CHARACTER
FORMAT
The standard ADM 42 character set contains 128
ASCII characters, 32 of which are control .
characters. (See figun3-2.) Theentirecharac:ter
set may be displayed on the monitor by placiDg the
ter:miDal in Procram Mode or by preceding
control ch81'BCters with an ESC code.
3.4
ADM 42 WORD
·STRUCTURE
The ADM 42. caD traumii and receive data
characten in any on. of the uyuc:hroDOua
charac:ter formata shown in ftgun 3-3. The
appropriate word format for the user's application
(including the use of a serial printer) is selected by
meaDS of the indicated DIP switches.
3.5
DATA TRANSMISSION
CHARACTERISTIC~
Data which baa been written in me!DOl'Y and
displayed on the monito!' may be traumitted to
the hOlt computer either character-by-character
u during CODvenadon Mode operation, or in
mellage blocks. u during Block Mode operation.
Transmisaion is uynchronoua, uaing one of the
word formats specified in figure. 3-3, and at a
transmission rate determined by the application.
Using the MODEM BAUD RATE or optional
PRINTER BAUD RATE switch on the front panel
(see figure 2-2), it is possible to select a data
transmission rate of 50, 75, 110, 134.5, 150, 300,
600, 1200, 1800, 2000, 2400, 3600, 4800, 7200, or
9600 baud. The standard ADM42 MODEM port is
set for 9600 baud at the factory. The factory
setting for the optional ASYNC PRINTER port is
1200 baud.
3.5.1 Conversation Mode
Characteristics
CODversadoD Mode communication betweea
the ADM 42 and the hoetcomputeris ch~
by-character only. Tranamisaion may be in one
direction at a time, u in Half-DupIn operation;
or in both directions simultaneously, u in Full..
Dupin operation. At power-up, the standard
ADM 42 is initialized in Block Mode. Refer to
SectiOD IV for the modifications possible using
personality.
The ADM 42 may receive data over the RCVE liDe
(BB) with Carrier Deiect (DCD) over line CF. Data
for transmjuion is controlled by Request to Send
(RTS) over lin. CA, and Clear to Send (CTS) over
liD. CB.
Request to Send (RTS) is set (high) to inform thr
host that the ADM 42 wishes to ~i Cleari.._
Send (CTS) from the hoat or modem should beset
(high) to initiate ADM 42 traumiMion. In
Full Duples Mode, RTS is set high and remains
high. In Half· Duplex Mode, RTS is reset to low
whenever Return (CR), End of Transmission
(EOn or End of Text (ETX) is sensed by
ADM 42 logic.
sHIF1'lcONV) sets ON LINE Mode hi which
Data Terminal Ready (DTR) is h.ld high.
EHlttlcONVI al80 sets OFF LINE Mod. in
which DTR is held low.
3.5.2 Block Mode Characteristics
In Block Mode, information is transmitted and
received u Complete mellages or blocks of data
(compa:red with character·by-character
transmission in Conversation Mode). Complete
messages, up to four full pages (optionally, eight
full pages) in length may be displayed and stored
in display memory. These messages may be edited
or otherwise modified from the keyboard before
being transmitted to the host and/or to an
optional auxiliary device such as a printer. At
power·up, the standard ADM 42 is initialized.i{
Block Mode.
-
_ _ _ LEAR SIEGLEFf. INC.
DATA PRODUCTS DIVISION
DISPLAYABLE CHARACTERS
CONTROL CHARACTERS
.
1ST
BITS
HEX-
BYTE. BITS
+
2ND
a
1
2
3
4
5
6
7
8
9
76
4321
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
B
C
D
E
1010
1011
1100
1101
1110
F
1111
A
.'
.
5
a
1
2
3
4
5
6
7
00
0
00
1
01
01
I
10
10
11
11
a
~~;\, ~~~\.'" OLE
~\;~J~~~~~ DCI
-' "
·~:·-a~~t~'-0
!
.
.~~~A'.'
.gl«:~
DC2
DC3
.'
;:x>
·::·~~Z~·
':~~%
f:......:"
R;
II
L~:~1~;~,
~
.
[3
@
p
\
1
2
A
Q
a
P
q
B
C
D
. E
R
S
T
U
b
r
c
s
d
t
e
u
F
V
f
v
/I
3
s
4
~
5
6
7
G
W
9
w
CAN
(
H
X
h
x
)
8
9
I
Y
;
y
*
..
J
Z
j
z
+
;
K
C
k
{
I
<
=
L
\
1
I
I
M
J
m
}
>
N
1\
n
I"\J
?
a
-
a
DEL
II
CONTROL CODES
Utilized by Std ADM 42
with Printer Option
Utilized by Polling
AOM42
.
a
ETB
~
.
1
I
IIIIiII GS
a
0
&
SUB
SI
1
SYN
!III
SO
0
.
I
USE.l£IB.U. KEY
WITH DISPLAYABLE
CHARACTER KEYS TO
PRODUCE CONTROL
CODES
I
Figure 3-2. Displa.yable Character Set and Control Codes.
_---I.£AR SIEGLSI. INC.
DATA PRODUCTS DIVISION
WORD STltCC'rt.."lIE
DIl' SWlTOI
WORD FORMAT
CONFIGURATIONS
SWS
SW4
SW3
Eleveft-Sit Word
witls Even P:arity
and 2 STOP Sits
ON
ON
ON
Eleyea-Sit Word
witls Odd P:artty
aad 2 STOP Sits
ON
ON
OFF
• Tea-Blt Word
witls EveD P2rtty
_ 1 STOP Sit
ON
ON
El...... BUWord
witls No Portty
and 2 STOP Sits
OFF
Ten-Sit Word
WIth ~o ?:1t',tv
lIld. I STOP Bit
OFF
Elotyea-Sit Word
'¥itls Even P:lrity
_ 1 STOP Bit
El. ."-Bit Word
witls n:td P2rity
aad I STOP BIT
•
St
SIT
2
I
;a
t't
BIT
SIT
:I
ACTIVE
SIT
G
BIT
5
"'
SITS
•
1
OR
BITS
•
1
OR
,,
I
OFF
ON
Ten~BIC
Word
with Odd Portty
aad 2 STOP Bltll
srr
BIT
OFF OFF
ON
ON
OFF "P'F
ON
OFF
ON
OFF OFF OFF
St
at'
ACTIVE
t
at'
at'
St
at'
a
ACTIVE
,
.
·
,
ACTIVE
t
I
1
OR
BITS
•
1
OR
It
•
1
OR
,
'"
1
'-
BITS
B! T S
,
•
BIT S
I
•
I
I
9
odd stop
partey
wea
panty
odd
parity
,
alw~YII
sCQfl
stop
stop
~
X
stotJ stop
1
1
I
always
stOll
It
••
,L
OR
It
.
,
I
OR
.alw~Y'!
1
•
I
••
eyea
pari~
~
SCQfI
always
I
.."
odd
partt, sCQfI
·Factory Standard Settinl'
··A1ways.6' for PRINTER PO~ switch selectable for MODEM port, via S5-SW7
Figure 3-3.
1.
BIT
eyeD
stop stop
parity
It
OR
I
BITS
srr
••
'-
I
ACTIVE
t
•
I
I
•
ar
,
I
~CTIVE
St
St
·
BITS
t
t't
at'
•
·
ACTIVE
t
,
•
,
,
BIT
8
j
I
ACTIVE
t
St
St
·
~
St
,
BIT
Word Format Codes with DIP Switch Configurations
_ _ _ _ L£AA SIEGLER. INC.
DATA PRODUCTS DIVISION
3.5.3 ADM 1 Mode Characteristics
The ADM 42 may be placed in the ADM 1 Mode
by typing ESC % at the keyboard. In this
mode. the tranamiseion of text i8 modified as
follows:
1. The FS charac:ter indicating the presence of
protected tiaida are not sent.
2. The US characters indicating the end of line
are not sent.
3. The cursor goes to the first unprotected.
position on the screen. when Protect Mode
is set.
3.6
PRINT MODE
TRANSMISSION
CHARACTERISTICS
Print Mode transmission requires an optional
Serial Printer Interface installation as described
in Section II of this manual. The interface can be
used with most RS·232C compatible serial
printers, which includes buffered as well as
character·by
:\
r
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 4-4. Status Line Message Control Operations
OPERATION
OPERATION COOE
SOURCE
Initillte· Ovenide Meuege
Host
ESC F Meuege CR-
Cleer Ovenide Message
Host
ESC
Keyboard
IRESETICMO
Erase Override Message
Host
ESC F CR-
Recall Status Une Message
Keyboard
IRESETICMO
.
Z. ESC %, etc.
I
ACTIVITY
Message placed in Status
Une positions 2 thru SO, .
overriding, but not
erasing, current display.
Message is cleared from
display but retained in
memory by any operation
code which affects $tatus
Une.
Message is erased from
screen and memory;
original Status Line
display is restored.
I
Status Une display and
Status Une message ,re
swapped .ach time key is
typed.
-Any control charactar (CR, LF. HT, etc.) may be used.
3. Each m...... mat start with a "K". "H", 01'
" A" destination cod•• where:
K - Designates a m....ge for CRT dia-play,
whe evoked. If Con.ersadoa Mode is
set, the m....g. will also be tnmamitted
. to the host.
H - DesilDatea a message for transmission to
host. with no CRT display, when evoked.
A - DesilDates a message for transmission to
.
a printer, with no CRT display, when
evoked.
4. Block Mode should be set to avoid unintentionally transmitting data to the host when
storing data at the keyboard.
5. Immediately following the leat character of
the mesaage. execute the appropriate
FUNKEY Store Code (see ftpre 4-2). The
cursor will backspace one space to indicate
acceptance of the message.
4.3.3 Unking FU N KEY Messages
FUNKEY messages stored under different
function keys may be linked together to form a
single message, as when a messag!! is too lengthy
to be stored under one key. The linking capability
can 41so be used to link two or more operations
under one command.
____
~R
SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 4-5. Function Key lFUNKEY Characteristics
eVOKING OPERATION
eVOKING OPERATION
eVOKe
CODE
esc \
@
esc
esc
ESC
esc
esc
esc
esc
esc
esc
esc
ESC
A
esc
esc
ESC
esc
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
UNPROGRAMMeD
coDe TRANSMITTED
KEYBOARD
a
C
w:J
ceD
I!D
[:EJ
0
[!IJ
e
CEO
I!!J
F
G
[1[J
J,f
m:J
J
[L![]
I1[J
K
L·
I!iD
I1ID
I
M
N
0
CEW
cw:J
I!!!]
-
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
@
A
B
C
0
E
F
G
H
I
J
K
L
M
N
0
evOKE
CODE
ESC
esc
esc
ESC
esc
esc
esc
esc
esc
esc
esc
esc
esc
esc
CRCRCRCRCRCR"
CR"
CRCRCRCRCRCRCRCR*
CR-
\
\
\
\
\
\
\
\
\
\
\
\
\
\
UNPROGRAMMED
coDe TRANSMITTED
KEYBOARD
\
§tlIEII FJ
m
F2
F3
F4
F5
Fa
F7
Fa I
F9
FlO
F11
F12
F13
F14
esc \
n
Fl~
esc \
0
ISHIFTI F16
a
b
c
d
e
f
9
h
i
j
k
I
I
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
\
a
b
c
d
e
f
9
h
i
j
k
I
m
n
0
CR'"
CRCR"
CRCRCR·
CRCR·
CRCR·
CRCRCR. CRCRCR-
*tf ....i...., by • Dynamic Penon.ity CllanlJl Qtllntian•• _and trIIIImiliion tlnnin.tar (End Blodc c:fIlnlCtlrt
is_ trIIISIftittld. Th. fInt End Block c:fIaramr (CR) may .... be c:fIlIIgId. penon.ity.
4.3.3.1 Stortng Extra-Length FUNKEY
Message. (See FIgure 4-2).
a. Within the 31· or 63-character limit, display
ESe \ (ASeln, where (ASeln is the
location of the neu_ FUNKEY memory.
b. Immediately following the (ASeln character,
above, execute 'CTRL F•• where F" is _the
function key to be programmed.
1. An extra-length FUNKEY message is one
which is greater than 31 characters if the 31·
character option is installed, or greater than
63 characters if the 63-character option is
installed.
c. Before continuing the message, execute New
Line and enter the desired destination code
to start the message.
d. 'Continue the message to its completion. Ii
necessary, extend the message to any memorY
location in accordance with a, b, and c, above.
2. Store· the extra-length message in the same
manner as for shorter messages, except:
4-10
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
e. Immediately following the last character of
the message, execute the appropriate Store
Code (see figure 4-2) of the FUNKEY to be
linked. The cursor will backspace one space to
indicate acceptance of the message.
To erase a specific FUNKEYmessage from
the host, execute ESC ! (ASCII), where the
(ASCII) is the address of the FUNKEY
memory location to be erased (see figure 4-2).
2.
3. To
era.I8
all FUNKEY messages, execute
ESC! X.
4.3.3.2 Unklng Multiple Commands
4.3.5 Evoking FUNKEY Messages
A FUNDY message is "evoked" when it is
recalled from memory and transmitted. Its
destination is determined by the"H", "K". or" A"
destination code at the beginning of the message.
FUNKEY messages may be evoked in one of the
following ways:
Upon occasion it may be required to execute a
terminal operation requiring a specific operation
code in conjunction with sending data to the host.
For example: assume that it is desired to send only
trUST CR" to the host many times; the CRT screen
must be cleared before writing the message. The
operation would be as follows:
Not.
"r designated m.essages will be
displayed and transmitted to the host
if CONY MODE is set.
1. Clear the screen to spaces.
E
IW
·1 RETURNl
Execute:· ~11D [i] I!l ffi
(Typing IEm:l causes CR to be displayed).
1. Type appropriate key
1UlShifted or shifted, or
3. Execute: /CTRtl(iB to store H UST CR
under FUNKEY
.
Execute:
5.
Execute:
~
K EC·on the screen.
IilImJ
thru IFISI
2. Execute appropriate Evoke code (refer to
table 4-5).
INEW LINEI .
4.
[1l
a. To evoke a complete extra-length FUNKEY
EJ .
message, execute the Evoke Code associated
with the initial memory address. ExampleESC \ I or (Elm would evoke the complete
I· J meeaage in figure 4-2.
to write
6. Execute: IESC IIEscl [S] [iJ. to write
EC \ @ on the screen.
7. Execute: ICTRLIF21 to store Ec·
EC \@ 1U1der FUNKEY IE2l
b. To evoke a selected portion of an extra-length
FUNKEY message, execUte the Evoke Code
aaaoc:iatedwith the 2nd or 3rd, etc. porti~
the message. Example - ESC \ J or lll!J
would evoke only the following message:
8. Now. whenever F2 is called for. the CRT
screen Will be cleared and UST CR will be
sent to the host.
"WITHIN S3-CHARACftRLI~IT: ArEND
OF MESSAGE, TYPE STRL Fll."
4.4
4.3.4 Erasing FUNKEY Messages
1. To erase a specific FUNKEY message from
the keyboard: Clear screen. then type
tTRL IF.1. where F" is the FUNKEY
memory location to be erased.
FORMAT CONTROL
OPERATIONS
Certain AD M 42 operations are concerned
primarily with formatting or controlling the
manner in which data is formatted, whether it is
input from the host or from the keyboard.
4-11
_ _ _... LEAR SIEGLER. INC.
. DATA PRODUCTS DIVISION
4.4.1 Program Mode
leave unprotected any character entered from the
keyboard. To enter protected characters Write
Protect Mode must be set. Usually Protect
Mode is also set so that the characters are
protected sa they are written. The ESC ) and
ESC ( codes are used during a Send All operation
sa delimiters for protected fields in a line, page, or .
mesaage.
Program Mode is typically used for transparent
operation. In Program Mode control characters
(CR, LF. FS, etc.) are written and displayed sa
they are received or keyed but arenoi acted upon.
Pl'o~l'aJD Mode is sei by typing
IPR_G MODEl onC8(PROG appears in Status
Line). Program Mode is terminated by typing
IPRop MODEl
again.
4.4.2.4 Selected
Areas iD the ADM 42 display may be designated
sa protected fields. These fields appear ai reduced
intensity. and have the following characteristics:
• Protected fields cannot be overwritten sa long
sa Protect Mode is set. .
.'
• Forma appearlngon the display initiated by the
computer are usUally in protected characters.
Write
Protect
Mode
The following is an example of this special
operation:
Write Protect Mode is set by typing
ISHIIT I WRITE PRoD . (WPRT appears in
Status Line). Characters written while Protect
Mode is sei are immediately protected. Write
Protect Mode is terminated by typing
!WRITE PROTI .
1. Assume that the terminal is in Write Pl'Otect
Mode (with Protect Mode sei).
.
2. The
operator enters a combination of
protected (P) characters, specially
protecttd (p) characters, and unprotected
(U) characters, sa follows:
4.4.2.2 Protect Mode
Protect Mode is set by typing !pROT MODEl
(PROT appears in Status Line). Protect Mode is
terminated by typing IPROT MODEl again.
4.4.2.3 Designated Protected
Fields
The (' ) chancter may be used to establish a
special protected field in which characters which
have been written protected will be transmitted
along with unprotected characters in a message.
While operating in Write Protect Mode a (' )
character will establish the field and another ( , )
'character will terminate the field. Ally character
bracketed by the (' ) character will thus be
transmitted sa though unprotected during ~.
Send Line, Send Page, or Send Me.sea_",
routine. The bracketed field will not be erased by a
Clear to ForetrrOUDd routine. The selected
protected field is cleanci along with and in the
same manner as any other protected field.
4.4.2 Protected Fields and Modes
4.4.2.1
Protected
PPP 'ppp
UU
ppp \
PPP . UU
3. If Send Line, Send Page, or Send Message
is. commanded, the following· will be transmitted. (An FS character is sen t in the place of
each protected field not .'lent.
Field
The operator has complete control over any
character typed into display memory.
Consequently, thil operator may elect to protect or
FS
4-12
ppp
UU
ppp
FS
UU
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
4.4.3 Auto Page Mode
Auto
Page
Mode is
4.5
set by typing
CURSOR CONTROL
OPERATIONS
ISHIFT I pAGE BACK I (APG appears in
Status Line)i: and terminated by typing
ISHiFf I PAG FWD'. This mode connects all
memory pag_ (4 or 8) together to form one
continuous page; with the CUft8Df: page retaining
ita page status. When Allto Pace is set, several
modifications to terminal operations take place:
4.5.1 Non-Addressed Cursor
Positioning
The cursor may be moved .to any unprotected
position on the screen under the remote or local
control of the operator; its position·signifies the
next character position in the display. When data
is being entered. the cursor moves one position to
the right Oft the line or to the tirst unprotected
position in the next line each time a character is
written under its present position. The cursor
cannot stop in a protected field. The operation
codes and keyboard operations required to control
the non·addres8ed and absolute (addressed)
cursor positions are listed and described in
table 4-&
• Cursor Po.ition • The cursor goes to HOME
position on the next page in a Page Forward
operation or to the last position on the previous
page in a Page Back operation.
• Scrolling· Scrolling is inhibited. When data is
entered in the last position of the current page,
data entry continues in the HOME position 01'
the finf: UDprotec:ted position of the next page.
When data is entered into the last position of the
last page, cursor goes to HOME ontirst page.
4.5.2 Absolute Cursor Addressing
Absolute cursor addres8ing consists of
commanding the cursor to a specific display
location or reading out the exact cursor location.
using operatidn codes. Commanding the cursor to
a specific location (loading the cursor) may be
executed by hoat or keyboard commands; reading
the cursor may be executed only by the hoat, and
the position codes are sent only to the host. The
load/read commands are executed by means of
multiple character escape sequences in which the
exact pap. row, and column location of the cursor
is expreued in a set ofASCII characters. as shown
below. See ftpre 4-3 for the ASen characters
assigned to e~ row and column location.
4.4.4 Umited Graphics Mode
When an optional Line Drawing Altemate
Character Generator is installed in the ADM 42.
the terminal is equipped to prodace simple line
drawings in Limited Graphics Mode. In this
mode, the characters 011 seven terminal keys are
modified to produce eleven Il'8phic symbols (see
ft... 4-3). TraDamiuion of the Il'8Phics
consirac:t8d flam th... keys is the aame ASen
character as the original character. Limited
Graphics Mode is established by ESC G 8.
4.4.5 Write Character" r:' ·"N"
Times
.
4.5.• 2.1
Any displayable character"c" may be written any
specified number of times "N", using operation
code ESC m N c. The number of times "N" is
expressed by a modulo number which is in tum
expressed by a single otherwise displayS:ble
ASCn character. Figure 4-4 is a chart of the 96
displayable characters and the modulo numbers
they represent. hample: To write the character
"D" 29 times, execute ESC m =D.
Load
Cursor Operation
When the Load Cursor operation is initiated, the
cursor moves to the commanded position. except
that if Protect Mode is set. the cursor will not
stop in a protected field; it will perform in the same
manner as described for Horizontal Tab in table
4-6. The operation codes required to load the
cursor are as follows:
4-13
____ .LIL.\R. SIEGLER. INC.
OATA PRODUCTS DMSlON
KEY
SYMBOL
(UNSHIFTEO)
122 ;1
JiJ
SYMBOL
(WITH SHIFT)
Key
SYMBOL
(UNSHIFTEO)
- E] r
124;1
...L
125 ~ I
-L
E]
Irs ~I
-r
I
--r
r6~1
SYMBOL
'(WITH SHIFT)
-,
L
..J
,
=i
IF
•
Figure 4-3. Limited Gra.phics Mode Symbols
the termiDal reaponcia with the appropriate Pap
ASCII. Row ASCII and Column ASCII. followed
by CR. Example: To read the position to which the
cursor was commanded. above. the operation code
sequence is as follows:
COLUMN
ROW
, ASCII
l
Ascn
I
\ ESC =
Sam. Pag.
Emrv Cod.
,=Pag.'
and
Olnar Page
a-Pages
,
ac·
1
PAGI
ASCII
,
ASCII enaract., aSSOClatec:l
witn cursor row (1 thur 24.
and column (1 thru 80)
_tion. s.. fftu. . . . .
T
1.
ROW~
ASCII
COLUMN
ASCII
ADM 42 Reeponae
From Host
•
, &xarn-. Qoera1jon code ESC • 22M commandS the
. cursor to Pep 2. Row 19. Cotumn 48.
4.5.2.2 Read CUnor Op....tlon. '
The Read Cursor operation consists of the read
command from the h08t only and an immediate
response from the terminal defining the cursor
p08ition, regardles8 of whether Conversation
Mode or Block Mode is set. If the page in which
the cursor rests is known, the hoat execute8 ESC?,
and the terminal responds with the appropriate
Row ASCII and Column ASCII characten
followed by CR. If the page in which the c:m'8OI'
reate is not mown. the hoat aecu.tee ESC / , and
PapKnOWD
Pap UnlmoWD
4.5.2.3
ESC?
ESC/
2MCR
22MCR
Go To Page "N" Operation.
ADy page may be called up for display at anytime
by executing ESC 1., followed by the desind page
number. The appropriate page will be displayed
and the cursor will go to the last mown position on
that page. IfAuto Page is set, the cursor will go to
the same column position of the top row on the
selected page. Example: To call up page 4 for
display. execute ESC L 4.
Not.
1/ the last known position or HOME is
protected, the cW'Sor goes to the first
avail4ble unprotected position.
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
".
ASCII
CHARACTeR
SPACE
I
•
#
•
%
&
,
(
)
+
-·
/
9
;
<
:I
>
7
MODULO
NUMBER
ASCII
CHARACTeR
MODULO
NUMBER
ASCII
CHARACTeR
MODULO
NUMBER
•
32
,
64
33
34
a
0
1
2
3
4
5
6
7
8
9
•
0
1
2
3
4
5
6
7
8
~-
"
10
11
12
13
14
15
18
17
18
19
20
21
A
B
C
D
E
35
38
37
38
39
•f
40
h
J
41
42
J(
43
F
G
H
I
44
M
45
46
n
N
m
0
48
49
p
q
r
[
50
51
52
53
54
55
56
57
58
59
\
60
]
61
82
83
Q
R
S
T
U
W
Figure 4-4. Chart of
"
47
0
P
23
24
25
28
27
31
9
L
V
30~
c
d
i
j
k
I
22
28
29
b
X
y
Z
"-
s
t
n
. 78"
79
80
81 .
82
83
84
y
85
86
87
88
89
z
90
u
y
w
x
(
I
I
-
1
DEl.
Ascn Chara.cters us. Modulo Numbers
4-15
65
68
67
6B
69
70
71
72
73
74
75
78
91
92
93
94
95
_ _ _ _ LEAR SlEGl.ER. INC.
OATA PRODUCTS OMSION
PQSITtON
POSITtON
POSITtON
".
OPeFlATtONAL CODES
~~
S-P.Lo.d:
~El
s-n...... " . .:
IESCIIIJ
'NUt Page LaId:
~[JE1
'NUt p . Rnd:
~IZlEI
COL OPEFlATtONAL CODES
f
1
2
1
2
•
3
3
•
ROW
COL
OPEFlATtONAL CODES ROW
COL
#I'
4
4
>
21
21
30
31
V
58
S
5
8
7
5
8
7
1
32
Z
51
•
33
[
eo
34
\
61
8
9
10
62
)
8
9
10
•
11
11
+
12
13
14
12
SPACE
•"
,
I
·
·
/
13
14
t. ,."
"
;
a:
<
A
s.m. ..... a.o.a:
~"
V
58
)(
57
B
35
S-PageLo.d:
I
~G
C
38
0
37
~G
SMne Page Rnd:
1\
[!!JI!I
e
3B
F
39
~I!I
'NUt Page LaId:
G
40
H
41
s.ne ..... Rnd:
'NUt PageLo.d:
~DEJ
'NUt Page Rnd:
G!9IZJEI
I
42
J
43
5&
W
53
-
64
\
EiI5
68
EIDEl
•
Is
fl1
c
6B
80S
d
69
. 'NUt Page R. .:
•
70
2
,. ,.
M
20
20
N
47
"
73
3
i
74
0
48
j
7S
0
1
,
ROW
11
17
K
46
f .
71
18
18
L
•
I
72
48
4
5
2'
2'
22
22
P
49
k
76
8
23
23
Q
SO
I
77
7
24
24
R
51
1ft
78·
"0
so
a
25
S
9
28
T
52
53
:
27
U
~
"
"
Figure 4-5. Absolute Curso,. Add,.essing Ope,.a.tion Codes
4018
79
/
/
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 4-6. Chart of Cursor C-ontrol Operations
HOW TO exeCUTE
OPERATION
FROM HOST
oESCRIPTlON
KEYBOARO
CunorHOME
RS
/HOMEI
Oownline
I.F
mar
Cursor mava to upper left carner
position on page or if pro1llC1lld. to
first unprotectwd position on page.
Curser moves one incnment in the
specified direction. If the new position
is protected, cunor moves 10 first
unprotected position in the specified
line (for Backspace, the next previous
position is selected). Character under
cursor or character passed over is
not erased.
ILINE FEEOI
rn
Upline
VT
Backspace
as
Forespace
FF
Return
CR
New Une
US
/ PAGE/NEW/LINEI
Horizontal Tab
or Skip
HT
IBACK TASITAS I
S
EJ
.
/RETURN
I
Cunor moves to the first unprotectwd
pOSition in the line containing cunor•
Cursor moves to the first unprotected
position in the new line (combined
CR and LF).
O..-CIIIII only wRlft PmICt Mode or
TypNritlr TID Mod. is set. T. mCMII
cunor fOl'Wlrd to tn. n.xt unprottct'ld
pOlinon on tn. PI9Io If ttl,.. ia no such
pOlition, cunor mons to HOME or ttl.
next unprotlCttd poaition following
HOME.
or
ESC i
BacJctab
ESC I
ISHIFT BACKTASITASI
Backtab moves cursor blckwards to the
lilt previous unprotected position aftllr
If th....
• protectwd field on the
is no such position. cursor moves to the
end of the page.
P..
Load Cursor:
Column
IESC! EJ
Page N. Row,
Column
PAGEl
IESC 1E1 IASCII
Samep., Row,
Rear Cursor:
Known Page. Row.
Col
Unknown Page. Row.
Column
I II I
I
I II
ROW
ASCII
Refer to paratJl'lPh 4.5.2.1 for details.
COL
ASCII
Rowll COLI
ASCII ASCII
Terminal Response
lesci []
Iesc 10
ROW
ASCII
COL IICR
ASCII .
II
I
PAGE IROW
COL/lcRI
ASCII ASCII ASCII
4-17
Refer to paragraph 4.5.2.2 for details.
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
4.5.3 :Tab Control
4.5.3.1 Protect Mode Tab
• ESC 1
S. . a colUllUl of tab. at the <:UrII01' position
(01' the entire pap.
• ESC 2
Clears colWIIJI of tabs at cunor poatioD for
theenanpap.
OperaUon.
.ESC 3 SPACE Clears Typewriter Tab Made (aad all
IIIOIia1o taba..,
Ai the keyboed, I~AC~ TAB/~~ is used to
tab forward. andS!; i BA KAH/WI
to tab backwarda to preset tab positions, with
Protect Mode set. FroID the hoet, the BT or
ESC i code commands fonward tab, and ESC I
commands backward tab. Protect Mode tab. are
established by setting a vertical column of
protected spaces from the cursor p08ition down:
execute ESC V ortypeiS HIFrrrABI S ETI CLEAR I
Protect Mode is automatically set. The tab stop
is the unprotected position immediately following
the protected position. Protect Mode tab. (and
Protect Mode) are cleared by any Clear All
operation.
4.5.3.3 Modulo Tab Mode Operations
In Modulo Tab Mode. multiple columns of tab.
at reqular intervals for the entire page may be
established using an ESC 3 (ASCII) sequence.
The ASCII character entered defines the number
of character positions in each interval. This
character expresses a modulo I:1U1Dberfrom 0 to 79.
which is the value of the interval. See figure 4-4
for character vs modulo values. Example: To set
tab stopa every 10 character positions on every
.
line, execute ESC 3 •• .
4.5.3.2 Typewriter Tab Mode
OfM"ldlon.
In TypeWriter Tab Mode, tab stopa lDay be set,
cleared and utilized in much the salDe way as with
an ordinary typewriter. If Protect Mode is set,
Typewriter Tab Mode is inhibited; however
setting Protect Mode doea not clear an;
~writer tab. which ~ve been set. The tab stop
18 the ac:tua1 cunor poRtion at the tim. the tab set
command is executed. (For Protect Mode tab.
the tab atop is the nat unprotected poaition.) ,
•
ESC 3 (ASCII) sets modulo tab..
•
ESC 3 Space resets Modulo Tab Mode (and
Typewriter Tab Mode).
4.6
DATA EDITING CONTROL
OPERATIONS
The ADM 42 ia equipped witll extensive data
editing capabilities, moat of which may be
executed from the hoat and from the keyboard.
Table 4-7liats and describes all the data editing
operations available on the terminal, along with
the operation codes and! or keyboard operations
required to execute them. Clear and Erase
commands apply only to the current page, even if
Auto Page is set.
ESC 3 p establishes Typewriter Tab Mode if
Protect Mode is not set. If Auto Page is 'set
either before or after Typewriter Tab Mode is
set, the conditions established apply to ev;ry
page. While TyPewriter Tab Mode is set, the
following operation codes are active:
Not.
• ESC 0
If DIP switch S7·SW3 at location.
15M.is set to ON, NULL codes will not
be displD.yed.
Clears all Typewriter Tab.. but not Modulo
Taba.
4-18
_ _ _ _ LEAR StEGLER, INC.
DATA PRODUCTS DIVISION
Table 4-7. Data Editing Control Operations
HOW TO EXECUTE
OPERATION
a . . ALL to NULL·
FROM HOST
KEYBOARD
OESCRIPTION .
. . . WlIII'OIICIId ..d
ISHIFT ICLEAR NULL I Allpl'llllClld. is ct.Id
with
~
esc •
IIId .......
nail CadII.
cr.. ~LL to SPACIS
ESC +
ISHIFTICLEAR SPACEl
All displayed data. unprotected and
protllCt8d. is deared and replaced with
space or personalitY codes. Cursor
goes to HOME.
ESC ,
IESC 10
All d.layld daa is dund and
......ad wittl protlCtld spac& If
PmIct Modi is SIt It ttlis filM,
lfIel. . space an !tie se.... becam•
IIfttIII'IIIICIId. and cura nte¥. , .
tMrL
(Jltnanltil'l)
Oear ALL to
Protected SPACES
eun. gall to HOME.
.--
Oe.. Foreground to
NULL-
ESC :
0 . . Foreground to
SPACES (PersonaUtY)
esc ;
Set/Oear Page
Edit Mode
Set: ESC N
PAGE EDIT
(EOIT,appears in Status Line)
ICL!AR NULL
I
Unprotected data is cleared and
replaced with null codes. Cursor
goes to HOME or first unprotllCt8d
position on P• •
o
ICLEAR SPACEI
I
Unprotected data is cleared and
replaced with spacas or personalitY
codes. Cursor goes to HOME or first
unprotected posi ti on on page.
I
Modifies movement of data for CHAR
INSERT and CHAR DELETE
aperationL
I
IPAGE EDIT I
Oer. ESC 0
(EDIT removed from Status Line)
SetlOe. Auto Page
Set:
I
ESC.y
ISHIP] PAGE BACK
(APG appe. . in Status Line)
I
I
aear: ESC w
ISHIFTJ PAGE FWOJ
(APG removed from Status Line)
Set/aear Insert Mode
Set:
ESC q I ISHIP!! CHAR INSERTI
(lNSM appears in Status l.ine)
I
Oear: ESC r
ISHIFTI CHAR INSERTI
(lNSM removed from Status Line)
A" memory pages (4 or 8) connected
together to form one continuous page;
current page retains its page SUtuL
For additional information. refer to
p..agraph 4.4.3.
In the line con.taining the cursor,
a string of enaracters may be written
under cursor, without first writing a
space. All following characters move
one space to the right for each inseni-on.
Insertions are inhibited when inserted
characters fill the Iine (previous
characters following the cursor are
lostl. or protected field occupies last
space in the line.
-Nulls are not displaved when switch S7·SW3 at location 15M is set to ON.
4-19
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 4-7. Data Editing Control Operations (cont'd)
HOW TO EXECUTE
OPERATION
Wnelnswt
FROM HOST
ESC
e
DESCRIPTION
KEYBOARD
u.. COII1IiniIlf die CUIIIIt and ail 1 _
I_ _ilt dOM._a one·li... 0.......
line,it,..uad wi1ll unpratlald
_ _ CUIIIIt ...... to fint
pGllidon in 111.11.... WIs... ClIft i,
tuB. bGt'lGllllin. i,lose. If Writl
PmtICt Modi il-. u.."n.rt
mad&. If Prot.:t Modi il
. . Unllnan cannot b. p.tonned.
ILINE INSERTI
,...111.
I
une containing cursor is erased.
simultaneously. all lower lines shift
upwards one line. Cursor moves to
the first position of the line that
moves upwards. and the bottom line
is filled "Vitti unproteCted spaces. If
ProteCt Mode is set. une Delete cannot
be performed.
un. Delete
ESC R
ILINE DELETe
un. erase
ESC T
ILINE ERASE I
SIIrti", wtdl die cunor pGlli1ion, aM
en..., in 1he lint (or cumnt fill'"
ifPmlct Mode is_) ...........
,.."... wtdlSl*lt or p_nIIltv
cod.. Writl Prot.:t Modi il not
rat (Rttw to Penonllitv Sytll0).
uneErase to Null
ESC
ISHIFT ILINE ERASEI
Statting wi1ll tttt cursar pOlitian and
continuing tit tht end of tttt lint, IlJ
dlh, unprattc1ld and pratlCtld. i.
enad and I'lClIICad wi1ll unpratlC'lld
null cad.. If Write Prattct Madt il
• it is not , . . (RIfw to Penonllitv
By. 10).
.
Page Er. .
ESC Y
IPAGE ERASE I
Stwdng wjtft 1IIt CUIIIIt posidon and
cantinui", to die end of 1IIe PIlI. ••
unpnn.tld en...,
and
.......... wi1ll unpnmctld spICa or
personllitv cod.. If Wri1I PrutICt
Mode i.... it il not , . . (RIfw to
Personllitv Sytll0).
Page Erase to Nulls·
ESC y
I SHIFTlpAGE ERASE!
Stilting wi1ll tttt cursor pOlition and
continuing to tttt end of tttl pagl, III
data, unpratactld and protlctld il
c'..nd and rI"laced with un"rottc1ld
null codes. If Writl Protect ModI is
SIt. it is not mit (Ref.r to Personalitv
Byte 101.
t
·Nulls are not displayed when switch S7·SW3 at lOcation 15M is set to ON
1ft.,...
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
Table 4-7. Data Editing
Con~ol
Operations
-."
HOW TO EXECUTE
opeRATION
Page a.:k
ESC J
Page-Forwn
&SCI<
OIaracutr Insert
ESC Q
OESCRIPTlON
KEYBOARD
FROM HOST
IPAGE BACI< I
I PAGE FWD I
ICHAR INSERT
p.
Each time a Page Farwn or P9 Back
cammlnd is euc:utlld. ttl. CUmtrlt
and CLlnar position are memorized
(unl. Auto Page is sed. Oata wnich is
residlnt on a ~ is rlttlined wnen
anottler p . is cajled up. Ouring a
Page Forward operation. the shift is
to Page 1 wnen ttlelast page (4 or 8)
is reached. The,. is no shift from
Page 1 during a Page Back operation.
I
Writll I so. under ttle cunar. III
fedlowillt cnenmn move one qIICI
to ttle rithf. If line il full, I. . en...
. . in ttleline is 10ft, unl. en..
. . il pra1lCtld or Pap Edit il SIt.
If , . Edit il SIt. I . enlrlCt'll' in
.... line _ _ lrOund to ttle nnt
Ii.., .ad so on to ttle end of ttle
apemion twminltll wn...line
il ·lItd witt! inllftld SO. . or a
pra_tId fi.d il"aun1lnd.
rs;
OIaracter Oelete·
4.7
esc.
W
ICHAR OELETE
DATA TRANSMISSION
CONTROL OPERATIONS
4.7.1 Block· Mode Send
Data Transmission or Send operations are
associated most directly with Block Mode or
optional Polling transmissions to· the host
computer. Table 4-8 lists and describes all the
Data Tranamis.ion operations available. along
with the ~peration codes and! or keyboard
For
operations required to execute them.
additional Data Transmission information,
ref.. to paracraph 3.5.
4.7.2
I
DlletlldIII• • undlf cur.: ..
cIIii.III.1ttIr faa. in ttle flltd or
lint mow 0. . . . . 111 the 11ft 111 fHl
dIte1Id poIition. A . . . il wriftIn
It tlte end of tlte flltd or line (or PII)e
if P3fJII Edit is .d. Whln PIIJI Edit
is SIt. tlte fim en __• in tlte
faftowing line mOVll up to fill tlte
a.1tId I . polition in ttle prwious
Ii..; cllWK1lrl tIIlt fedlow move one
. . . to tilt left, II'Id so on, to ttle
... of tilt IIIIJI. Pro_tid p_tions
. . not dlsturtltd.
Dynamic Baud Rate Control
The- baud rate at which the MODEM port and
ASYNC PRINTER port transmissions occur are
independently controlled. The standard or default
baud rate for each port is established by the
MODEM and PRINTER BAUD RATE rotary
switches on the front panel. This default setting
can be dynamically modified by executing an
appropriate ESC: (ASCII) operation code, where
the (ASCn) character corresponds to the desired
baud rate listed in table 4-9. The table also shows
the equivalent BAUD RATE switch position for
each (iynamic s~tting. Any Power ON, RESET
button, or Firmware RESET operation terminates
all dynamic baud rate settings.
_____ LEAf1 SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 4-8. Data Transmission Control Operations
HOW TO eXECUTE
OPERATION
FROM HOST
I
Start of Message
150M
End of M. . . .
IEOMI
Ima.ds STX code in displayed rneaagIt;
uad to designate S18rt" of meaaglt during
Stnd M..... opera1ions (Black Mode
only).
Imbec& EiX code in displayed messaga:
uMd to designate end of message during
Send Message operations (Block Made
only).
Send Une Foreground
ESC 4
ISEND LINE I
Send Page Foreground
esc
ISEND PAGel
5
.
s.nd Line All-
esc s·
ISHIFT! SEND LINE I
Send Page AU-
esc
ISHIFTlsENO PAGel
7
OESCRIPTtON
KEYBOARD
Sends line of unproteCted data. starting
at beginning of line containing cursor
and ending at the cursor position.
Sends only unprotected data on page.
starting with first unprotected character
and continuing to cursor position. If
Auto Page is set. unprotected data on
all pages. up to cursor position. is sent.
Sends line of unprotlCted and proteCted
dati. starting at Ute beginning of Ute line
containing ttt. cursor and ending at cursor
position. ProteCted fields are bracketed
by eSC) and esc (.
Sends all..data on page. starting with HOME
and continuing to cursor position. Protected
fields an bracketed by ESC ) and
If Auto Page is set. atl data on atl pages.
up to cursor position •. is sent.
esc (.
Send Message Foreground
esc S
ISEND MSG
,.
.
Send Message All-
esc s
I SHIFTI SEND MSG I
·Operation is modified by ADM 421ADM 2 Attribute Control operations.
Sends unprotected data in message displayed
wtlich is bracketed by STX • ETX
(ig&i] ) codes. If no STX
cod, is encountered. cursor startS at
HOME or first unprotected position following HOME. If no ETX code is encountered
transmission stopS at end of page (end
of last page if Auto Page is setl.
( rmMl
Sends III dIU. unprotlCUd IIId protICtId. in
mllllp which i, bnlcklted by STX • Ene
(ISCMI ~ ) cod... If no STX ctlde i,
encounll , cursOr stwtI at HCME or flnr
unprot'lCtld pOIition foil oM", HOME. If no
Ene cod, is Incountlnd, tl'lnsmillion 1t0Cll
at end of Pili 'end of I . Pili if Auto , .
ilad. PnstlC1ld f. . . . . . .kItH by
esc lind ESC (.
I
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
4.8
PRINT TRANSMISSION
CONTROL OPERATIONS
Table 4-10 lists and describes all the Print
Tnm.emis8ioD operations available, along with
the operation codes andl or keyboard operations
required to execute them. For additional Print
Tnm.emis8ioD information, refer to parac:raph
3.6..
.
4.9.2 Dynamic Personality
Change Codes
Dynamic (temporary) personality modifications
may' be made by means of personality change
operation codes. Dynamic modifications are reset
during power-up of the ADM 42. The operation
codes 11ft eecape sequences having the following
strac:tme:
ESC.
or
,E~••,
4.9
PERSONALITY CONTROL
The AD M 42 personality has the capability of
allowing certain terminal characteristics to be
altered. These characteristics or traits may be
"permanent" or"dyanmic" (temporary). Dynamic
operation codes may be executed from the host or
the keyboard.
4.9.1 Display of Personality Codes
Fi.v.
4-6 shows a coding chart for all the
personality codes available in the ADM 42.
This chart may be called up to the screen by
executing ESC 0 O. The displayed codes are HEX
codes which have the following significance. The
ADM 42 personality has the capability to allow
certain terminal characteristics to be altered.
L
HEX code 00 means NULL or NO-OP.
b. The HEX codes for Bytes No. Othru No.8
define the actual ASCII characters used in the
applicable operation.
Co
The HEX codes for Bytes No.9 and No. A ha"Ve
special significance for RTS ON Delay and
RTS OFF Delay control operations as
described in the paragraphs which follow.
d. The HEX codes for Bytes No. B thru No. F and
No. 10 and No. 11 have hexidecimal values
which are' deaned during the following
discussion of Dynamic Personality
Change Codes.
T
SELECTED
Penon.lit" Eller)'
Code
Byte o-F
PERSONALITY
BYTE.
HEX code of n_ ASCII
character. or HEXa.
decimal value which sets
to "1" thl! appropriate
operation bita ){uthl"l1 X7.
One digit 0 thl"l1 F selec:ts
appropriate per.IOnality
to b. chan,eci.
4.9.2.1 Modification of Escape
Lead-In CharaCter
As shown in figure 4-6, the standard or default
Escape Lead·In Character is ESC (HEX lB).
Personality Byte 0 (ESC. 0) can modify the lead-in
sequence to' replace the normal ESC code with .
another ASCII character, which then would ~
used as an escape sequence lead in.ISHIFt I ESJ
then may also be used to execute an escape
sequence from the keyboard.
4.9.2.2
Modification
, Character(s)
of
End
Block
Figure 4-6 sh'JWS that the standard 1st End Block
(transmission terminator) character is CR (HEX
00), and the 2nd End Block character is NUL
(HEX 00). Personality Byte 1 (ESC. 1) is used to
modify the 1st terminator, and Byte 2 (ESC. 2) is
used to modify the 2nd terminator. These
characters are transmitted at the end of all
Block Mode transmissions.
4.9.2.3 ·Modlflcatlon of New Une
Character( s)
Figure 4-6 shows that the standard 1st New Line
character is US (HEX IF') and the standard 2nd
End Block character is NUL (HEX 00).
Personality Byte 3 (ESC. 3) is used to modify the
1st New Line character, and Byte 4 (ESC. 4) is
used to modify the 2nd New Line character.
Example· It is desired to transmit LF and CR
instead of the standard US character: execute:
ESC. 3 OAt followed by ESC. 4 OD.
DESCRIPTION Of 8YTE
~
~.
Cln, IEr ilse/lmerl/Oeleae
Replacement Character _ _ _ _ _ _ _ _ _ _ _ _ _ _-,
~
~
Parity Error Replilccmenl Characte' _ _ _ _ _ _ _ _ _--.
fUNKEY bild·ln Character _ _ _ _ _ _ _ _ _ _--,
field Delimiter Chil,acter _ _ _ _ _ _-;._ _ _-,
2nd End 01 line Character _ _ _ _ _ _ _ _....
End 01 line Chilracter _ _ _ _ _ _ _ _--,
....
-t
t:J
w
.....------------Rts.TAITO..·V
, . . - - - - - - - - - - - - · I t s Off Oela,
, . . - - - - - - - - - - - 'oIIlna V.......
. . . - - - - - - - - - - - T'lIUmillioa Nuaabtr Cont.oI
r---------'ow.r·Up Tala Mo. Cllt
, . . - - - - - - - - SpecW fURCaloa Cllfly" f
I
0'
ii"
2nd End 810ck Chilracter
~
End of· Block Cha'ilcte,
'<
.•
DESCRIPTION OF BYTE
0
.....
~
;:s
Escape lead· In
Charilcte~
11
Byll No.
~
it
~
;:s
~
Byt. No.
~
i=
Special Function
Control Byt. 10
=
Special Function
Control BY'e II
,
."
6
7 8
Q ABC
o E
f
18 00 00 IF 00 IC 01 00 20 00 03 00 00 00 08 02
OJ
'<
6
Dynamically Modified Byt. VIIUI
IP.nonility Entry Cod.· ESC • »
Dynamicilly Modilied By .. Valu.
IPlnonility Entry Cod•• ESC •• »
"'
'<
2 3 4
18 00 00 IF 00 IC 01 00 20 00 00 00 00 00 OB 02
~
::-:
I
Delault Vilu. 01 Byt•
Delault Villu. 01 Byt.
0
r - - - - - - - Status Line Visual Attribute Cu,
DISPLAY
02 01 00 00 00 00 00 00 00 00.00 00 00 00 00 00
02 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00
10 II 12 13 14 16
- --..1 '
-
----------11
16 17 18 19 IA 18 IC 10 IE If}
Y
-
' -_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ AII om.r BVle. Not Used
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 4-9. Dynamic Baud Rate Control Operation Codes
MODEM PORT
PRINTER PORT
eQUIVALENT
BAUD RATE
SWITCH POSmON
50
esc:.
esc:'
0
75
ESC:A
ESC:.
1
110
ESC: a
eSC:b
2
134.5
esc:c
eSClc
3
150
eSCID
eSC:d
4
300
esc:e
esc:.
5
600
ESC:F
eSClf
8
1200·
esc:G
eSClg
7
H300
eSCIH
esc: h
8
2000
ESC: I
esc: i .
9
2400
ESCIJ
esc: j
10
3600
esc:
I(
esc: k
11
4800
eSC:L
esc: I
12
7200
ESC:M
esc: m
13
9600-
ESC:N
esc: "
14
DESIRED
BAUD RATE
• Standard (default) baud rate for PRINTER port
- Standard (default) baud rate for MODEM port
.
-
4.9.2.4 Modification of FIeld
Separator Character
4.9.2.5 Modification of FUNKEY
Lead-In Character
Fipre 4-6 showl that the standard Field
Separator character is FS (HEX 1C).· Personality
Byte 5 (ESC. 5) is used to mociit'Y this character.
Field separators are usually employed when
Protect Mode is set to delimit protected fields.
Example - To change the Field Separator
character from FS to EM. execute: ESC • 5 19.
Figure 4-6 shows that the standard FUNKEY
Lead-In character for unpt'ogrammed ~nction
keys!Eil
thru
without or with
ISHIFt'! • is SOH (HEX 01). Personality Byte 6
(ESC • 6) is used to modify this character.
Example - To change the SOH character to the
STX character. execute: ESC • 6 02.
rm.
_ _ _ _ LSAR SIEGLER. INC.
OATA PRODUCTS DMSlON
Table 4-10. Print TransmissioD Control Operations
HOW TO EXECUTE
OPERATION
FROM HOST
Prim PaQIt·Formatad
ESC
KEYBOARD
IPRINT I
P
DESCRIPTION
Sends aI' data on page. up to cursor position
to be nmmittlld in Page Format Mode,
(refer to paragraph 3.8). It Auto Page is
1ft. print dati on all pages up to cunor
position. is sent.
Prin"t Page Unformatted
ESC
p
ISHIFT IPRINT I
Print Protected Dati
ass.-..
ESC
•
~[!]
.
CGIIYPrint
Set:
ESC A t
Reset:
DC4
Set:
ESC A 2
R..c:
DC4
Witttauta .....
Copy Print
With Display
..
Ii9GJUl
I Esc10[]]
Unbuffer.ed Print
Page Format
ESC[OP
IESC I[]@][J
Unbuffered Print
ProteCted Cata as
Spaces
ESC. [ O.
IESC IOJ@][!)
Buffered Print
Page Format
ESC(2P
I esc I[D[][!J
Sends all data on page. 'rom cunor to EM
cede or end of page. in Unformatted Page
Mode (refer to paragraph 3.6). If Auto
Page is set. print data on aU pages is sent.
~ and null cades are transmittad along
wid'! all trailing spaces.
UnproteCted dati is sent. wid'! protacted
dati sent as spaces. Nulls or trailing spaces
are not transmittad and attribute cades are
transmittad as spaces. If Auto Page is set.
print dati on all pagIS. up to ~nor position.
is sent.
Dati is read into print buffer (lilt paget at
terminal baud rate and transmittad at
printer baud rate in Unformattad Print
Mode (refer to paragraph 3.6). Meanwhile.
normal ACM 42 operations continue on
od'ter pages. Data is lost if buffer overflows.
Dati is reid into print buffer (last paget
and displayed on current page(st at terminal
baud nlte; transmittlld at printer baud ra1It
in Unformatted Prim Mode (refer to
p. . ..,,3.8). Data is lost if buffer
overflows.
All dati on page is transmittad to printer.
just as displayed on screen.
All unproteCted data on page is transmitted
to printer, with proteCted data sent as
spaces. Trailing spaces or nulls are not
transmitted. and attribute control codes
are transmitted as spaces
Print bufflr n. page of dilf)'lY mlmorv) Ift....~
0111 ill PI9I format is tnnIfImcI to print bufflr,
tIIIn front'dIe bufflr to prin1Ir It prill... bIUd
...
,
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
Table 4-10. Print Transmission Control Operations (cont'd)
HOW TO
FROM HOST
OPERAnON
Buffered Print Pro _ _
exeCUTE
KEYBOARO
ESC[2.
[!!9[Dilll!l
Unbuffered Print
Unformatted Oata
ESC[Op
§lm~0
Buffered Print
Unformatted Oata
eSC[2p
elIlJ][3
Oataas...
-
OescRIPTION
Print buffer enabled. All un""cmtc:twd data
on page is trails_red to print buffer ~1h
pro_ _ data ant a spaces. Trailing
spaces or nulls are not tranSferred. and
attribute control cades are sent as spaces.
Contents of buffer are then transmitted
to printer at printer baud rate.
All dati 011 ~~ tram CUIIGI to EM code
ar and of PIIJI is trIIISI'IIiftld unfarmlftld.
in OM continuous amm. liM camrol
cadis and int'lmll ADM 42 dIIay coda
• amiftld. SPAC! and NULL coda
• ,......iftld. _ .... widl trliiing . . . .
1ft........
Print llufflr
All ... 011 PIIJI•
... c:u..- to EM code _lAd of PIlI
is I ........ unformlClld, in OM
cantinuDIII an.n to print bufflr.
Line contrOl codaand·intlmll
ADM 42 delay cada . . amittld.
SPACE and NULL cadIS . . trln...
ntiftld. alang widt all trliling SIIICISo.
Contlfttl af buffer . . mlft trIIISI'IIift'ltf
tD printIr It printlr bIud I'ItI.
Ret._Print
Buffer
esc A Q
@9[!J(]
Print buffer is reI.~ but only attar
buffer is emptied and mode is r. .t.
4.9.2.8 Modification of Parity ·Enor
Replacement CharaCter .
4.9.2.7 Modification of Clear/Erasei
Insert/Celete Replacement
As shown in figure 4-6. the standard parity error
replacement character (the character written on
the screen when the ADM 42 senses a parity
error). Thus, whatever is received in a message is
displayed. Personality Byte 7 (ESC. 7) is used to
modify this character. Example. To change the
replacement character to NAK, execute:
ESC. 7 95. Upon receipt of parity error, a N AK is
displayed as a replacement character and
PARITY is displayed in Status Line 25. if Bit
Xi of Personality Byte 7 is set.
As shown in figure 4-6 the standard
Clear/ Erase/Insert/Delete replacement
chara~ter is SPACE (HEX 20). Personality Byte 8
(ESC • 8) is used to modify this character.
(Operation bits Land X70f Personality Byte 10
modify the use of this character.) ~ple - To
change the Clear/Erase/Ins8"tlDelete character
to NUL, execute: ESC • 8 00.
_ _ _ _ LEAR SIEGLSI, INC.
DATA PRODUCTS DMSJON -
4.9.2.8
RTS START Delay Control
The time delay in milliaeconds from when Request
To Send (RTS) goes high and the actual start of
transmission' (CTS) during a Block Mode
transmisaion ia the RTS START Delay time.
Personality Byte 9 (ESC • 9) ia used to establish a
different time delay than that inherent in the
terminal. HEX 00 (see figure 4-6) means no
change in the inherent value. Any other HEX
code. when converted to a decimal value, would
express 112 the desired delay time in milliseconds.
Example - To establish an RTS START Delay
time .of 115 milliseconds; execute: ESC .9 3A.
(HEX 3A=Decimal58.)
4.9.2.9 RTS OFF De.ay Contro.
The time delay. in milliseconds, from the end of
transmission until RTS is turned OFF (RTS goes
low), during Block Mode transmission, is the
RTS OFF Delay time. PEtr80nality Byte A (ESC.A)
is used to establish a different RTS OFF Delay
time than that automatically established under
firmware control (proportional to baud rate).
Any other value desind should be established in
ac:cordance with the RTS OFF Delay times
recommended by the chart in figure 4-7.
Example - To establish an RTS OFF Delay time
of 9 milliseconds (approximately 2x the number of
interrupts required at 1800 baud,) execute:
ESC. A 06.
4.9.2.10 Polling Optton Variant Control
Personality Byte-B (ESC. B) control.e the optional
PolliD. Option variables listed in table 4-11.
Each operation is either set to ON or OFF
depending upon the logical condition (1 = ON;
o = OFF) of the operation bit controlling that
operation. The HEX code oftbis byte (ESC. B) is
the HEXadecimal value of all the operation bits Xo
thru X7which must be set to ON at the same time.
(Refer to table 4-11). Example - To establish a
Polling operation in which: a) headers are
required; b) any key may be used to establish Local
Mode; and c) FAST SELECT is conditional, other
polling operations are standard. Operation bits
LXuto must be set; execute ESC • B 0 7.
Note
Fa,. detailed inform4tion on Polling
and Addressing. refer to Section Vof
tm. manual.
4.9.2.11 Polling Transmission Number
Umit Control
The tranamiaaion numberis the number ofPolling
transmissions that will be counted before
recycling the count. This number is imbedded in
the Polling header (refer to Section V) when
of Personality Byte B
operation bit L
(table 4-11) is set to ON. Personality Byte C
(ESC. C) controls the transmission number limit.
The default value (00) of this byte (see figure 4-6)
spec:i1ies that the transmission number will not be
sent. Other transmission number limits may be
established as follows:
• ESC • C 01 specifies transmission number
alternating between 01 and 00.
' ./
• ESC • C 02 thn ESC • C 09 counts
transmission number 02 thru 09 before
recycling.
4.9.2.12 Power-Up Tab Mode Control
(See figure 4-6.)
Power-Up Tab Mode Control Byte D (ESC. D)
establish.. whether or not Modulo Tab Mode is
automatically set at power-up. Operation bits Xc
thn X. of this byte are set to ON to express
ASCII character which determines the modulo
tabbing interval, in accordance with the ASCII vs.
modulo values in figure 2-4. When bits Xothru X,
are all OFF. Modulo Tab Mode is not set at
power-up; modulo tabs can be set only by
executing ESC 3 (ASCII), as described in
paragraph 4.5.3.3. Modulo Tab Mode (and
Typewriter Tab Mode) are reset by ESC 3
Space.
an
Bit X70fbyte D is used as specified in table 4-1ff
to control whether Modulo tabs or Protect Mod~
tabs may be reset by the Clear All (ESC • and
ESC +) commands.
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 4-11. Polling Option Variant Byte B Operations
OPERATION
BIT
TITLE
esc. B
(BYTE)
OESCRIPTlON
X7
R..".
80
RIMrved
Xa
Communications
Buffer Controt
40
ON- I'dll", Cammuniali. . au"., (1_ . .
P..-t is . . . . . (DIP SwitI:tt S40SWI
AddrtaIiIl
Print Bu".,
C4II1rOI
OFF
ON). Incam'" d. . hltd in bufflr wniI
...... is COIII,.11IIi. It no ImHS,
...... gGllto .......
.
Xs
STD (OEFAULTI
BIT CONOITION
OFF- Polling Communications Buffer disabled;
incoming data goes directly to screen.
20
ON • Addressable Print Buffer (last page diq)lay
memoryl enabled (see Section VI.
OFF
OFF- Addressable Print Buffer disabled.
X4
Transmit Ust
Character
10
ON • Transmisiion of last character (under
cursorl is inhibited.
)
OFF
OFF- Ust characttr (under cursort is
tranSmitted.
X3
Retum to Locall
Idle State
08
ON • Terminal automatically retums to Local
State upon completion of Polling message.
OFF
OFF- Te"ninal automatically retums to Idle State
upon completion of Polling message.
~
FAST SELECT
04
Control
ON - FAST SELECT is conditional; termini' must
._ldleS_to . . . . data.
OFF
OFF- FAST SELECT is unconditional; terminal
is commanded to Idle State and must respond.
X,
Local Modi
Control
02
ON - Any key may be used to establish Local
State.
OFF
OFF- CONV required to establish Local State
(Compose Model.
Xo
Headers
Required
01
ON • Headers are required in all communications.
OFF- Headers are not required.
OFF
_ _ _ _ LEAR SlEGLEfI. INC.
DATA PRODUCTS DMSlON
RECOMMENDED RTS OFF DEt.A Y TIMES
RTSDELAY
(MILUSECONDS)
343
229
BAUD
RATE
-
175
127
115
OPeRATlON
CODE
50
7S
110
134.5
150
S1
29
300
800
15
1200
ESC. A AC
esc. A 73
esc. A 58
esc. A 40
esc.AlA
ESC.A 10
ESC. A OF
ESC. A 08
RTSDELAY
(MILUSECONDs)
9
9
7
7
5
5
5
BAUD
RATE
OPERATlON
CODE
1BOO
2000
2400
ESC. A OS
esc. A 08
esc. A 04
esc. A 04
A 03
ESC. A 03
esc. A 03
3600
esc.
4800
noD
9600
Figure 4-7. CluJrt of Recommended RTS OFF Delay Times
Table 4-12. Power-Up Default Modulus Tabs Byte D·
I
81T
X7
n
OPERATION'
esc. D
TlTU
(BYTE)
DESCRIPTlON
80
ON • 0 •• all tYpewriter 1ICI widt 0 •• All
( ESC • and ESC +1 ccmmandL
TYSMWritlr Tab
0 • .,
I
Xe
Power·Up Tab
Mode
40
STD (DEFAUL
BIT CONDITION
OFF
OFF- Only Protect Mode tabs cleared by Clear
All command. TyPewriter Tabs and
Modulo Tabs are cleared in nonnal manner.
Bits ON or OFF. required to define the ASCII
ALl-OFF
ctwacw setectld wtlictl m.., be used at Power·Up
Xs
20
X4
10
~
os
X2
04
X,
02
Xo
01
time to ini1ialize ModuJo Tab Mode. without
eMCU1ing ESC 3. NominaUy. chancter u1ilized
is Gte s.m. used wnen the sequence
3 is
used.
esc
I
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
4.9.2.13 Special Function Control
Byte E (See FIgure 4-6)
Several miscellaneoaa operatiODJI 81'8 controlled
by P8l'I!IOII8lity Control Byte E. sa shOWII in
table 4-13. Th. HEX value of ~ byte
detenDiD.. which operatioDJl, 81'8 seC to ON. Th.
default valueofthia byte (08) speei:fiesihat video is
not automatically tamed off after approximately
20 minutes of no chanlJ8 in the display. lUampleExecute ESC • E 89 to seC operation bits
X7LXowhich specify. a) personality changes from
the keyboard are inhibited; b) automatic video. off
is inhibited; and c) programming of function keys
and display of FUNKEY messages are inhibited.
Other default operations 81'8 not affected.
4.9.2.14 Status Une Attribute Control
Byte F
The personality byte (Byte F) controla the visual
attribute of the meuage in Statu LiDe 23, as
ahoWII in table 4-14. The HEX 'lab,. of the byte
determines which operation bits 81'8 set to ON.
Alao. operation bit Lis farth. controlled by DIP
switch S&SW3 at locatioll 14M. which defines .
whether the Statu Line field will be 1lI1Cieriined
(SW3 ON) or blanked (SW3 OFF). The default
value of this byte is 02 (see figure 4-6) which
specifies that the 23th Line message will be
blinking when entered. Example - Execute
ESC. F 0'7 to set operation bit. XiltXoand specify
that the Statu LiDe entry shall be reversed,
blinking and lUlderiiDed (SW3 set to ON poaition).
4.9.2.15 Speciaj Function Control
ayte10
'Several miscellaneoaa operatioDJI 81'8 controlled
by Personality Byte 10, sa shOWII in table 4-US.
Th. HEX value of the penon.uty bytedetermiDes
. which operatioDJI 81'8 set to ON. The defaultvalu.
of this byte is 02 (aee fipre 4-6) which specifies .
that the Erase Page operation when used, will
tenninate Write Protect (WPRT). Example Execute ESC •• 0 62 to set operation bits
XaLXl which specify: a) for Clear operatioD8, the
replacement character is as specified in
Personality Control Byte 8. The Erase Line,
Scrolling. New Line. and Erase to Soaces
operations 81'8 normal; b) protected field delimiter,
FS. is imbedded after an unprotected field; and c)
Erase Page operation terminatea Write
ProteeC.
4.9.2.18 Spedal Function Control
Byte. 11
Several powerooap conditioDJI 81'8 controlled by
Personality Byte 11, as shOWll in table 4-16. The
HEX value of the byte determines which
operatioDJI81'8 set to ON. The default value ofthia
byte is 01 (see ftgure 4-6) wbich specUies that
CAP LOCK is set when power-up is complete.
4'!.10
VIDEO ATTRIBUTE
CONTROL OPERATIONS
Video attributes highlight or otherwise call
attention to selected portions of the display. The
lUlderlining or blanking video is selected by
meaDJI of DIP switch S6-SW3 at location 14M.
4.10.1 Cursor and Video Control
The sequence for modifying the cursor and
video is ESC - (ASCI!), where (ABCll) defines
the modification. The modification applies to
fI'Iery display page and remains in effect lUltil the
terminal is RESET or is further modified by an
ESC - operation cod.. Th. cursor and video
modification operation codes 81'8 as follows:
• ESC - OVi~ OFF (data entend is ritained)
• ESC -1 Video ON; cunor OFF
• ESC - 2 Video ON; cursor steady
• ESC - 3 Video ON; cursor blinking
4.10.2
Displayable Character
Vldeo
The video attributea for displayable characters
(including displayed control codes) may be
modified by ESC G (0 thru F), where (0 thru F)
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
Table 4-13. Special Function Control Byte E Operations
OpeRATtON
BIT
X,
TtTLE
ICeybolr'd Persano
..itv QtIl'l911
ESC. E
(BYTE)
80
DESCRIPTION
STD (DeFAULTt
BIT CONDITION
OFF
ON • Inhibit !*SOn.itv enll'l911 from 1he
Icey~
OFF- Personality en. . . . from keyboard
are accepted.
Xa
une Erase
With CR
40
ON • CR eruesremainder of current line before
executing normaj CR operation;
OFF- Normal CR operation.
Xs
New une
With CR
20
ON • Executing CR also executltS New un..
OFF- Normal CR
,X4
Auto une
W....,
.10
OFF
...
OFF
opera~on.
ON • AUto une W...., is inhibited•. Operator must
use CR ,NL, etC. to get to next line.
OFF
,,
OFF- Auto Une W..... New Une autom.acally
executed when pOSition 80 is filled.
X3
Auto Video
Shut Off
08
ON • CRT video not shut off after approximately
20 minutes of no display activity.
ON
OFF- CRT video automatically shut off after
approximately 2D minutltS of no display
activity.
X2
Pseudo Send
Dol
ON
·1 PAINT lsends SOH P CR
OFF
ISHIFTIPAINTlsends SOH p CR
ISEND LINE lsends SOH Q CR
.
ISHIFTlsEND LINE Isends SOH Q CR .
ISENO PAGE Isends SOH R CR
I
ISHIFTISENO LINE sends SOH r CR
ISENO MSG Isends SOH S CR
I
ISHIFTlsENO MSG sends SOH s CR
OFF- Oiailll modi ; normaj SEND or PRINT
operations
I
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Table 4-13. Special Function Control Byte E Operations (cont'd)
OPERATION
ESC. E
(BYTE)
TlTt.E
BIT
LaM Cursor Skip
Xl
02
OESCRIPTION
ON • CArsor skips out of protected field if
position is specified during a Load
Cursor operation.
STD (DEFAULT)
BIT CONDITION
OFF
OFF- Cursor ramains in protected field if
position is specified during a Load Cursor
operation.
01
FUNKEY
Programmingl
Displav
Xo
ON" Inhibit programming of function keys and
display of FUN KEY messages.
OFF
OFF- Normal FUN KEY operations.
Table 4-14. Status Line Visual Attribute Control Byte F Operations
OPERATION
esc .. F
TlTt.E
BIT
X7
(BYTE)
Reserved
80
Xs
40
Xs
20
X4
10
X3
Reversing Control
.
04
Blinking Control
STO (OEFAULTl
BIT CONOITION
OFF
Ir
ON - Status Une m8SSa91 reversed.
OFF
OFF- Status Wna message in normal or
pe~onality video.
I
Xl
Reserved
08
"
X2
OESCRIPTlON
02
ON ,. Status Une message blinking.
ON
OFF- Status Line message in normal or
personalitY video.
Xo
Underlining or
Blanking Control
01
ON .. Status Line message underlined (S6·SW3
@ 14M set to ON) or blanked (S6·SW3 at
• OFF).
OFF- Status Line message in normal or
personality video.
OFF
_ _ _ _ I.EAA SIEGt..Ef'. INC.
DATA PRODUCTS CMSlON
Table 4-15. Special Function Control Byte 10 Operations
OPERATION
BIT
x,
TITLE
Erase to ~8CII
Replacement
Character
ESC .. O
(BYTE)
DESCRIPTION
80
ON • Erase to Spaces operation uses replacement
character specified by Personality Byte 8.
STD (OEFAUL"
BIT CONDITION
OFF
OFF- Normal Erase to Spaces operation.
Xs
Clear to Spaces
Replacement
Character
FS vs. Protect8d
Field Control
OFF
OFF- Normal Clear to Spaces operation .
.
Xs
ON .. Clear to Spaces operation uses replacement
character specified by Personality Byte 8.
40
ON .. Protected field delimiter, FS. is imbedded
after unprotected field.
20
OFF
OFF- Protected field delimiter. FS. is imbedded
before unprotected field.
X4
Transmit NL
10
ON • Inhibit transmission of 1st and 2nd New
Line characters (Personality Bym 3 and 41
Control
OFF
OFF- Normal transmissi~n of 1st and 2nd New
Line characters.
X3
Scrolling Control
ON .. ScrOlling of an unprotected page is
inhibitl!d.
08
OFF
OFF- Normal Scrolling operation.
X2
Reserved
04
Reserved
X,
erase Page VI.
Write ProteCt
02
ON • Erase Page oper!ltion resets Write Protect
Mod••
OFF
ON
OFF- Normal Erase Page operation.
Xo
Erase Line vs.
Write Protect
01
I
ON '"' Erase Line operation resets Write Protect
Mode (WPRT).
OFF .. Normal Erase Line operation.
OFF
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
Table 4-16. Special Function Control Byte 11 Operations
OPERATION
BIT
X7
ESC .. 1
(BYTe)
TlTLE
Xe
40
Xs
20
X4
10
X3
08
X2
DESCRIPTION
R..ved
80
R....-v.d
Power-Up Conv
Mode Control
STO (DEFAULTI
. BIT CONDITION
ALI. OFF
ON .. Conversation Mode is set when power·up
is completed.
04
OFF
OFF- BlocJc Mode is set when power-up is
compfeted.
Xl
Reserved
02
Xo
Power·Up CAP
01
.
Reserved
OFF
ON - CAP LOCK is set when pawer-up is
LOCK Conn
ON
campi. . .
OFF- CAP LOCK is not set wnen power-uD is
completed.
defines the attribute. (Refer to table 4-17.)
The attributes apply to the area bracketed by the
operation code, or to the end of the cun'8Dt page
(DIP switch S6-SW2 OFF) if a cloaiDg operation
code is DOt entered. (DIP. switch S6-SW2 ON
cauee the attribute to be effective only to the fa
of the current liDe.) The oper&tion is not changed
if Auto Pace is Hi.
Not.
When the optional Line Drawing
character generator i8 i1UtaUed, the
Sttllldard Character Generator i8 also
available for rue.
4.10.3
ADM 421ADM 2 Attribute
Mode Control
Main logic board DIP switch S6-SWl provides a
means of selecting ADM 42 Attribute Mode (S6-
SWl OFF) or ADM 2 Attribute Mode (S6-SWl
ON) for special control of the blanking and
underlining attributes. Table 4-18 liats the
variOQ8 operation codes required to select the
attributes. If any of these special attributes is
selected. the Send LiDe All. Send Pace·All. and
Send Mesaace All operatiOD8 (table 4-8) are
modified u followa:
• ADM 42 Attribute Mode - ESC G (.) is sent
for the attribute code,· where (.) is the
appropriate ASCII from table 4-17.
• ADM 2 Attribute Mode .. Between the ESC)
and ESC ( codes which bracket protected fields.
BEL is sent for the BLINK delimiter, and CAN
is sent for the BLANK (UNDERUNE)
delimiter.
Not.
When the ADM 2 Attribute Mode is
set, the. ADM 42 attributes are
inhibited.
____ LEAR SIEGLeR, INC.
DATA PRODUCTS DMSlON
Table 4-17. Video Attribute Control Operation Codes
STO CHAR.
GENERATOR
FUNCTION
esc G 0
Reset to Nonn.. Video
limited Graphics Mode Enable
ALT. CHAR.
GENERATOR
esc G 0
esc G 8
Blanking (S8-SW3 OFF) or Underlining (S6-SW3 ON) of area
eSCGtor
esc -
eSCG90r
esc -
Blinking of Area
esc G 2 or
ESC
ESC G A or
ESC 1\
Blanking (S6·SW3 OFF) or Undertining (S8-SW3 ON) and
Blinking of Area
esc G 3
ESC G B
Reversing of Area
esc G 4
esc G C
Blanking (S8-SW3 OFF) or Undertining (S8-SW3 ON) and
Reversing of Area
ESC G 5
esc G D
eSCG 6
. esc G e
esc G 7
esc ~ F
Blinking and Reversing of Area
I
.
Blanking (S8-SW3 OFF) or Undertining (S6-SW3 ON) and
AeversingofAree
"
NOTE: The above operations apply when ADM 42 Attribute Mode is selected (S6-SWl OFF).
If ADM 2 Attribute Mode is selected (S6·SWl ON), the above operations are
inhibited: the attribute codes will be 'displayed but not acted upon.
Table 4-18. Operation Codes for ADM 42/ADM 2 Attribute Mode Control
FUNCTION
ADM 42 MoDe
ADM 2 MoDe
Blanking for entire page
ESC G (Space.
ESCG I
Blanking to end of line
ESC G"
ESC Gil
Underlining for entire page
ESC G $
ESCG %
Underlining to end of line
eSCG 8&
esc G'
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
SECTION V
POLLING AND ADDRESSING
5.1'
ADM 42 POLLING
When the Polling Option is installed in the ADM
42. the terminal may then act as a polliDg
terminal in a multi.point communications
network. Group Poll, Group Select. and Multi·
Point Contention polliDg activities are also
available. When active in a polling environment,
the ADM 42 is prevented from initiating
, tz'aDsmiaaion of traffic (data) except UDder the
control of the network control center. All messagetmDamiuion • between the network control
center and the selec:tad terminal or term;n.)_,
these mesaages, .. well
control of the entire
communications network, are controlled entirely
by a polling/ addressing d;alogue initiated by the
control center. Within the d;alogue, the control
center periodically asks or "polla" each device to
see if any mesaages are waiting; if so, the device is
commanded to transmit ita menage in a
prescribed fonna$. The control center may also
HDCimeua,es to a specUied terminal orteftn;nala
at any time.
a.
5.1.1 Setting ADM 42 Address
The, ADM 42 Polling Address is a two-character
code (AIA2) which must be ASCU characters and
not control characters.
The terminal will
recognize and respond to only the specified
address. The address is preset by means to two
banks of DIP switches (locations 5L and 6L) on the
option board (see figure 2-4). Each switch in the
bank represents one bit in the 7·bit address: SWl
, OFF sets bit 0 (LSB) = 1; SW2 OFF sets bit 1= 1; etc.
SW8 (location 5L only) ON enables the polling
option. SW8 ON atlocation 6Lenables the Pollin,
CommunicatiOns Buffer, which must be selected
by setting mt X. of Personality Byte B.
The preset switch settings establiah the Polling
Addresa for the ADM 42. This address may be
displayed by executing ESC \ A from the
keyboard.
'
5.1.2 Establishing Polling
Operations
~1~2..1
Setting Up Terminal
The information to be transmitted when the
t.ermiDal is polled must be entered on the ADM 42
display prior to being polled. Proceed as follows:
1. Type ICONV MOPE I to lighted state, to
enable data entry from the keyboard.
Not.
'1'1aU J'fIqWI'I1M1It m4Y be 1fItJd.jfilld by
letting bit lL of PersoNJlity Byte B.
2. Enter the data just as it is to be transmitted.
All editing and embedding of control characters must be don.. at this time.
3. Select and execute the appropriate activity to
enable the ADM 42 response to a POLL
inquiry, as follows:
.
•
ISEND LINEI ,to cause the ADM 42 to send
all unprotected characters from the beginning
of the line through the cursor position. To send
protected as well as unNl'otected characters,
type ISHIFT I SEND LI_EI . This operation
is the same as the forced Send v or Send x from
the compuie!'.
- -__ l.EAA SIEGLER, INC.
DArA PRODUCTS DIVISION
Not.
Setting bit X., of Persona.Uty Byte B
will inhibit t1'a.nsmission of the
cha.ra.l:tel' position untiII1' the cunol'.
•
ISEND PAGEl • tocauetheADM42toseDd
all lIDProtected charactara from. the begimring
01 the page through the cursor poeition. Tosend
PA', .
protected, as well as lIDifitected ch~
I SEND
Thiaoperation
is the same as the forced Send w or Send y
from the computer.
type ISHIFt'
Not.
Setting bit X., of PersonaUty Byte B
will inhibit transmission of the
character position under the cursor.
•
ISEND MSG I . to cause the ADM 42 to send
all lIDProtected characters in ~e diaplay
bracketed by STX and ETX codes. Ifno STXis
encountered, tranamisaion will start at the
HOME position; if no ETX is encOUDtered.
tranamisaion will stop at the end ofthe page. To
send protected, as well as unW0tected
characters, type ISHIFT I SEND MS , . This
operation is the same as the forced Send z or
Send . from the computer.
4. The terminal is now ready to tranamii. It
wait. to be polled. (The CONY MODE light
is out).
5.1.2.2 Monitor Mode Operation
The ADM 42 may be ,set up for Monitor Mode
operation by executing ESC \ M from the
keyboard.
This operation causes all data
(including line control data) on the RCVE line to
be displayed, whether addressed to this tenninal
or not. This mode is usually employed as a
troubleshooting activity. Monitor Mode is reset
by executing ISHIFT I RESETI from the
keyboard or by an unconditional polling sequence
from the hosi computer.
5.1.2.3 EnabUng Keyboard
To enable the ADM 42 keyboard for data entry,
type ICONV MODEl to its lighted state. Ifth.is
operation does not return the terminal to keyboard
~perationbJVpe eHiFT R~S¥TI. The
lighted IC
M
key mdicates when
conil'ol has been retumed to the keyboard.
The computer can override local keyboard
operation by executing FAST SELECT, or
BROADCAST SELECT.
5.1.3 Removing Terminal from
POlling Status
To set Non-Polling Mode. execuie ESC· R
from the keyboard. The ADM 42 wilino longer
respond as a polling terminal. To l'fHStablisb.
Polling Mode, execute ESC' S from th~
keyboard. Polling Mode may also bediaabled b;
setting option board DIPswiich S3-SW8 @ 5L to
OFF.
5.1.4 Initiating Standard Polling
Sequence
All polling operations are initiated by the network
control through a standard control sequence. This
Uquence consists of the following:
1. EOT Character (EOT).
2. Two Address Characters (A lA,2). In order
for the terminal to respond. these characters
must' match the two. addresa characters
established by option board DIP switches
S3 @ 5L and S4 @ 61..
3. Function Code. This code is an ASCII
character, used to identify the operation
to be performed by the terminal. It may be
one of the following:
p
POLL
q
SELECT
/
0
_ _ _ _ LEAR SIEGLER, INC.
DATA PflODUCTS DMSlON
r SEQUENTIAL SELECT
• -SOH Character (SOH).
s F A13T SELECT
• *Two Address Characters (AlA,2). These
charac:ters are the preset terminal address.
t
BROADCAST SELECT
v SEND LINE FOREGROUND
w SEND PAGE FOREGROUND
x SEND LINE ALL
y SEND PAGE ALL
• -rraumiuioD N'IDIlber (#). This number
may be inhibited by executing ESC • C 00.. and
thua not appear. If enabled, the maximum
number of transmissions counted (re-mmsmissions are not counted) may be between 1 and
9, depending upon the value selected by
Personality Byte C (ESC • C).
• STX Character (STX).
This character
identifies the beginning of the message to be
transmitted.
z SEND MSG FOREGROUND
{
SEND MSG ALL
4.
ENQ Character (ENQ). This. character is
present only when a POLL (p), SELECT (q), or
SEND (v, w.. x. y, Zo( ) operation ia called for.
5.1.5 POLL Responses
(See Figure 5-1)
The POLL sequence is initiated by the control
center to inquiry the ADM 42 whether there is
data to be sent. When the ADM 42 is sent the
sequence "EOT AIA~ ENQ" the terminal will
respond as followa:
1. If there ia DO meuqe waiting to be sent
(traffic). the terminal Hnda an EOT character
to the control center and then retarna to the
Idle state.
2. If there ia traffic. the terminal sends the.
mesaage to the control center in accordance
with how the mesaage is prepared, the
instructions in the Function Code and the
personality of the terminal.
a. If the poll message is to be taken from the
sCreen or a programmed FUNKEY, the terminal response is as follows:
• . TeD. This is the mesaage which is written on
the screen or stored under a FUNKEY. The
mesaage is sent in one of two formats,
depending on whether or not Protect Mode is
set. as followa: '.
.
1. Protect Mode OFF. All charac:ters ezcepi
. NUL are sent. A US character is inserted
in the string as the cursor moves flam the end
of one line to the beginning of the next.
2. Protect Mode ON. All foreground characters are sent; ea~h protected field is
designated by an FS character. A US
character is transmitted as in 1 above.
3. If the Function Code is a Send code (v, w, X. y.
Zo or ( ) instead of "p" the ~al complies
with the instruction as described under Send
Responses.
• ETX Character (ETX).
This character
designates the end of the polled message.
• LRC Character (LRC).
This character
represents the modulo 2 sum of the text
transmitted, plus the ETX character. It is used
by the control center to determine whether or
not the text was received correctly.
b. If the polling message is to be taken from an
unprogrammed function. key Fl thru F16
-Headers are not part of the standard ADM 42 polling response. Header characters will be present
only, if selected by setting bit Xo of Personality Byte B.
.
- -_ _ LEAR SIEGLER. INC.
OATA PROOUCTS DIVISION
CONTROL
CENTER
TeRMINAL
E(h
A,A2
p
.,.
ENQ
...
I
(NO MESSAGE
WAITING)
I
EOT
~
•
EOT
(
NAK
t
(OISCONNECTl
(MESSAGE
WAITING)
I
"{SOH A,A2 ("l
STX TeXT ETX
LAC
)
I
,
ACK
"
EOT
+
~.
(OISCONNECT)
(NO. OF TRIES PROGRAMMEO AT CENTeR)
(OISCONNECTl
(RETURNS TO WAIT TO
BE POLLEO STATUS)
°IF HEAOER IS SEI..ECTEO
Figure 5·1. POLL Function Dialogue, Flow Diagram
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
and headers are not selected, the terminal
responds: "SOH (character) ETX LRC".
Note that "SOH" replaces the normal STX
character and the (character) is the
auiped F1 thru F16 character.
1. If the terminal is BUSY, it sends a NAK
character, beeps to alert the operator that a
message is waiting, then disconnects. BUSY
is defined as any of the following states:
• The terminal is waiting to be polled.
Co
If the polling m_age is to be taken from an
unprogrammed function key F1 thra F16 and
headers are selected, the terminal responds:
"SOH AIA2 (#) STX OLE (character)
ETX LRC". Note that OLE (or some character
other than SOH. STX. EOT, ETX. or LRC)
replaces the normal SOH character.
3. After the ADM 42 haa sent the LRC character, it positions the cursor at the original
location and waita for the control center to
acknowledge receipt of the mesaage. The
acknowledgement will consist of one of the
following:
• ACK. The mesaagewaa received correctly. The
terminal respond by transmitting "EQTW and
diac:onnec:ting•.
• NAIL The message W88 received with errors.
The terminal will respond by retransmitting the
message (transmission number is not
incremented) and again waiting for control
center acknowledgement. The control center
will determine how many transmissions will be
called for.
• EOT.
Retransm.iaaion is required. The
terminal responds by poeitioning the cursor at
the original location and awaiting polling.
5.1.6 SELECT Responses
(See Flgure 5-2)
The SELECT sequence is used when the control
center wishes to send a message to a single
addressed terminal. When the AD M 42 is
addressed by the sequence "EOT A&A:zq ENQ" the
terminal responds as follows:
• The operator is entering data.
• The terminal is sending data to the printer.
2. If the terminal is not BUSY, it sends an
ACK to the control center, and waits forthe
center to send "-{SOHA&A2(#)] STX TEXT
ETX LRC". If there is an EOT in the
message, the terminal will disconnect to
Idle state.
3. After the selected hearder is received, the
following eventa occur.
• If there are no errors, the ADM 42 sends an
ACK to the control center, then disconnects to
theUUeaate.
.
• If there are errors, the ADM 42 sends a NAK
character to the control center and awaits
retl'ansmission of the message.
• The control center may then retransmit the
meaaage, starting with the selected header. If
the control center decides not to retransmit. it
sends an EOT instead of the selected header;
the ADM 42 discOnnects to the Idle state.
5.1.7 SEQUENTIAL SELECT
Responses (See Flgure 5-3)
The SEQUENTIAL SELECT operation is used to .
sequentially address a number of terminals with a
single extended contl'ol message. The header
sequence is "EOT A&A2r B lBU'••• N tN 2S". Note that
the FAST SELE CT (s) Function Code is sent to the
last terminal addressed. This code is always
·Headers are not part of the standard ADM 42 polling response. Header characters will be present
only. if selected by setting bit Xoof Personality Byte B.
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
followed by ",,[SOH NINd#)J STX TEXT ETX
LRC." The following events take place:
5.1.9 BROADCAST SELECT
Responses (See Figure 5..5)
1. All termjnals euept the last terminal (N iN2)
tesi their BUSY siaiuL If BUSY, each
terminal will diac:ollDeei without responding.
The BROADCAST SELECT function is used
when the control center requires fast.
unconditional selection of a number of terminals.
All terminals on the line receive the same message
under the header sequence. When each terminal
receives the sequence "EOT N!Nzt" followed by
",,[SOH NiNz(#) ] STX Text ETX LRC" it will
COllDeei unconditionally, whether BUSY or not.
Following receipt of the sequence, an terminals
except the addressed terminal disconnect to the
Idle (or personality) state without responding.
The addressed terminal will send either ACK or
NAK to the control center, then disconnect to the
Idle (or personality) state. The control center
decides whether or not to retransmit if NAK is
returned.
2.
Last terminal (N1N2) connects unconditionally and waits for an STX character. All addressed terminals which are not
BUSY connect and wait for an STX
character.
3. Following receipt of " ...ETX LRC" all
addressed terminals except last terminal
disconnect without responding
Terminal N iN2senda either an ACK or NAK
to the control center, then disconnects to Idle
or personality state. The control center
decides whether or not to retransmit ifNAK is
returned.
(N IN 2)
5.1.8 FAST SELECT Responses
(See FIgure 5-4)
0
The FAST SELECT function is used when the
control center requires fast, unconditional (see
note) selection of a specific terminal. Upon
receiving the header sequence (EOT NiNz s), the
terminal will unconditionally connect and wait
for the message block. The terminal will not
respond until after it haa received the LRC
character. the complete meseage block code is
",,[SOH NiNa (#) ] STX Texi ETX LRC".
After receiving LaC, the terminal sends either
ACK or NAK to the control center, then
diac:onnecta to Idle (or personality) siate.
The control center decides whether or not to
transmit if NAK is returned.
Not.
5.1.10 SEND Responses
(See Figure 5-6)
One of liz chan.c:ters specifies the information
that the addressed terminal is to send. The
function character (v, w. X, y, Z, or C) is
transmitted in place of the "q" in the standard
header. The six possible Send functions are as
follows:
1. Send LiDe Foreground (v). The terminal
will send all foreground unprotected data in
the line in which the cursor rests from
beginning of line to the cursor position. NUL
characters are not transmitted. The terminal
marka each protected area in the line by
sending an FS character.
2. Send Page Foreground (w). The terminal
will send all foreground data in the page,
starting at the HOME location and ending at
cursor position. NUL characters are not
transmitted.
The terminal marks each
protected area in the page by sending an FS
character. Each end of line is indicated by US
character.
o
Setting bit Xz of Personality Byte B
will cause FAST SELECT to be
conditional only if terminal is in Idle
state.
-Headers are not part of the standard ADM 42 polling response. Header characters will be present
only. if selected by setting bit ;LOaf Personality Byte B.
- -_ _ LEAR SIEGLSR. INC.
OATA PROOUCTS OIVISION
CONTROL
CENTeR
TeRMINAL
I
eOT
A,~
q
ENQ
l
I
(BUSY)
1
(NOT BUSY)
•
I
NAK
ACK
t
(DISCONNECT)
·1
'{SOH A,A2 (.lJ
STX TEXT ETX
LAC
l
I
I
I
I
I
IF ~EOT" IN
MESSAGE. TERMINAl.
DISCONNECTS
I
.
(ERROR IN
MESSAGE)
I
NAK
1
(NO ERROR)
I
ACK
(NO. OF TRIES PROGRAMMED AT CENTER)
..,
(DISCONNECT)
,
.
(DISCONNECT)
"IF HEADER IS SELECTED
Figure 5·2, SELECT Function Dialogue, Flow Diagram
5-7
_ _ _ _ LEAR SIEGLER. INC.
CAtA PRODUCTS DIVISION
CONTROL
C!NTER
I
EOT
A,A:z
r
+
•••
N,N:z
s
AOORESSED
TERMINALS
A THR~UGH N
I
N
'"
I
I
I
I
1
IA
leT
•
I:
i
(BUSY)
I
(NOT BUSYl
~.
(OISCONNECT)
~
(WAIT
FOR STX)
.
I
,
I
I
(BUSY OR NOT)
1
(WAIT FOR STX)
~
I
I
I
I
(SOH N,N:z(-W
STX TUTen
LAC
t
(RECEIVE)
+
!
J
\;
IN
l
AOORESSED
TeRMINAL
I
+
I
(RECEIVE)
~
(OISCONNECT)
I
(NO. OF TRIES
PROGRAMMEC)
I
t
"
I
(ERROR IN
ME~AGE)
(NO ERROR)
I
NAK
A!K
I
I
I
1
1
(OISCONNECT)
'IF HEAOER IS SELECTEC
Figure 5-3. SEQ UENTIAL SELECT Function Dialogue. Flow Diagram
- -_ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
CONTROL
CENTER
TERMINAL
I
.1
~
I
EOT
N1N2
I
s
I
I
-.
,
(BUSY OR
NOT)
I
+
I
I
"
[SOH N,N2(-W
STX T!XT en
LAC
·.L·
(WAIT FOR STX)
~
+
:
(RECEIVE)
r
(ERROR IN
MESSAGE)
I
NAK
(NO. OF TRIES PROGRAMMED)
~
-
I
I
(NO ERROR)
I
ACK
J
~,
(DISCONNECT}
o.F HEADER IS SELECTED
Figure 5-4. FAST SELECT Funct~on Dialogu.e, Flow Diagram
- - - - LEAR S'EGI.£R. INC.
OAfA PROOUCTS DIVISION
CONTROL
C!NTeA
I
.....
...
r
I
I
I
I
..... A
I
EOT
N1N2
t
..
Is
.....
•.c.
(SOH N1N2(.W
STX TeXT ETX
I.AC
,
-It
(SUSY OR NOT}
+
(WAIT FOR STX)
I
I
I
•
(BUSY OR NOT)
I
(WAIT FOR STX)
I
IN
I
I
I
I
•
~
•
I
I
•
(RECEIVE)
(RECEIVE)
(DISCONNECT}
:
+
1
I
I
I
I
I
I•
I •e.
l
ADDRESSED
TERMINAL
N
ALL.
TERMINALS
(NO. OF TRIES
PROGRAMMED)
r
(ERROR IN
MESSAGE}
I
'\
(NO ERROR)
I
I
NAK
ACK
I
i
(DISCONNECT}
'IF HEADER IS SELECTED
Figure 5-5. BROADCAST SELECT Function Dialogue, Flow Diagram
5010
- - - _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
- .-
CONTROL
CENTeR
I
I
T!RMINAL
I
lOT
A1A2 1 ,OJt
I
v••.:c,V.{
I
....
ENG
\.
I
-[SOH A1A2 (.. I
STXTlXTEXT
&.ftC
-I
lOT
f
NAK
•
I
ACX
\..
•
+
.
.
..
)
,
EOT
~
(DISCONNECT)
(NO. OF TRies PROGRAMMeD)
(AWAITS POLI.ING)
'IF HEADeR IS SEl.eCTeD
Figure 5-6. SEND Fu.nction Dialogue. Flow Diagram
_ _ _ _ LEAR SIEGLER, INC.
DAfA PRODUCTS DIVISION
5.2
3. Send Line All (x). The terminal will send.all
data, protected and unprotected, in the line in
which the cursor rests and stops at cursor. All
characters are transmitted, with the
operation code ESC ) .pnceding the first
chan.cter of a protected field, and the operation code ESC ( following the last character of
a protected field.
4. Send Pace All (y). The terminal will send all
data, protected and unprotected, in the pap,
beginning at the HOME location, stopping at
cursor. All characters are transmitted, with
the operation code ESC ) preceding the.first
character of a protected field, and the
operation code ESC ( following the last
cha:racter of a protected field.
5. Send" Mesaage ForegroWld (z).
The
terminal will send all foreground data
following an STX code and" ending with an
ETX code.
NUL characters are not
transmitted.
The terminal marks each
protected ana within the STX;ETX brackets
by sending an FS character. If no STX is on
the screen, transmission starts at HOME. If
no ETX is on the screen, transmission stops
at last position on the screen.
SPECIAL POLLJNG
OPERATIONS
The ADM 42. with the Polling Option installed,
may perform in several special polling
environments. These environments consists of
GROUP POLL, GROUP SELECT, MULTIPOINT CONTENTION, and ADDRESSABLE
PRINTER operation. The paragraphs which
follow describe these operations in terms of their
differences from standard polling operations.
5.2.1 GROUP POLL Operations
GROUP POLL is essentially the same as standard
POLL operations. except that the GROUP POLL
address is the same for each terminal. All
terminals are daisychained via their
EXTENSION/MODEM ports. Each 'terminal
responds as would an individual terminal under
ADM 42 POLL The GROUP POLL address for
each terminal on the line is set up using' option
," board" DIP switch banks S5 @ 8L and S6 @ 9L ~
the same manner as for ADM 42 POLL (uSing
switch.. sa @ 5L and S4 @ 6L). Typing"ESC ' A
from the keyboard wiU display all polling
addresses.
Nota
«).
The GRo"UP POLL address should.
not be the same /Z8 the standard
POLL cddress on emy termi1'UJl in the
6. Send Meaaage All
The terminal will
send all data, protected and unprotected,
between the STX/ETX cod... All ch8.ractenl
are transmitted with the operation code ESC)
pnceding the firai character of a protected
field, and the operation code ESC ( after the
lut character of a protected field. Ifno STXis
on the screen, transmission siarta at HOME.
If no ETX is on the screen, transmission stops
at the last position on the screen. (STX is
written on the screen by typing ~ ;
ETx is written by typing IEDEl .)
grou.p.
GROUP POLL is functional only when groups of
terminals are concatenated (daisychained).
Headers must be used. The following is a typical
GROUP POLL operation; with three or more
terminals on a line conn~ to. a modem or data
set:
1. First terminal receives GROUP POLL
command; if it has data to transmit, it sends
data to control center and waits for ACK. (If
NAK. operations proceed as described for
POLL Responses, paragraph 5.1.5.) When
ACK is received, first terminal sends CTS to
next terminal.
Control and operation codes may be imbedded in
memory by preceding the control code by an ESC;
i.e. ~ IRETURNI will cause CR character to
be written" to the screen rather than being
interpreted as a RETUR~ operation.
5-12
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
5.2.3 MULTI-POINT
CONTENTION Operations
2. If first terminal has no data to send, it checks
for DTR (Data Terminal Ready) high on
EXTENSION port. which is connected to the
MODEM port of the next terminal. Finding
DTR high, it sends CTS to second terminal.
MULTI·POINT CONTENTION ia a polling mode
which is selectable only by the control center,
using the following control characters:
"EOT NUL NUL BEL". In this mode, the control
center CPU notifies all terminals on the line that
the CPU will not poll until it has a mesaage to be
sent or until a polling terminal signifies that it has
a message for the CPU.
Terminal sends
"EOT AIA'l p ENQ" to notify the CPU it has a
message to send.
3. If second terminal has data. it sends data to
the control center and waits for AC~ When
ACK is received. it looka for DTR high on its
EXTENSION port and sends CTS to the next
terminal.
4. If second terminal has no data, it checks for
OTR high on EXTENSION port and sends
CTS to the next terminal.
5.2.4 Addressable Printer
Port Operations
5. Ptocess is repeated until last terminal in line
fails to find DTR high on its EXTENSION
port; terminal sends EOT (End of Transmiseion) to the control center and diaconnects.
The Addressable Printer Port operations are used
to permit the ADM 42 to receive CPU output
messages at the selected transmission rate, s~ore
the mesaage, and retran.smit the message in the
prescribed format to a printer. The.operation is as
follows:
Not.
If no temail&t# i1& the ch.ain Iuu d4tll to
. ,end only the /at termi1u&l will
respond with. 41& "EOr..
1. Bit LofPersonality Byte B must be set.
5.2.2 GROUP SELECT
Operations
2.
GROUP SELECT is essentially the same as
BROADCAST SELECT operations, except that
the GROUP SELECT address (G.) is inserted in
the header in place of the "t". The complete
address thus becomes: "EOT N!N2 G. SQH
N!N2(#) STX TEXT ETX LRC". (G.ia an upper
case alpha character, A to z.) Also:
3. The terminal respOnds to SELECT in the same
manner as described in paragraph 5.1.6.
Also, a NAK may be sent upon completion of
a message not only because of an incorrect
LRC, or terminal BUSY; a printer buffer
overflow will also cause the entire message to
NAK.
1. The GROUP SELECT address resides in
option board DIP switch S7 @ ·10L.
2. Several groups may be selected by means
of different terminal addresses.
Every
terminal in a group must be on the same
line. but the line does not have physical
limitations.
4.
3.
With the ADM 42 setup for standard polling,
the control center calls for SELECT, as
follows: "EOT AlA3q ENQ". Note that the
second terminal address (A2) is incremented to
A:r, this causes the ADM 42 to enable the print
buffer (highest page) for operation. A buffer·
not-empty condition will cause. a terminal
BUSY response.
All terminals on line will connect
unconditionally, with the addre.ssed
terminal responding as specified for
BROADCAST SELECT.
5-13
Once the terminal responds to the message
with an ACK the ADM 42 disconnects,
returns to the polling Idle (or personality)
state, and begins outputting to the printer.
Printing proceeds at the baud rate determined
LEAR SIEGLER, INC.
----·DATA PRODUCTS DIVISION
by the PRINTER BAUD RATE switch on the
front panel, and continues until the buffer is
empty.
The terminal operates in the
Buffered Print Mode format established by
appropriate operation codes (refer to Print
TraD8miaaion Control OperatiODa in
Section IV).
5.2.5 Polling Communication
Buffer- Operations
The Polling Communications Buffer is selected by
setting option board DIP switch S4-SW8 to ON
and setting bit Lof Personality Byte B.
1. With the buffer selected, the last two pages of
memory (3 & 4) or (7 & 8) are reserved as the
buffer.
5. Once printing from the buffer begins, no
further messages from the control center may
be received by the print buffer until the buffer
is empty. (The terminal responds BUSY only
to a print message.)
2. All RCVE data is stored in the buffer; only if
the message is correct will the data be sent to
the display.
3. If the message LRC is incorrect, a NAK is
sent to the host and nothing is displayed.
5014
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
SECTION 6
THEORY OF OPERATION
6.1
GENERAL DESCRIPTION
This section contains theory of operation information concerning
the ADM-42 Interactive Data Display Terminal. The section is
d i v ided into three subsect ions:
General, Functional, and
Detailed descriptions.
The ADM-42 Data Display Terminal is an interactive, microprogram-controlled, video display device designed to communicate
either unidirectionally or bidirectionally with a remote computer. The terminal has a detachable keyboard at which the
operator enters or edits information, and a cathode-ray-tube
(CRT) on which information is displayed.
Physically, the ADM-42 consists of three interconnected modules:
Monitor Module -
This module contains the CRT display screen
and the analog electronics used to control
the display.
Keyboard Module - This module is a detachable, 118-key keyboard
. containing alphabetic and numeric characters,
symbols, and special purpose keys which
control the ADM-42 operation.
Electronics
Module -
This module contains the control, display
memory and input/output (I/O) sections,
the power supply assembly, and the cooling
"fan assembly.
Functionally, the ADM-42 is divided into seven sections:
CPU -
containing the system clock, M6800 MPU, system timing
control, address buffers and decoders.
External Interface - containing the interface logic for an
external port, modem port, current-loop
port, polling address port, and a separate
buffer and interface for the special option
board.
6-1
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Keyboard - containing the keyboard matrix, keyboard
adaptor, and keyboard timing logic.
interface
Video Display - containing CRT control and character generation
logic.
Display Memory - containing 8K-bytes of EPROM, lK bi"ts of RAM,
and up to 16K-bits of RAM Refresh Memory.
Configuration Electronics - containing various switches and
associated circuitry used to determine the
system configuration.
Option Board - containing a parallel printer port, serial
printer port, synchronous communication port,
polling address logic: data, address and control
buffers: 3K-bits of SRAM, and up to 8K-bytes of
additional EPROM, PROM or ROM.
6.2
FUNCTIONAL DESCRIPTION (Figure 6-1)
The ADM-42 is an interactive data displ'ay device used, to communicate with a remote computer.
The communication may be
unidirectional to or ,from the computer, or bidirectional to and
from the computer.
Information is presented to the display area of the terminal
from one of two sources: the keyboard or the remote computer.
If the information is from the keyboard, the data is sent to
the CPU directly via the Data Bus.
From the CPU, the data is
sent to the Video section and written into the Video Data
Refresh RAM, to be displayed upon the CRT.
If, however, the information originates at the remote computer,
the data is delivered to the ADM-42 in one of two ways., If the
host computer is cons'idered to be Itlocal lt (50 feet or less in
distance from the ADM-42), the data is sent through an RS-232C
interconnect cable to the External Interface, via the Data Bus
to the CPO, then to the ~efresh RAM and to the CRT. If the
data transmission is from a truly' -remote· station and the data
must be transmitted via telephone lines,· a modem or dataset
(one at each end of the transmission line) must be used.
These devices merely condition the data for transmission along
standard telephone lines.
The data route after it reaches
the External Interface is the same as ,in the local mode of
transfer.
6-2
TO
.---_ _ FRdM
>IJ
....
. Ul
I
C
11
ID
CONTROL
BUS
~
m
I
....
I REMOTE COMPUTER
EXTERNAL
INTERFACE
SECTION
CPU
SECTION
)lI
r-------~SERIAL
OPTION
BOARD
-
PARALLEL £NTR.
ASYNC. COM.
PORT
D
3:
I
"'"
IV
(Jl
....
a
DATA BUS
"0
.....
m
I
W
....
HI
....
ADDRESS BUS
ID
0.
(Jl
"<:
Ul
rt
ID
SYSTEM
CONFIGURATION
I---
a
tIl
.....
0
0
VIDEO
SECTION
SYSTEM
MEMORY
AND
FIRMWARE
~
"..-
REFRESH
MEMo'RY (RAM)
PNTR.
-
CRT
-
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
The ADM-42 transmits data by "reading" the information from
the Refresh RAM and sending it via the Data Bus to the CPU ..
From the CPU, the data is placed again on the Data Bus and
sent to the External Interface, where it is output from one of
the ports.
From this point, the "local" /"remote" conventions
are applicable, depending upon the distanc;e the data must travel
to the host computer.
It should be noted that, in the ADM-42, no data transfer is
accomplished without the data being routed through the cpu.
CPU Section
The CPU section contains the M6800 MPU, associated addressing
logic, and the system timing logic.
The CPU performs all
addressing, data manipulation and ari thmetic functions of the
ADM-42.
Any data to be moved to or from this device will be
routed through the CPU section.
External Interface Section
The External Interface section provides the capability to
interface wi th ,RS-232C point-to .... point signals, 20 rnA current
loop signals, and modem interface signals.
The interface
also contains the Baud Rate clock and switches, allowing the
ADM-42 to receive or transmit data at selected baud rates from
50 to 9600 baud.
Video Display Section
This section contains the video display logic, including the
display ~emory, two character generators (one standard and
one alternate), and the circuitry to condition the data for
display on the CRT.
System Memory Section
This section contains 8K-bytes of EPROM and lK-bits of RAM.
The 8K-bytes of EPROM compr ise the firmware area where the
system programs are maintained.
The lK bits of RAM make up
the temporary (scratchpad) storage where data manipulation
takes place.
Configuration Electronics
Contained in this section is the Personality ROM which contains
the preset system. configuration information, and the configura,=,"
tion switches which allow operator configuration of the system.
6-4
LEAR SIEGLER, INC.DATA PRODUCTS DIVISION
Keyboard
The keyboard provides operator availability to the ADM-42
and to the remote computer. The keyboard consists of a detachable, 118-key keyboard having alphabetic and numeric characters,
symbols, and special control keys.
The fUnctional components
are the keyboard matrix, scan and eontrol logic, timing logic,
and associated indicator lamps.
6.3
DETAILED BLOCK DESCRIPTION
6.3.1
CPU Section (Figure 6-2, Schematic Sheet 2)
The CPU section is comprised of the Microproces~ing Unit (MPU),
the System Timing Logic, and the System Address Buffers and
Decoders ••
~
(Figures 6-3 and 6-4)
The MPU is a Motorola M6800 microprocessor.
It is a bidirectional, bus-oriented, 8-bit parallel LSI machine with a 16-bit
address capability. Its function is to coordinate the activities
of the system and to perform all addressing, data manipulation,
and arithmetic functions.
The processor has two a~bit accumulators which are used to
hold operands and results from the Arithmetic Logic Unit (ALU).
The 16-bit index register stores 16-bits of memory address
for the index mode of memory addressing. The stack pointer is a
2-byte (a bits per byte) register that contains the address
of the next available location in external memory. The program
counter is a 16-bit register that contains the program address.
A condition code register (flag register) contains 16 bits of
condition codes: the condition codes indicate the results of an
ALU operation, Negative (N), Zero (Z), Overflow (V), Carry from
bit 7 (C), and Half Carry from bit 3 (H). These bits of the
condition code register are used as testable conditions for the
conditional bra~ch instructions. Bit 4 is a mask bit. The
unused bits of the condition code register (bits 6 and 7) are
always ones.
The minimum instruction time is 2 us. Processor control lines
include RESET, which automatically restarts the processor
(see flow chart, Yigure 6-4), as well as Interrupt Request
(IRQ) and Non-Maskable Interrupt to monitor peripheral status.
There are Tri-State Control (TSC), Data Bus Enable (DBE), and
HALT control lines which can be used for Direct Memory Access
or multiprocessing.
6-5
...,
....
lQ
C
11
TO SYSTEM
/1)
'"I
N
to
C
en
/1)
()
....0
ADDRESS
BUFFERS
1
()
2
2f,f
CLOCK
AB~-AB15
r---------------
RESET
ADD
DECODER
rt
'"I
'"
MPU
::s
FROM SYSTEM
CONTROL
r----------' & CONTROL BUS
0
/1)
rt
....
I»
• 5
.....
/1)
0.
OJ
.....
DiI-D7
CLK
TO/FROM SYSTEM
& Dl\TA BUS
0
()
X"
0
/1)
III
()
....
rt
....0
11
to
::s
CLOCK
GENERATOR
SYSTEM TIMING
TO SYSTEM & CONTROL BUS
TO SYSTEM
& CONTROL
BUS
A15A14A131\12A11A10 A9 A8
25 24 23 22 20 19 18 17
A7 A6 A6 A4 A3 A2 Al A0
16 15 14 13 12 11 10
1 t t tt t t t
OUTPUT
Ullff£RS
....
1O
~
01
/1)
02
0'1
RrSET
I
w
In-If
IiAl T
3:
Tfff"RIQ
ItJ
c
3-ST. COIH.
IXl
HUSEN
.....
0
BUS AVAIL. "
0
~
v. t·l£M. AUO. "
....0 R[AD/W{IIE ...c
11
0'1
I
--.J
,.
-
t t t t t t
r---
PROuHAM
COUIHERS
PROGRAI4
COUNTERS
STACK
POINTER
STACK
POINTER
INDEX
REGI STER
INDEX
REGISTER
r
•
L
r
.. INSTRUCT ION
-,
"r
DECODE
AND
CONTIWl
ACCUM.
A
~
OJ
1O
11
OJ
a
OUTPUT
DUFfERS
r
I
ACCUM.
B
INSTRUCTION
REGISTER
,
C.C.R.
I I
UATA
BUffER
~
,
I~
r,
t
~l
~
J
,
J~
II'
.
~~
~
26 27 28 29 30 31 32 33
07 06 05 04 03
02 01 00
AlU
.
9
t +
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
System Timing and Two-Phase Clock (Figure 6-5)
MPU and system timing is accomplished by the System Timing
Control and the Two~Phase (2¢) Clock. The two-phase, nonoverlapping clock (¢1 and ¢2) is used to control the MPU
timing.
All data transfers are accomplished when DATA BUS
ENABLE is active and on the trailing edge of ¢2 of the clock.
At this time, the bus drivers are enabled.
During an MPU
read cycle, the data bus drivers are disabled internally.
The master oscillator in the system timing logic generates
the master clock term, CLK/CLK. CLK is divided by 5 to produce
MPUCLK, which, in turn, feeds the two-phase clock, to produce
the two non-overlapping clock pulses, ¢1 and ¢2, used for
MPU timing.
The two-phase clock also produces the rest of the
system timing signals, as follows:
• REFGNT (Refresh Grant):
A synchronous output used
to synch ron i ze the refresh opera t ion to the MPU.
- REF REO (Refresh Reque s t) :
A synch ronous inp u t
used to freeze the MPU clocks in the ¢ 1 high, ¢2
low state for dynamic memory refresh.
• MCLK (Memory Clock):
A clock signal in phase with
¢2, wh ich free-runs dur ing a refresh request cycle.
-¢2TTL (Bus p2):
This clock signal, in phase with
~2,
is buffered through the Bus Buffers as ¢2B
onto the CPU Bus and to the Extension Bus.
• MEMRDY (Memory Ready):
An asynchronous input used
to freeze the MPU clocks in th.e ¢"1 low, ¢2 high
state for slow memory interface.
- MPUCLK (MPU Clock):
the remote computer.
Used to synchronize the MPU with
-.2XCLK (Two-Times Clock):
A free-running clock at two
times the MPU clock rate which is sent to the .VTAC in
the Video section and used to establish the basic
character clock rate.
Address Buffers
The
bus
The
CPU
the
System Address Bus Buffers consist of three tri-state
drivers driving the 16-line Address Bus (ABO - AB15).
Address Bus provides the address interconnect between the
and the Address Decoders, the External In te rf ace sect ion,
Memory section, the Video section, and the Keyboard section.
6-8
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
START SEQUENCE
FFFE, FFFF
MACHINE
ON HALT
es
es
FETCH
INSTRUCTION
EXECUTE
INTERRUPT
ROUTINE
EXECUTE
INSTRUCTION
FFFC
FFFO
Figure 6-4.
MPU Flow Chart
6-9
FFFB
FFF9
....0lIJ
"l
c::
01
t1
II)
0\
I
.,2
_. )0
.!-J
•
n
I
~1-1
0\
....
0
I
)
I
J
I
I.
I
I
I
I
~
\Q
I
I
I
,,2- 1
I
I
I
I
,
I
I
~
o
~
PW 1
=
528 nsec
nomina)
PH 2
=
528 nsec
nominal
!l:.
UJZ
L
of)
S
UJ
0
I
I
Z
I
I
I
J
Cycle time
(')
1ft!
om
of:»
c:~
-- '\
II
rt
II)
-
I
--.J
1.
a
....
~. nrmJ
::s
'<
(I)
~E
)0,
0( -
. . -.- - - - - -- --- -- 'O-
Ul
(J)
A
~
1.'85 usee
nomina I
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
Address Decoders
The Address Decoders decode address lines AB8 through AB15
as chip enable/select terms for the system RAM, ROM, Peripheral
Interface adaptors (PIAl, PIA2), Asynchronous Communication
Interface adpator (ACIA1), Personality ROM (PERROM), Configuration Switch bank (SWBNK1), and Baud Rate Control (BRCLD).
6.3.2
External Interface Section (Figure 6-67
Schematic Sheet 9)
The External Interface provides the interconnect between the
ADM-42 and any external system or peripheral devices that
are working with it.
The ADM-42 provides a standard EIA RS-232C voltage interface,
a 20 macurrent-loop interface and a modem interconnect.
Interface control is accompl ish~d by a Motorola MC6850 Asynchronous Communications Interface Adapter (ACIA).
TheACIA
provides data formatting and control to interface serial
asynchronous data communications information to the bus-organized MPU.
.
Included in this section is the baud rate-determining logic
and a conf·iguration switch bank.
!£!!
The ACIA provides a special-purpose serial interface for
asynchronous communications.
It handles all formatting tasks
such as insertion and detection of start, stop, and parity
bits,. and accompl ishes the ser ial-to-parallel/parallel-toser ial convers ion.
I t further prov ides the modem con trol
signals, such as Clear-to-Send (CTS), Request to Send (RTS),
and Data Carrier Detect (DCD).
Serial data from the remote computer is received as RCVR,
shifted through the ACIA and presented to the MPU as parallel
data, DO through 07. Conversely, parallel data from the MPU is
presented to the ACIA as DO - 07 and loaded.
Thi~ data is
shifted through the ACIA a.nd is transmitted out serially
as XMIT.
The term that enables the loading of the parallel
data (DO - 07) to or from the MPU is VMAB, the Valid Memory
Address term.
.
The direction of data flow through the ACIA is established
by BR/W, the Read/Write term.
If the line is high, the ACIA's
output drivers are turned on and a selected internal reg ister
is read.
If the line is low, the output drivers are turned
off and the MPU writes into a selected register.
6-11
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LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
BDCLK1, generated by the Baud Rate Clock, is used to determine
the ra te of data transfer to and from the selected port.
The Interrupt Request (IRQ) is low when an external device is
requesting service from the MPU.
The term ACIAl is used in conjunction wi"th the pulled-up CSO
and CSl inputs to the ACIA to select the chip. When ACIAl goes
low, the chip is selected and the control and data inputs become
effective.
ABC is the register select term.
If the line is high, the
Transmit/Receive Data Registers are selected, and if it is
low, the Control/Status Registers are selected.
This line
is use9 with the Read/Write line to select the read-only or
write-only register in each register pair.
Baud Rate Select Logic
The Baud Rate Switches and the Baud Rate Clock select both
the transmit and receive Transmission rates (baud rates).
These rates are established during installation of the ADM-42.
There are two switch banks used in determining baud rates.
Each switch bank generates a unique code to the Dual Baud
Rate Generator.
The fir-st· bank of switches generate the code
DO - D3. This four-bit code selects a baud rate frequency from
50 to 9600 baud (BDCLK1), which is then sent to the ACIA where
it establishes the transmit/receive baud rate.
The second
bank of switches generate the code D4 - D7, which also goes to
the Dual Baud Rate Generator to produce BDCLK2.
This term is
sent to the option board to set up the baud rates for the
serial printer port ACIA.
Configuration Switch Bank
Data transfer parameters are set up by this bank of eight
switches.
The parameters are suffered and placed on the
data bus as DO - D7.
6.3.3
System Memo.y Section (Figure 6-7;
Schematic Sheet 8)
The System Memory Section consists of 8K-bytes of EPROM firmware, lK-bits of temporary (scratchpad) RAM, Data Buffers,
and the chip enable logic.
Firmware EPROMs
The 4 2K-byte EPROMs contain the
related firmware.
Each of the
by either ROMA, ROMB, ROMC, or
terms produced by the decoding of
6-13
ADM-42 operating system and
four ROM chips is selected
ROMD, the four chip enable
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LEAR SIEGLER, INC.
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terms from the Address Decoders in the CPU section) and address
bit ABll. When the chip is selected, the data from the location
specified by the address bus bits ABO - AB10 is placed on the
memory output lines, SMODO - SMOD7. These outputs are routed to
Data Bus via the memory bus transceivers as DO - 07, to be sent
to the MPU.
Scratchpad RAMs
These eight lK-bit RAMs provide temporary storage where the
calculations and data manipulations for the ADM-42 are accomplished.
They are configured to provide lK-byte of static,
random-access storage.
Chip select is done by the decoding of RAM (from the chip
enable logic in the CPU Section--see above) and the two address
bits, AB10 and ABll.
When the eight chips are simultaneously
enabled by RAMl, and if the R/W line is low, the data contained
in the input data byte, SMIDO - SMID7 is loaded into the location specified by the address lines, ABO - AB9.
This input
data byte comes, from the memory bus transceivers which received
it from the Data Bus as DO - 07. If the R/W line is high, a read
operation is initiated, and the data in the locations specified
by the 10-bit address (ABO - AB9) is read. out and placed on the
same output data lines as the firmware outputs.
This outPl,lt
data is placed on the Data Bus in the same manner as the firmware data.
Data Bus Transceivers
These bidirectional, tri-state transceivers buffer
and output memory data to and from the Data Bus.
the
input
Depending upon the state of the select term, SMEM, the transceivers are switched either to or from the Data Bus.
In the
low state, data is taken from the Data Bus and routed to the
Scratchpad RAMs. In the high state, data from either the system
firmware EPROMs or the scratchpad RAMs is buffered onto the
Data Bus.
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SIZE
CODE IDENT
~
A 98438 ~
'SCAlE
•
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....,"'!'
JC/
/2'9777
ISHEET
'*'f
. -.
,
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REVISIONS
LTR
I
DESCRIPTION
SHEET
.- /
6Iti(,~
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_7'Y.d1'1 /~·I7-?'J
RELEASE PER DCN J 29z"
A
B
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INCQRP
APPROVED'
DATE
~ <=J - "3-81
I
~4-gl
rq·/O-V
f6.1;~Hdf.
II
TABLE OF CONTENTS
-PARA
1.0
:;
SCOPE
2
APPLICABLE. DOCUMENTS
2
INPUT REQUIREMENTS
4
DISPLAY CHARACTERISTICS
.
6
POWER REQUIREMENT?
f.tECHANICAL REQUIREMENTS
6
6
PROTECTIVE FINISH
U.L. APPROVAL
6
ENVIRONMENTAL REQUIREHENTS 7
HUMAN FACTORS REQUI REr-tENTS 7
WARRANTY
8
APPROVED VENDOR
8
REFERENCE DOCUMENTATION
8
CHANGES AFTER APPROVAL
8
9
FIG. I CRT DISPLAY AREA
10
FIG. 2 TIMING DIAGRAM
11
FIG. 3 PHYSICAL OUTLINE
FIG. 4 POWER CONNECTOR
12
13
FIG. 5 CRT OUTLINE
2.0
3.0
4.0
S.O
6.0
7.0
8.0
9.0
10.0
11. 0
12.0
13.0
•
j
SHEET
2
DESCRIPTION
14.0
\
~
- I
1'2989~ D~1297~
DASH
NEXT ASSY
NO.
::s~rt::./,c I~.tt177&f ,..> t!o,.;r,.rc (..
t
~
,
ff
T
UNLESS
OTHERWISE
SPECIFIED
DIM. IN INCHES
TOLERANCES
.X±.l
.03
.010
ANGLES 0.5·.
MACH. FIN.
.xx±
.xxx±
±
T
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8
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DSGNvJ.~... S"I'f~
ENGR
PROJ
REL
LeAR SIEGLER. INC.
ELECTRONIC INSTRUMENTATION DIV.
ANAHEIM. CALIF.
,
~
If/..4L
'1
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S!ZE
A
CUSTOMER APPD
~
-.---'~-'-'--'
,,-----
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-- -
15 INCH
~tONITOR,
!J J.lJ..A-.~.: Ii .I·~. ?rJ :
SCALE
. ..
APPLICATION
,,..)c
@
lSi
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USED ON
ADM-42
CODEIDENT
REV
!-
98438 -
129779
I
.~.-."
-
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,-,
-
SHEET
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-
•
DESCRIPTION
1.0
THIS 1.5 IXCH ~·IOXITOR IS TO BE USED I~ THE Aml"42 DATA
DISPLAY TE~tI~AL. THE UNIT IS TO' BE OPERATED IN
THE DIRECT DRIVE OR SYNC l>10DE AND ON 115/230 VAC SUPPLIED
BY LSI.
2.0
APPLICABLE
2.1
LSI DRAWINGS
129708 REV A CRT MOUNTING BRACKET
129794
l-IOUNTING PLATE SUBASSEMBLY
129798
ACCEPTANCE TEST PROCEDURE
3.0
INPUT REQUIREMENTS
3.1
3.1.1 .
INPUT CONNECTOR FOR DIRECT DRIVE
CONNECTOR PIN OUT
PIN 1 GROUND
DOC~mNTS
2 BRIGH!!'NESS POT HIGH
3
4
5
6
7
8
9
10
BRIGHTXESS POT-LOW
BRIGHTKESS POT-ARM
UNUSED
HORIZONTAL SYNC
UNUSED
VIDEO SIGNAL
VERTICAL SYNC
GROUND
3.1. 2
CONNECTOR IS OF THE PRINTED CIRCUIT EDGE TYPE WITH 0.156
I~CH CEXTER TO CE~TER CONTACT SPACING AND 0.054 TO 0.071
INCH PRINTED CIRCUIT BOARD THICKNESS.
3.1.3
THE
~~TING
CONNECTOR SHALL BE A SINGLE READOUT TYPE WITH
10 CO~TACTS AND EQUIVALENT TO AN M1PHERNOL TYPE 225-21031
101.
VIDEO INPUT CHARACTERISTICS
3.2
THE INPUT IMPEDANCE SHALL BE 2. OK OHM MINIMUM SHUNTED BY 60PF
3.2.1
MAX. AT A DOT RATE OF 19.584 MHz.
INPUT VIDEO SIGNAL LEVELS SHALL BE ZERO TO 0.04- VOLTS FOR
BLACK. THE LEVEL SHALL BE ADJUSTABLE BUT NOT TO EXCEED
S.O VOLTS FOR WHITE LEVEL.
3.2.2
SIZE
CODE JDENT
A
98438
I
SCALE
-._.
0
..
•
...
__
.
._--"
-D
~
RI=V
129779
~
ISHEET
2
--
-
. '.!
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3.2.3
VIDEO DOT TUlING
1
3.2.3.1
THE TUIING FOR A DOT, WHEN .DISPLAYING STANDARD VIDEO,
SHALL BE A 78.1 NSEC. t't'IDE POS ITIVE PULSE WITH RISE AND
FALL TUllS OF LESS THAN 10 NSEC..
.
I
:
.
STANDARD VIDEO SHALL BE DEFINED AS DISPLAYING WHITE DOTS
ON A BLACK BACKGROUND.
3.2.3.2
THE TIMING FOR A DOT, ,mEN DISPLAYING REVERSE VIDEO, SHALL
BE A 52.1 NSEC. WIDE NEGATIVE PULSE WITH RIS~ AND FALL TIMES
OF LESS THAN 10 NSEC. REVERSE VIDEO SHALL BE DEFINED AS
DISPLAYING BLACK DOTS ON A tffiITE BACKGROUND.
3.3
VERTICAL SYNC INPUT CHARACTERISTICS.
3.3.1
THE INPUT LOADING SHALL BE COMPATIBLE TO 74 S SERIES TTL
LOGIC CIRCUITS.
3.3.2
THE PULSE AMPLITUDE SHALL BE A LOW LEVEL OF 0.0 TO +0.4
VOLTS AND A HIGH LEVEL OF 4.0+1.5 VOLTS.
3.3.3
THE PULSE RATE SHALL BE EITHER SO OR 60
-.
~ULSES
.PER SECOND
+1\.
..
3.3.4.
THE PULSE RISE AND FALL TIMES SHALL BE EQUAL TO OR LESS
THAN 100 NSEC.
3.3.5
THE VERTICAL CIRCUIT SHALL ACCEPT THE PULSE FORMAT GIVEN
IN FIGURE NO.2 •
3.4
HORIZONTAL SYNC INPUT CHARACTERISTICS
3.4.1
THE I~PUT LO~DING SHALL BE COr.IPATIBLE TO 74 S SERIES TTL
LOGIC CIRCUITS
_
3.4.2
THE PULSE A1>fPLITUDE SHALL BE A L01'1 LEVEL OF 0.0 TO +0.4
VOLTS AND A HIGH LEVEL OF 4.0+1.S VOLTS.
3.4.3
THE PULSE RATE SHALL BE 19.2K PER SECOND !1t.
3.4.4
THE PULSE RISE AND FALL TIME SHALL BE EQUAL TO OR LESS
THAN SO NSEC.
3.4.5
THE HORIZONTAL CIRCUITS SHALL ACCEPT THE PULSE FORMAT
GIVEN IN FIGURE NO.2.
•
•
-
SIZE
cooe
IOENT
A 98438 ..
~lE
I
- RFV
P-
129779
tSHEET
_D
~
.
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I
I
1
4.0
DISPLAY CHARACTERISTICS
4.1
CATHODE RAY TUBE
THE CATHODE RAY TUBE (CRT) SHALL' BE FIFTEEN INCH DIAGONAL
lotEASUREMENT. SEE FIGURE 5 FOR OUTLINE.
4.1.1
4.1.2
THE CRT SHALL BE SUPPLIED AS STANDARD WITH P-4 PHOSPHOR
(12.97'9-1) ()~ P-.!I P"'05PHO~ (129779 -2).
4.1.3
THE CRT SHALL HAVE A DEFLECTION ANGLE OF 110o~
4.1.4
THE CRT SHALL BE SUPPLIED l'lITH A "T" BAND TO MEET U. L.
IMPLOSION PROTECTION REQUIREMENTS.
4.1. 5
THE CRT SHALL HAVE A DISPLAY AREA AS SHOWN IN FIGURE NO. 1.
SIZE
A
SCALE
CODE IDENT
~
98438' I
129779
ISHEET
- REV
_D
,
t. "
i~~--------------------------~·~----------------------------~
4.2
CONTROLS
4.2.1
THE INTERNAL CONTROLS
OF THE FOLLOWING:
-
PROVIDE~
WITHIN THE UNIT SHALL CONSIST
HEIGHT
VERTICAL SYNC
VERTICAL LINEARITY
BRIGHTNESS
HORIZONTAL CENTElUNG
WIDTH
FOCUS
HORIZONTAL SYNC
24 VOLT ADJUST
4.2.2
THE CONTRAST CONTROL WILL BE MOUNTED OFF-UNIT AND SHALL BE
A 100 OHM POT. THE VIDEO LEAD FROM CONTRAST CONTROL TO PIN 8
OF MONITOR BOARD EDGE CONNECTOR WILL BE APPROXIMATELY 17
INCHES LONG.
4.3
DISTORTION
4.3.1
. CONDITIONS OF MEASUREMENT": UNLESS OTHERWISE STATED, ALL
MEASU~1ENTS SHALL BE MADE UNDER CONTROLLED LABORATORY CONDITIONS AFTER AN INITIAL WARM-UP PERIOD OF 5 TO 8 MINUTES.
APPLIED POWER SHALL BE WITHIN THE LIMITS STATED IN PARAGRAPH
5.0 ..DATA SHALL' BE PROVIDED FOR 25 ROWS OF 80 C~CTER
COLUMNS OF CHARACTERS. THE REMOTE BRIGHTNESS CONTROL SHALL
.BE ADJUSTED TO THE POINT JUST BEFORE THE RASTER IS VISIBLE.
THE LIGHT OUTPUT OF THE MONITOR SHALL BE ADJUSTED TO 3.0 FOOT
LAMBENTS
0.5 FT. LAM. (MEASURED ON A WESTON 759 LIGHT METER
OR EQUIVALENT) WITH THE CONTRAST CONTROL. AVERAGE LIGHT OUTPUT SHALL BE ~ffiASURED WITH A FULL PAGE OF CHARACTERS WITH
30% DOTS LIT. THE FOCUS CONTROL SHALL BE ADJUSTED FOR BEST
OVERALL FOCUS.
=
4.3.2
MAXZMUM GEOMETRIC DISTORTION ALLOWED SHALL BE:
4.3.2.1
PIN AND BARREL - DEFINED AS THE CURVATURE OF THE VIDEO
CHARACTER ON TOP/BOTTOM OR SIDES •.
4.3.2.1.1
LIMITS FOR TOP/BOTTOM ARE 1.0% OF THE HORIZONTAL SIZE OR T o.10 INCHES MAXZMUM.
4.3.2.1.2
LIMITS FOR SIDE ARE 5 - 0.075 INCH MAX.
4.3.2.1.3
INCREMENTAL PIN AND BARREL (I) = 0.020 INCH MAX/INCH.
4.3.2.1.4
REFERENCE FIGURE 6A AND SB.
4.3.2.2
TRAPEZOIDAL DISTORTION - DEFINED AS THE DIFFERENCE IN. THE
VIDEO HEIGHT OR WIDTH.
4.3.2.2.1
LIMITS ON THE TOP/BOTTOM (HORIZONTAL) ARE H.T.D. = W-W1=O.1
MAX.
SIZE
CODE (DENT" I-
A 98438
SCALE
•
I
- REV
129779
~
ISHEET
5
-D
•
•
4.3.2.2.2
LIMITS ON
4.3.2.2.3
REFERENCE FIGURE 7A AND 7.
4.3'.2.3.
PARALLELOGRAM DISTORTION - DEFINED AS THE DIFFERENCE FROM A
TRUE 90 DEGREE ANGLE OF THE VIDEO PRESENTATION.
4.3.2.3.1
LIMITS ON THE PARALLELOGRAM DISTORTION P-P 1=0.1 MAX. (USING
GAUGE SHOWN IN FIGURE 7 IN DETAILED INSTRUCTIONS).
4.3.2.3.2
REFERENCE FIGURE 8.
4.3.2.4
YOKE TILT - DEFINED AS THE DEVIATION OF THE CENTER ROW OF
CHARACTERS FROM A MOUNTING PLANE.
4.3.2.4.1
LIMITS ON TILT ~ T = 0.100 INCH MAX. (USING GAUGE SHOWN
IN FIGURE 4 AND TEST PROCEDURE NO.2)
4.3.2.4.2
REFERENCE FIGURE 9.
4.3.2.5
VERTICAL RASTER CENTERING - DEFINED AS AN UNBLANKED RASTER
BEING CENTERED TO THE PHOSPHOR EDGE OF THE CRT.
'4.3.2.5.1
LIMITS FOR VERTICAL RASTER CENTERING ARE V.R.C=A-Al=0.250 INCH
MAX.
4.3.2.5.2
REFERENCE FIGURE 10
4.3. 2 • 6
HORr ZONTAL RASTER CENTERING
4.3.2.6.1
LIMITS FOR HORIZONTAL RASTER CENTERING
INCH MAX.
4.3.2.6.2
REFERENCE FIGURE 11 •
4.3.2.7
VIDEO SIZE - DEFINED AS ACTIVE VIDEO DISPLAY SIZE ArTER 5
MINUTES OF WARM-UP, AT THE CENTER OF ':['HE VIDEO PRESENTATION.
S~DES
(VERTICAL) ARE VTD = V-Vl=O.l MAX.
~
H.R.C.=B-Bl=0.250
± 0.125 INCH.
4.3.2.7.2 HORIZONTAL SIZE - W=9.90 INCH ± 0.125 INCH.
4.3.2.7.1
VERTICAL SIZE - V-7.1s INCH
4.3.2.7.3
REFERENCE FIGURE 1.
NOTE:
GEOMETRY MEASUREMENTS MUS~ BE MADE WITH THE CRT PHOSPHOR
FACING EAST AND THE CRT NECK FACING WEST.
SIZE
CODE IDENT
I-
A 98438-
.
SCALE
T
129779
TSHEET 6
·.
5.0
·.5.1
,
i
I
!
POWER REQUIRE?-tENTS
THE I~PUT VOLTAGE SHALL BE 105 TO 135 VAC 50/60 Hz. OR
215 TO 250' VAC SO Hz.
5.2
THE INPUT CURRENT SHALL BE .50 M-1PERES NOMINAL WITH A
l-1AXUMI PEAK CURRENT OF • 65 AMPERES.
5.3
THE INPUT POWER CONNECTOR SHALL MATE WITH l-fOLEX PART NO.
03-06-1092 AND FE~~LE CONTACTS MOLEX 1787-F SERIES.
5.4
POWER CONNECTOR PIN OUT PER FIGURE
6.0
~fECHAXICAL
6.1
PHYSICAL SIZE SHALL BE PER FIGURE 3 OF THIS SPECIFICATION.
6.2
THE CRT SHALL BE ~10UNTED WITH BRACKETS 129708-5 AND
129708-6 PER LSI DRAWING 129708.
6.3
THE ELECTRONICS SHALL BE t-10UNTED WITH MOUNTING PLATE SUBASSEMBLY 129794-1 PER LSI DRA.WING 129794.
6.4
CRT BRACKETS AND ~10UNTING PLATE ~~Y BE TEMPORARILY FASTENED
TOGETHER FOR SHIP~IENT AND HANDLING.
I
7.0
4.
REQUIRE?-fENTS
. PROTECTIVE FINISH
7.1
PROTECTIVE FINISHES SHALL BE PROVIDED ON ALL ~~TERIAL AND
COMPO\ENTS WHICH ~l-\Y BE ADVERSELY AFFECTED BY THE ENVIRONME~TAL CONDITIONS SPECIFIED HEREIN.
8.0
U.1. APPROVAL
8.1
THE t.J~IT SHALL BE DESIGNED AND 1>lANUFACTURED TO ~1EET THE
REQUIREMENTS OF U.L. 478, (ELECTRONIC DATA PROCESSING
UNITS AND SYSTE?-fS) UNDERWRITERS LABORATORIES INC. STANDARDS
OF SAFETY, WHEN CONTAINED WITHIN A SUITABLE ENCLOSURE.
SIZE
A
SCALE
•
CODE IDENT.
I-
98438~
I
- REV
129779
ISHEET
~D
7
r
J
'1
I•
..
9.0
EXVIRox~rEXTAL
9.1
T.E~IPERA TURE
9.1.1
THE OPERATING TE~fPERATURE MI!\Unn.f AND MAXIMUM SHALL BE
9.1.2
~~o~:O~~E +~~tJ~:~~~iN~~NnruM AND MAXIMUM SHALL BE
9.2
REUTIYE HUMIDITY
9.2.1
THE OPERATING REL.4.TIVE HIDIIDITY SHALL BE 5 TO 90 PERCENT
(NO~·CCXDENSII\G) lnTH A GRADIENT EQUAL TO OR LESS THAN
10% PER HOUR.
9.3
ALTITUDE
9.3.1
THE OPERATING ALTITUDE SHALL BE SEA LEVEL TO 10,000 FEET.
9.3.2
THE NON-OPERATING ALTITUDE SHALL BE SEA LEVEL UP TO
30,000 FEET.
\
10.0
HID-fAN FACTORS REQUIREMENTS
REQUI RENENTS
aOc. and SOOC. AMBIENT.
..
: i
10.1
X-RAY RADIATION
10.1.1
.THE UNIT AS SPECIFIED SHALL COMPLY WITH THE "RADIATION
CONTROL FOR HEALTH AND SAFETY ACT OF 1968'f.
.
10.2
RFI RADIATION
10.2.1
THE UKIT SHALL ~tEET FCC RULES AND REGULATIONS,
WITH FCC COMPUTING DEVICES DOCKET NO. 20780 •
I
;
.. f-
'
IN ACCORDANCE
.
.
SIZE
A
CODE' IDENT.
98438
I
SCAle
--
.. _._.
~
.
P.··
I~
- REV
129779
'SHEET
_D
8
r __~____~,">
·~
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
--:O~-~-,
l\"ARRA~"fY
11. 0
THE EOUTP!-IEXT SOLD TO LEAR SIEGLER, I~C. SHALL BE h"ARRANTED
BY THE \OE:\['OR Fer. 0:':" PERIOD OF. O~~E YE.':"R FRO:·l THE DATE OF THE
VE?\DOR' S SHIP~IE~T AGAIKST DEFECTS IX MATERIAL AND WORDIANSHIP UXDER KO~\~L USE ~~D OPERATION •
APPROVED VENDOR
12.1
THE FOLLOlHNG VEXDOR. HAS SUB~IITTED UNITS THAT COMPLY WITH
THE REQUIRE:'1ENTS OF THIS SPECIFICATIOX. SUBSEQUEXT ORDERS
SHALL Cm.IPLY l\"lTH THIS SPECIFlCATIOK AXD SHALL BE ACCEPTED
IN ACCORDM~CE \\lTH ACCEPTAKCE TEST PROCEDURE 129798.
.
:
~
12.2
PARTIVE
..;.;;;;;;N..;.;'D;..;;O_R~_ _
LSI PART NO.
DESCRIPTION
VE~DOR
129779-1
~iONITOR) P4
..,. S 03700
12.9779-2
•
..
12.0
MONlrOR;
P-SI 4a0.3900
MOTOROIA
MO-rOROl-A
VENDOR ADDRESS
..
P-fOTOROLA INC.
DATA PRODUCTS
DOCL~f:ENTATION
13.0
REFEREXCE
13.1
THE VENDOR SHALL BE REQUIRED TO SUPPLY A COMPLETE
DOCIDfE~TATION PACKAGE FOR THE UKIT SPECIFIED HEREIN.
THE Docm·fE~TATION ~IAY 'BE USED IN LSI :'1AINTENANCE
~tAl\UALS AND FOR U. L. SUB~lITTAL.
13.2
DOCmtEXTATION PACKAGE SHALL CONSIST OF:
SCHEMATIC DIAGRAMS
PC BOARD LAYOUT AND ASSEMBLY DRAWINGS
COl-IPONENT PARTS LISTS
COl-IPONENT SPECIFICATIONS OR REPLACEMENT PARTS INFO.
TRANSFOJUIER AND PC BOARD MATERIAL SPECIFICATION
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1 'aI'I'a z
i
1"~
:
'.,,.
L /'at \
'.. ~tJ. ,
< ..
n I~ I ....:'!!
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a _ m .~
1'
3
1
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:,,.
I
I·
"I
It'
i,., w
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'II
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..,,,.
'.. h Ii,.
....
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q II~
i
f
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'.'M
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I
.ft,I ,.
,..
".
"I'
I
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..
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I'· p
c
....
.. ..
II. H I,a x
• ..
,. -!- .
VT
t
all
".
I ' ..
Q
1
_____'_
.,,..
a
I.
"117
liZ
Q ,
,.,
...,
It1
)
:II 211
If"
t
,
,.i.
,. Q . I'~ W
1
Q
I,a U
I'· v
••
t6 . .
Q
I'tI Q
.," n
1':1
t2..
Q 1
I'·
p '-,
.... ..
b
3AJI
'III
Q
Q~
r.cwl" c:Ma
-
.,.
I
Q Q Q ,
sn.ou
au'I. SP :12»• o .. ,. @
NUL
Q
_
I'
'1
Q
_____
k
,
,...:
'M
40
It
_
.. ill -
,,,
I
or
~
?
L.EGENO
A-1
"'
.. ,
f2 ..
a ...
N .1. 1\ .... n
... .-
."
.... a
110:'
""""3
,""UIOUT
'ft
t"
laC"',
'17
_ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
ADM42UTI~EDCONTROLCODES
CONTROL CHARACTERS
HEX BYTE BITS
2ND
J
76
4321
6
0000
0001
0010
0011
0100
0101
0110
8
9
1000
1001
0
1
2
3
4
5
1ST
BITS
5
0
00
0
DISPLAYABLE· CHARACTERS .
1
2
3
4
5
6
7
DO
1
01
01 .
10
0
10
11
11
a
@
1
A
B
C
a
1
"
2
1#
3
4
S
5
...
0
E
F
1111
I.
51
CONTROL CODES
1m Utilized by Std AOM 42
o
with Printer Option
Utilized bV Polling
AOM42
A-2
1
P
\
Q
a
q
R
b
r
S
T
U
c
s
d
t
e
u
P
y
J
Z
(
<
K
L
\
•
M
J
>
N
1\
?
a
+
1100
1101
1110
a
9
A
C
0
. E
1
j
·z
n
""'
a
DEL
USE CTRL KEY
WITH OISPLAYABLE
CHARACTER KEYS TO
PRODUCE CONTROL
COOES
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
. OPERATORS QUICK REFERENCE CHART OF
STATUS LINE CONTROL OPERATION CODES
OPERATION
SOURCS
OPERATION COOE
Initiate Override Message
Hast
esc F Message CR-
Clear Override Message
Hast
esc
Keyboard
IResET ICMO
Hast
erase Override Message
ACTIVITY
Message placed in Status
Line positions 2 thru 80,
overriding, but not
erasing. current display.
z. esc '*s. etc.
Message is cleared from
display but retained in
memory by any operation
code which affects Status
Line.
I
Message is erased from
scteen and memory:
original Status I.ine
display is restored.
esc F CR-
,
K..,oaard
Recall StatUs Line Message
Status Line display and
Status Line message are
swapped each time key is
typed.
IRESET/CMO!
.
-Any control character (CR. LF. HT, atc.) may be used.
STATUS
INDICATOR
S1
52
S3
ON
esCc
esc a
eSCg
OFF
esc b
esc d
esc f
A-3
54
esc
esc
<
>
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
FUNCTION KEY/FUNKEY CHARACTERISTICS
eVOKING OPERAnON
evOKING OPERAnON
evOKE
CODE
esc
esc
esc
esc
esc
esc
esc
esc
\
\
\
\
\
\
\
\
..
A
B
C
KEYBOARD
CEiJ
IlD
m:J
IEJ
0
fE]
e
IE]
F
IEJ
CEJ
G
esc \ H
IE]
esc \
esc \
I
[fj]J
J
I!llJ
ESC \
ESC \
I(
esc \
esc \
esc \
M
L
N
0
I!!D
cmJ
I:mJ
CEiiJ
I!!!I
UNPROGRAMMED
CODE TRANSMITTED
..
evOKE
CODE
H
CR e
I
CR e
J
CR e
esc
esc
esc
esc
esc
esc
esc
esc
esc
esc
esc
I(
CR-
. ESC \
SOH L
SOH M
SOH N
SOH 0
CR*
esc
esc
esc
esc
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
.
~H
CR-
A
CR-,
B
CR-
C
0
.
CRCR-
e
CR e
F
CR e
G" CR e
CR e
CRCR-
\ \ m!IFTI FJ
F2
\ a
F3
\ b
F4
\ c
F5
\ d
Fe
\ •
F7
\ f
F8
\ 9
F9
\ h
FlO
\ i
F11
\ j
\
\
\
\
UNPROGRAMMED
CODE TRANSMITTED
KEY80ARD
k
F12
I
F13
m
F14
n
F15
0
t
I
ISHIFTI ~161
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
SOH
.,. esl8bUsh. . by a Dynamic Personality Change operation. a second transmission terminator
(End Block charactart is also transmithld.
\
CR-
a CRb
CR-
c CRd
CR-
•
CR-
f
CR e
9
CR e
h
CR·
i
CR-
j
CR'·
k
CR*
I
CR e
m
CR-
n
CR-
o . CR-
/
-
_ _ _ _ LEAR SIEGI.ER. INC.
DATA ""ODUCTS DIVISION
OPERATORS QUICK REFERENCE CHART OF
MODULO NUMBERS VS. AScn CHARACTERS
MODULO
NUMBER
ASCI
CHARACTER
,.
SPACE
&
6
I
7
8
9
10
11
12
13
14
15
18
17
18
19
20
21
22
(
)
•
+
-·
/
0
1
2
3
4
5
6
7
8
9
:
...
;
<
•
>
'1
•
0
1
2
3
4
5
"•
"
~
MODULO
NUMBER
ASCI
CHARACTER
32
33
34
35
38
37
38
39
40
41
42
A
B
C
D
e
F
G
H
I
J
K
43
44
L
.
M
N
45
46
47
48
49
a
P
Q
R
50
51
52
53
54
55
56
57
58
59
S
T
U
V
23
W
24
25
28
27
28
29
30
31
X
y
Z
,
[
60
61
62
63
]
-"
A-5
ASCI
CHARACTER
..
a
MODULO
NUMBER
64
c
65
66
67
d
68
b
•
f
g
h
i
j
k
I
m.
n
·0
p
q
r
s
t
u
y
w
x
y
z
C
••
-
1
DEL
69
70
71
72
73
74
75
78
77
78
7.9
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
.
LEAR SIE!GLSR. INC.
DATA PRODUCTS DMSION
OPERATOR'S QUICK REFERENCE GUIDE TO
CURSOR POSITIONING SEQUENCE
AND MODULO NUMBERS
~SOLUTE
x O~
Y
IPOS~OH
1
2
3
4
5
6
7
8
9
10
U
12
13
14
15
16
17
18
l'
20
21
22
23
24
2S
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
KODtItO
NtDGD
POSr.rXOlf
(
)
20
21
22
23
24
25
26
27
28
29
+
2A
2lI
41
42
43
44
45
4647
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
7S
76
77
78
79
80
12'
,
2C
2t)
•
2B
2J'
lS.
16
l.7
18
19
20
21
22
2l'
24
25
26
...- 2.7
28
29
30
. 31
32
33
34
3S
36
37
38
39
Y
CODE
SJlACZ
13
14 .
O~
SEX
CODE
0
1
1
3
4
5
6
7
8
9
10
1~
X
ASCl:X
1
•
,•
$
it
I
•
/
a
1
2
3
4
5
6
7
8
9
,·•
<
•:>
?
@
A
B
C
0
E
!' .
G
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
31:
31'
40
41
42
43
44
4S
46
·47
HCDtItO
NtnGER
40
41
42
43
44
45
46
47
48
49
50
51 .
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
ASCXX
CODE
B
I
J
It
L
H
N
0
P
Q
R
S
'r
0
V
W
X
y
Z
[
\
]
-,
1\
a
C
c
d
e
f
g
h
i
j
k
l'
m
n
0
SEX
CODE
48
49
4A
4:8
4C
4D
4E
41'
50
51
52
53
54
55
56
57
58
59
SA. .
sa
5C
50
5E
51'
60
61
62
63
64
65
66
67
68
'69
6A
613
6C
60
6E
61'
.
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
ABSOLUTE CURSOR ADDRESSING OPERATION CODES
OPIAATIONAL cooa
SPACt
~
I
..
#"
S-"LIMd:
S-,.Rud:
~m
·Ntft ' . LIMd:
~IJEl
~tft'ageR.":
~IZlEJ
1
2
ROW
;
<
~
3
4
COL
28
21
QPlAATIONAL coca ROW
v
~
COL
w
51
58
57
•
30
X·
>
31·
V
58
,.
5
5
?
3:Z
Z
8
II
[
60
a
7
7
•
33
A
34
\
61
B
3S
Same , . LIMd: • I
62
C
31
0
r7
~G
s.m.,.R...:
e
~I!I
·Ntft ,... LIMd:
F
38
~DEJ.
G
40
H
41
1~J(ZJEl
I
G.
J
!
8
8
Sam. , . LIMd:
I
9
)
9
10
10
~B
s.m.,.R..a:
•
11
11
+
12
13
14
12
13
14
··
/
,.,.
"
"17
·.Ntll ,age R..a:
lSI
/\
63
_
M
I
68
ElDI!l.
b
FrI
c
6B
81ZJE]
d
~[!l
~tll ' . LIMd:
·Ntft'age R.IId:
,
EI5
•
•
70
Ie
...
18
L
415
9
72
2
18
19
19
M
48
II
3
20
20
N
47
i
73
74
4
5
21
21
0
22
I
23
22
23
7
24
0
1
,
1
Z
3
4
COL OPERATIONAL cooa
59
S
lesclEJ
ROW
POSITION
POSITION
POSITION
17
43
71
f
48
j
7!5
48
k
78
Q
so
I
24"
,.
s
51
52
III
a
9
21
T
.53
:
27
U
M
•
,.
"
A-7
,
.
77
78
It
79
0
80
____ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
DYNAMIC BAUD RATE CONTROL OPERATION CODES
MODEM PORT
PRINTER PORT
.eQUIVALENT
SAUD RATE
SWITCH POsmON
50
esc:@
esc: "
0
75
esc: A
escla
1
110
esc: a
esc:b
2
134.5
esc: c
·esc: c
3
150
esc~
D
esc: d
4
300
esc:e
eSC:e
5
600
esc: F
esc: f
6
1200·
esc: G
esc: 9
7
1800
esC:H
esc: h
8
2000
esc: I
esc: i
9
2400
esc: J
esc: j
to
3600
esc: I(
esc: k
11
4800
eSC:L
esc: I
12
7200
esc: M
esc: m
13
9800··
eSC:N
esc: n
14
DESIRED
SAUD RATE
.
• Standard (default) baud rate for PRINTER port
•• Standard (default) baud rate for MODEM port
A-a
L.!AR SIEGLER. tNe.
DATA PRODUCTS DIVISION
OPERATOR'S QUICK REFERENCE GUmE TO BAUD RATE CHANGE
Keys Used: ESC: [ASCn Character]
MellEM
SWJ:'.rCB
POSITION
0
PO~
BAtm
(DYBOARD
(REMO'rE)
~
ASCII
HEX eoCE
1
2
50
75
110
3
4
5
134.5
150
300
6
7
8
600
1200
1800
9
10
11
2000
2400
3600
12
13
14
4800
7200
9600
@
A
B
ASCII
-a
b
c:
43
44
45
d
46
47
48
q
h
I
J
49
i
4A
It
48
j
k
L
4e
40
4E
e
0
E
i'
G
B
.
40
41
42
ASnJC Pmrnl
M
N
A-9
e
f
1
m
n
PO~
HEX eOOE
-6l
62
63
64
65
66
67
68
69
6A
68
6C
60
6E
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODES
PERSONALITY
BYTE
OPERATION
OPERATION
esc... Laid-In 0111'1CtBr
STD
~ESCRIPTION
OEFAUL.T
End Block O1aracter
esc. 0
esc. 1
2nd End Block O1aracter
New Une O1aracter
ESC. 2
ESC. 3
NULL.
NULl.
2nd New Une Character
esC. 4
NULl.
Field Separator O1aract.,
ESC. 5
NULL.
Function Laad-In O1aracter
esc.e
SOH
Parity O1aracter
esc. 1
NULL.
Replacement O1aracter
ESC. 8
spAce
'ESC.
RTS-START C?elay Time
9.
Enter HEX code aaociaUld with desired
esc
ASCII character. Example: If desired
ASCU character is W. enter 5 7 • .
CR
Enter HEX code whose value is 1/2 the
desired delay in milliseconds. Example:
If desired (jetay is 115 milliseconds.
00
enttrlAo
ESC. A
RTS-OFF Delay Time
Calc:ulaUld automatically by program
when byte value is 00. If change is desired.
enter HEX code appropriate to the
desired delay. in accordance with chart
below.
00
RECOMMENCEO RTS OFF DELAY TIMES
BAUD
RATe
OPERATION
CODE
RTSoOFF DELAY
(MILLISECONDS)
BAUD
RATE
OPERATION
CODE
343
50
eSC.AAC
9
1aco
ESC. A 05
229
7S
73
9
2000
as
115
1101
58
7
2400
04
121
134.5
40
7
3600
04
115
150
3A
5
4800
03
51
300
10
5
7200
29
600
OF
5
9600
15
1200
RTSoOFF DELAY
(MILLISECONDS)
,
esc. A 08
,
03
ESC. A Q3
I
A-10
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODES (cont'd)
Personality Bytes B thru 11, following, are controlled by a
HEXidacimai value which causes specific Operation Bi1S to be
set to ON in accordanca with the accomPMVing chart. Bi1S
X7 Xe. Xs X4 campri. the HI order bi1S, bi1S X3 X2 X 1 Xo
campn. the. LO orderbi1S. All bi1S to be'set must be set
simultaneously.
I'I'TIVM.UI
CNIlAnOlt
IITS SIT
TO 0/11
I'I'TI VAWI
CNIlAnOlt
liT'S SIT
TO ON
..
.
Nt
~o
Nt
~O
I
"
0
...
I
C
x,
. " ..
lIl, •
a
9
X, .. X, x. x,x,x,. x, x, • x. ~ x, • x. x. x., .x, .~,
"'., x, Xo x, x~ x, • X1X~.Xa x,x~ •• x, • x, Xli x,_ • x, • x• • • xa
1
4
1
Z
1
8
5
x.
• lit x, x. • ..x• • •
• • x, x. ! ...: ..!!..: ~x.
• ", x, Xo • ll, • • x, • Xc -:X;-:-• • • . , &1 • • lC, •• • • Xc
x~
&1 •
X,
It. . . . .
Xa
c........·a ......
8uffIr
c:-r..
~IDE''''ULT1
esc. I
IIVTII
•
.
40
liT CONDITION
OESCJtIIlTlQN
.......
-_............- ...-
ON· ...... CI
·111· . . . . . . . 0 . _
......... 'OIPs....swwe
0''1
OIILI.......................
"
.
OI'Il· ....... c-.niali_ ..., . .......
~dm
X,
.-.........
20
..".,
.,....1WlIY t a _.
ON • AcIdr...... Prinl Suffwr
n_lI-.r elillll. .
OFII
"'-VI en. . . 1_ Sicnan VI.
c....
OFII. Adell...........tII 8uffwr cIi--.
X.
T.-;tL..a
0.-
10
ON· T' ••II._of'_'-'-I~
_ l i I _.....
........
01'' ' L..a . . . . . . . . . _ 1
X,
....... LaIIII
.. s..
01
0"
it
ON. T_ _ ..- - - . _ t a . . . .
s.._ ......_crtPel..... - . .
01',. T. . . . . . .- - - . _ ta . . sa.
0"
_ _...... crt Pel...........
X,
"AST SELiCT
C4IMraI
01
ON. FAST SELECT iI ...._ . : _ _ _ _
... ,.S_ ......
OFF
~
OFF. FAST SeLECT is uncondltlanal: _nil
.s C......,1IICIId to Idl. 51111 IIId mull .-cI.
X,
1.aaI-'
02
ContrOl
ON • AIty k . .
511••
OFF. CONV
m.., til
UtH
ta a,IIII.." LacaI
OFF
'teN"" to allOl,'" 1.._ 51••
IC:-~l.
Xo
HJan
"--
0'
ON. HJan . . ,_nel,n'" c_ _.OIIL
OFII· He.-n _ _ . . . . . .
A-11
OFF
•
•
-•• ••••• •
PolUng Option Variants (ESC. B) Byte B
O"''''''TlON
. TIT1.!
liT
0
_ _ _ _ L.EAA SIEGLER. INC.
DATA PRODUCTS DIVISION
OPERATORS QUICK REFEaENCE CHART OF
PERSONALITY CHANGE OPERATION CODES (cont'd)
BIT
X,
TlTlE
R~
BYTE
DeSCRIPTION
Paalng Tran....tuion Number Byte C (ESC. C)
80
Xa
40
Xs
20
X4
10
X3
Limit· 8
08
X2
Limit· 4
04
X,
Limit - 2
02
Xo
Umit -1
01
•
Reserved
~I (DEFAUL.T)
IT CONDITION
OFF
O/*llion bia _ lIt1IDIistt num_ of
tnrIImilliaftl coulltld befont m:vding
caunt. 00· tnrIImiaian num_
00
me
innibi1ld. 01 • count I'IC'Yd. t.tw.n
O. . t.
Power-Up De''''' Modutua Tabs Byte D (ESC • D)
X,
Typewriter TaD
Ce.
80
ON - C •• all typewritertabl with C •• All
( esc • and esc +) commands.
OFF
OFF- Only Protect Mode tabs cleared by Clear
All command. Typewriter Tabs and
Modulo Tabs are cleared in normal manner.
Xs
Power·Up Tab
MOde
40
Xs
20
X4
10
~
. 08
X2
04
X,
02
Xo
01
Bits ON or OFF. required to define ttle ASCII
char-=- sefected which may be used at Power·Up
time to initialize Modulo Tab Mode, without.
eXKUting esc 3. Nominally. character utilized
is ttl. Ame used when ttle sequence esc 3 is
used.
AL.L. OFF
.
I
A-12
_ _ _ _ LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODES (cont'd)
OP,RATlON
ESC.E
rtTLE
BIT
(BYTE)
STD(DEFAULn
BIT CONDITlON
DESCRIPTION
•
_ _• Function Contrat Byte !' (ESC. E)
Krtboard Person-
X,
ajitv Changes
80
ON - Inhibit personalitY ch_ges from th.
OFF
lceyblwd.
.
OFF- Personality changes from keyboard
are accepted.
,.
Un. Erase
With CR
Xs
40
ON • CR erases remajnd.r of current line before
executing norm. CR operation.
OFF
OFF- Norm. CR operation.
N.w Une
With CR
Xs
X4
Auto Un.
Wnp
20
ON - Executing CR also excutlS New UnL
.
to
OFF
OFF- Normal CR operation•
ON - Auto Un. Wrap is inhibitwd. OperatOr must
use CR ,NL..1tC. to get to nut line.
OFF
OFF- Auto Un. Wrap· New I.ine automatically
executed when position 80 is filled.
Auto Video
ShutOff
X3
08
ON • CRT video not shut off after approximately
20 minutes of no diqJlay activitv.
ON
OFF- CRT video automatically shut off att.r
approximftlly 20 minutes of no diqJlay
activitY.
X2
Pseudo Send
04
ON ·IPAINTlsendsSOH P CR
OFF
ISHIFT! PRINTIsends SOH p CR
ISEND LINE Isends SOH Q CR
ISHIFTl SEND I.INE Isends SOH
Q
CR
ISEND PAGEl sends SOH R CR
ISHIFTI SEND I.INEI sends SOH r CR
ISEND MSG Isends SOH S CR
.
ISHIFTl SEND MSGl sends SOH s CR
.
OFF- D...... modi: norm" SEND and PAINT
o.-nnions
A-13
,
_ _ _ _ LEAR stEGI.ER. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODES (cont'd)
OPERATION
STD (DEFAULT)
BIT CONDITION
ESC.E
DESCRIPTION
(BYTE)
TlT1.&
BIT
Specl. Function ContraI Byte E (ESC. E) (com-d)
x,
Load Cunar Skip
02
ON • Cursor sKips aut of protected field if
pOSition is specified during a Load
Cursor operation.
OFF
OFF- Cursor remains in protected field if
pOSition is specified during a L.oad Cursor
operation.
-X-O
FUN KEY
Programming/
Display
01
ON • Inhibit programming of function Iceys and
disPIav of FUNKEY messages.
I
OFF
-
OFF- Normal FUN KEY operations.
SbItua Un. ·V...,.. Attribute Controt Byte F (ESC. F)
OPERATION
BIT
X7
TlTU
Reserved
ESC •. F
SO
Xe
40
Xs
20
X2
.r,
Reversing Conn
aa
04
.
,r.
Blinking ContrOl
02
,
ON • Status Un. mesuge reversed.
~FF.
X1
STD (DEFAULT)
lilT CONDITION
OFF
Reserved
. 10
X4
~
DESCRIPTlON
(BYTE)
OFF
Status Un. message in narmaj or
personajitV video.
ON • Status Une message blinking.
ON
OFF- Status Line message in normal or
personality video.
Xo
Underlining or
Blanking Control
01
ON
OJ
Status Line message underli.ned (Sa·SW3
14M set to ON) or blanked (Sa·SW3 at
OFF).
@
OFF- Status Une message in normaj or
personality video.
A-14
OFF
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUcrs DMSlON
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODE (cont'd)
.
OPERAnON
BIT
nTU
ESC •• O
(BYTE)
. S..... Functlaft Contraa Byte 10
X7
erase to Sp.c:es
Replacement
Character
STD (DEFAULTl
BIT CONDITlON
DESCRIPTtON
(1Sc •• 0)
ON - erase to SQac:es QtJeration uses replacement
ctluacter spc;fied by PenonalitV Byte a.
80
OFF
.
OFF- Norm. erase to Sgaces oPeration.
Xa
Clear to Sgaces
Replacement
Ch--=-
ON - Clear to Spaces operation uses replacement
charactltt' specified by PenonalitY Bvte a.
40
OFF
OFF- Norm. Cle. to Spaces operation.
Xs
F5vlo Pro-=Field COntrol
ON - ProtlCtld field delimiter. F5. is imbedded
afulr unprotected field.
20
. OFF
,
OFF- ProteCted field delimiter. F5. is imbedded
before unprallCmd field.
X4
Transmit NL
Control
ON - Inhibit transmission of 1st and 2nd New
Line cnaracten (PenonalitY Bvtes 3 ~d 4)
10
OFF
OFF- Norm .. transmission of 1st and 2nd New
Line characters.
~.
Scrolling COntrol
OB
ON - Scrotling of an unprotected P9 is
inhibitlld.
OFF
OFF- Norm. Scrolling oPeration.
X2
X,
OFF
Reserved
04
Reserved
e..."vs.
02
ON • erase Page operation resets Writ. Protect
Mod••
~PrDtKt
ON
OFF- Normal erase Page operation.
Xo
erase L.ine 'Is.
Writ. Protect
0'
I
ON • erase L.ine operation resets Write Protect
Made (WPRT1.
OFF- Normal erase Line operation.
A-15
OFF
_ _ _ _ LEAR SlECLJ!fI. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
PERSONALITY CHANGE OPERATION CODES (cont'd)
OpeRATION
BIT
TlTLi
esc •• 1
DeSCRIPTION
(BYTE)
STD (DeFAULTI
BIT CONDITION
Splat. FunctIon Contrat Byte 11 (ESC •• 1)
X7
R~
80
Xa
40
Xs
20
X4
10
X3
08
X2
Power·Up Conv
04
ModeConvoi
R-.rvect
ALL OFF
ON • Conversation Mode is set when power-up
OFF
is campleted.
OFF- Block Pv10de is set wnen po".,.,-up is
campt. . .
X,
Xo
R_ _
Power·Up CAP
LOCK Control
02
R-.rved
01
ON • CAP LOCK is set wnen power-up is
OFF
campl.nd.
OFF- CAP LOCK is not set when power-ua is
campl.ted.
A-1S
ON
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART OF
VIDEO ATl'RIBUTE CONTROL OPERATION CODES
.
FUNCTION
OeSCRIPTtON-
ESC '" 0
Vidio OFF (eila is "'nldl
esc '"
1
Vidio ON; cunar OFF
esc '"
2
VId80 ON: cunar S1ady
esc '"
3
Vid80 ON: cunar blinking
.
FUNCTtON
ADM 42 MOOe
AOM 2 MOOe
Blanking for entire page
esc G (Soaca.
eSCG I
Blanking to and of line
eSCG ..
eSCG #
esCG'
eSCG %
eSCG &;
esc G'
Under1ining for entire page
Undertining to end of line
.
FUNCnON
Reset to Standard Video
STDCHAR.
ALT.~AR.
esc G 0
esc G
Limited Graphics Mode Enable
a
esc G 8
Blanking (S6-SW3 OFF) or Undartining
(S8-SW3 ON) of area
ESCG10r
ESC ' "
escG90r
esc I"V
Blinking of Area -
ESCG20r
escGAor
ESC~
esc I"V
.
.
Blanking (S6-SW3 OFF) or Underfining
(S6-SW3 ON) and Blinking.of Area
esc-G 3
Reversing of Area
esc G 4
esc G C
Blanking (S6·SW3 OFF) or Underlining
(S6·SW3 ON) and Reversing of Area
esc G 5
esc G 0
Blinking and Reversing,of Area
esc G 8
esc G e
.eSCG7
esc G F
Blanking (S6·SW3 OFF) or Underlining
(S6-SW3 ON) and Blinking and
Reversing of Area
A-17
esc'G B
-
_ _ _ _ LEAR SIEGLER. INC.
DATA PRODUCTS DMSlON
OPERATORS QUICK REFERENCE CHART
OF ADM-42 ESCAPE SEQUENCES
ESCAPE SEQUENCE
HEX
2
1ST
BYTE .....
2ND
3
!
0
L.2J
CWI
SET
TYPWR TABS
TABS
~
FUNKEY
PROS'
~
2
~
KBD
ElfA" •
W,JC1£AR
L.l
COL OF TABS
3
..!J
KBD
aiSA' •
2.l
TYPWR
TAB cm"
4
~
ClEAR
...!J
SEJIO
ADM1.
5
.LJ
ADM1.
SET
.iJ
6
.!oJ
SET
~
FGLJIfE
SEMO
FG PAGE
SEND
ALLU.
c::r
POWftG
ADDRESS"
.f.J
PRINT
UNFORMAT
.9.J
INSERT
ClfAR
~
AUX
CONTROL'
~
SET
INS MODE
SET
BLOCK MO
.!U
DELrn
LINE
~ STATUS I OFF ~ CLEAR
SET
CONY MO
~
SEND
MSG
~
STATUS
1 all
~
SEHD
MSG ALL
ERASE
~
STATUS
20FF
~
ERASE
UNE TO HlII.
~ SET
~
STATUS
2 ON
~J ClEAR
~
p:J
STATUS
lOFF
~
SET
AUTO P&
STATUS
l ON
~
ClEAR
AUTO PG
~.
COPY PRINT
£J
.[jSET
[!.J
DUPUt OR F
LJIMSERT
UNE
D
..:.J
PROTECT
ClEAR
~
SEHD
ALL PAGE
.LJ
8
..!..J
ClEAR
WPRDT
...!J
WRITE
SCM (STXJ
!!..J
9
~
SET
WPROr
UJ
WRITE
A
~
ClEAR
AU. TO IU.L
CWlFC
B
~
CUI AU,
TOSPACl
W
W
WW
W
W
W
CUI ALL
TOPROTSP
WJ
STATUS.
4 Oft
LOAD
PRC'
~
CHANGE
PERS·
~
READ
PRC"
e
F
INS MODE
PGM MOD'
/
MESSAGE
TO RDW 25"
SET COL
PROT SP AT
CURSOR
7
0
LIME (P£RS'I
~MODE
..
C
7
8
PRINT
PAGE ALL
:.!oJ PRINT
PROT AS SP !.J
t
PROTECT
5
4
AmlB
l!!JDELrn
CHAR
CONTROL·
~
CLEAR
PGM MODE
l.Ll
~
~
BACK
[.::!:J ERASE
~.
PAGE(P£RSJ
PAGE
ILlCWRMODES l.LJ
~
U-l CONTROL"
=r:pm
~
~
~GDTO
~
l!.J
W-J
LOAD
RC"
~
MULT
ESC'
~
~
STATUS
4 OFF.
~
SET
PAGE EDIT
~J
BUNK
CONTROL
WJ
READ
RC"
~
CLEAR
PAGE EDIT
~
BLANK
CONTROL
EDM
(ETXI
TO NULl.
CUlFG
SPIP£RS
~
TAB
BACIl
PAGE
FWD
PAGE If (l·ar
"Multiple Characters Required
··Remate (trom hostl Only
A-18
TAB
(SKIP!
ALL
EVOKE
FUNKEY'
l!!U
WRITE
MULT ClfAR"
G:]
~
~
BAUD
RATE C'TRI."
~
~
DISPLAY
PERS·
ERASE PG
TO HlILL
~
CURSOR
VIDEO CTI1L'
LEAR SIEGLER. INC.
DATA PRODUCTS DIVISION
OPERATOR1S QUICK REFERENCE GUIDE
TO GRAPHIC CHARACTER SET CODES
FONC'rION
CBARACTER SET
~BIC
.
0
1
2
3
4
5
6
7
LSBs MSBs
4321 765
000
001
010
011
100
101
110
111
0
0000
N'CL
OLE
0
@
P
1
0001
SOB
OC1
1
A
Q
HEX
!
P
a
q
..
2
0010
STX
OC2
3
0011
E'rX
DC3
4
0100
EOT
DC4
5
0101
ENQ
NAX
6
0110
ACX
SYN
7
0111
BEEP
E'rB
8
1000
BS
(SKU)
9
1001
HT
A
1010
B
(
~
2
B
R
b
r
3
C·
S
c
s
,
4
0
T
d
t
5
E
U
e
u
&
6
F
V
f
v
7
G
w
q
w
It
•
$
,
)
CAN
(
8
H
X
h
x.
EM
)
9
~.
y
i
'If
LF ( ' )
SUB
*
J
Z
j
z
1011
V'r (
ESC
+
.
,.
K
C
k
i
C
1100
iT ( - )
PS
~
<
L
\
1
0
1101
CR
M
J
m
1
E
1110
SO
GS
(BOME)
RS
>
N
n
'V
F
1111
SI
lm)os
"
?
0
0
DEL
.)
.
/
A-19
-
-
I
I
LIAR SIEGLIR. INC.
DATA PRODUCTS DMSION
OPERATOR'S QUICK REFERENCE GUIDE TO BUFFERED PRINT MODE
Keys Used: ESC [(ASCII Characters) .
ASCJ:J:
c:&lW:':DS
.aac.rJ:CB
O=uffere4 Se::1al P:inti.nq
OP
Unbuffue4 Parallel P::i.n.tinq
lP
Buffere4 Serial Pri.nti.nq
2P
Buffere4 Parallel Pri.nt.i.nq
.
3P
Unbuffered Serial P::i.n.t:i.nq UnfOl:matte-+----< Bl~A:lCH
1-+---l1li(
:.EUTRAL BRA;:CH
----+----< EARTH GROU:ID
Figure 2.2
Wiring
Da~a fOT
J1
Ma.~ing
ConneC'tO%"
2-3
IMI024
1.
To avoid capacitive coupling from adjacent lines. the video leads
should be routed away frcm all other wiring and the horizontal
sync width should not extend into the active video area (Refer to
FiiU" 1.1).
If th1s is no't possible, a shielciecl or twisted pair video lead
_y
2.
2-4
beeaae neeesscoy.
The video Une shauld be kep1: as short as possible in order to
Dtin;-;:e liDe capacitance and the bandwidth lilIIita'tion this
capacitance imposes. Unfor=nately low lin. capacitance is
contradi.~ory to a shielded or twisted pair line mentioned in
item 1 above. To resolve this contradiction, a temi.nated
system may have to be used, where by. the video line 13 terminated. in the c:ha.racteristic impedance of the shielded. (coaxial)
or twisted. pair line generally sog~20n. This termination
resistor is available on the Main PWA as an op'tional ccmponent.
IMI024
Section 3
OPERATION
3.1
GENERAL
After power, video azsd. drive signa1.s have been. applied to the Display Monitor,
the CODa-as't azsd. brigh=ess can'trOls are ad.ju.s'teci far the bes1: looking display.
3.2
BRIGHTNESS ADJUST
The brl,hmess con'trOl i.s used to ad.jus't the ras'ter jus't beyond visual ='to££;
in this manner, a:rimnm con'ttaS't ra'tio is obtained when video is a.pplied.
3.3
CONTRAST·ADJUST
The c:on'tr.lSt c:on-aol i.s used. to vary the data brl,htness level as dic:'ta'ted. by
ambien't li,h'ting condi'tions.
3-1
IM1024
PAR.T II
SERVICE DATA
Sec:d.an 4 th%ough 6 mel the supplement are for
qualJ.£iecl service pers01D1el.
The TTL 120/150 has no enel user serviceable
inside. Refer service to qualified service
personnel.
p~s
4
IMl024
Sec1:ion 4
THEORY OF OP!RATION
4.1
VIDEO AMPLIFI!R
Video amplification is provided by QIOI and QI02. QIOI mel Ql02an C01!Dec1:eci
ill a c:ascocle urmgS8D't; Ql02 opera1:es as an earit1:er follower and QIOI opera1:es
ill the COIIIIDCm base con:igun.1:ion. This min;mj zes the Miller effec:1: in'pu1: capaci1:3Z1ce and the defining breakciown parame1:er for Q10l beccmes BvCBO as opposed 1:0
for the CODIIIlOD. eari't1:er canfigu:r.l'1:ian. This enables selec1:ian of a higher
speed/ 10w81" breakciown 'tnDSis'tor 'to be used. in the video amp lifier .
avaO
The video ampli£ier is nomally off. Tha1: is, in the absence of a video intlU1:
signal or with a signal level of less 'than O.6V 301: JIOl-8, the CRT ca~ode vol'tage 301: the collec:1:or of QIOI will be 3o't ...SSV. When the· iDpu1: signal exceeds
O. 6V, the ampli£ier begins opera1:ian in the linear region and the CRr ca'thcde
vol'tage $1:~ 'to decrease wi'th a nominal vol'tage gain of 35 V/V.
The dynamic range capability ~f the amplifier is 48V which provides lIlore than
ad.equa1:e head. ~0Dl 'to lIlee1: the nomal viewing brighaess requiremen1: of 18 to 30
volu of madulaticm. Emi't1:er degene%'a1:ion· Hsis'tor RI06 s'tahiIi:es the gain
agains't hfe varia'ticms and Vas 'tempera'tUn varia'tions. High frequency peaking
is- pravicled by CI04 mel LlOl nsul1:ing in a nODlinal banciwid'th of 22!t1H:. ClUOl
provides arc pro'tectiOD for QIOI by clamping 'the collec1:or vol1:age 'to a maximum
value of SSV.
Op1:ional resis1:ors R102, Rl03 and Rl14 (Refer 'to Figure 4.1) are used to tailor
the video amplifier charac1:eris'tics to lIlee't Cer1:a.l.n performance nquiremen'ts.
Rl02 is a termina'ticm resis'tor used for 'those applica1:ions where 'the frequency
limi1:ing eifec1:S of 'the inpu1: cable c:.apaci'tance 1IlWS1: be minim; :ed. Rl03 is a
C01l1:ras1: con'trOl which can be provided as an in'ternal ad.ju.smen't while Rl14 is
. used. to CDIIVert the video amplifier to a nomally on Class A. ampli£ier. Rl74
eliminates 'the ini ti&1 O. 6V dead. %one which nomally exis'ts and mdifies the
amplifier tr.m.sfer char3c1:eris'tic (Reier to Figure 1.5) for compa1:ibility with
c:ompe'titive monitors wi'th Class A. video amplifiers.
4.2
V!RTICAL ELECTRONICS
~e
venical elec'tronics circuit consis'ts of _a positive sync i:nvener, a vertical
oscilla1:or, an emi t'ter follower, a vertical ou'ttlU1: amplifier and 'the vertical
deflec1:ion coil of the yoke. Refer to figure 4.2.
QIOS is a programmable unijunc'tion transis'tor and opera'tes as a relaxa'tion sawtoo1:h oscilla'tor. The free running frequency range of 40H: to 65H: is governed
by RllS, Cl09, CllO and 'the voltage a't the ga'te of Q10S. CR102 provides tempera'tureccmpensa'tion for the free running frequency. Q10S opera'tes like.a
swi'tch; in the off condi'tion, a ramp v01'tage i~ produced a't the anode of QIOS
('!Pl04) . This ramp voltage will ina-ease un1:il the anode vol'tage exceeds 'the
ga1:e vol1:age and 'tUrns qlOS on to rapidly discharge the vol'tage 3ocrossC~09 and
4-1
~
•
N
+55
L101
RI14
CRIOI
lOCRl
RI12
TO RIOI
J10I-8
+ .
CI02
Pilur~ 4.1
Optional Vidt(
\JIIpUfier Schematic
~IOI I 'lIOl
encode
Vldoo AIIp
Video /
Ski
,>-
Sca A
(0[1 llonal)
'l104
SwllCb
•
"~
Ve r.>Dr ivo
'lIOJ
POI Sl'nc
Invertor
UaljuacUOil
,, 11105
Vort Ole
,,
ql06
lahur
'01 lower
"
qlO1. qIO••
yerl Dolioul08
-I qlOI. qUO·
Ql. Ql
Vorl
Ala,
, 1/
QIII
'wr - Off
Pb05pbor
Protect
I
J
T
,
Tl
IIV laIr
-,
qUI
sca
Overvolta,e
Protect
,
J"
lIorh
Prlvo
r-
QII2
Ne, Sync
Inverter
,
J
1I10Z
Ono Shot
Dolal'
"
;
I
UIOI A
One Shot
AdJ Polll'
,
;
UIOI I
Pull' Cl'cle
Sot
Pisuro 4.2
IV
"
IIV
, lilt
10rhonU'
J
-:.
••
CaT
C1l06.
CaIOI.
Ilu for
GI. GZ. Ci4
J
J
/
"
7
"
V/'
,
, I'
TILl201150 B1Qck Diasrall
)rivo
QJ
, 1I0rla
J
Output
1I0ril
Deflecllon
•
IMI024
CIlO ~ough LI02. The decay time is governed by the resonant frequency of the
tuned circuit consisting of LI02, Cl09 and CllO.
The oscillator u sync:ln'o1lizeci by the application of a negative pulse at the
,.ate of QlOS. Negative sync at JI01-9 is standard but positive sync can be
ac=-adated with iDvft'ter Ql03 by nmving the negative sync jumper win b....
tv. . Rl09 mel CI07 and ad.d.ingthe positl.ve jumper win between the collector
of Ql03 mel Cl07. The negative sync pulse lowers the gate voltage and fcm::es
the oscillator to run at the incOlling ~ as long as the vertical sync
c:on'ttOl Rlll u adjusted to prcciw:e a free ruzming frequency slightly lower than
the incoming fnq,wmcy.
Height con~l Rll6 varies the amplitude of the sa~ooth voltage and subsequent
raster height by con'ttOlling the effective S+ voltage applied to lUlS. The S+
voltage is established through the voltage divider action between RIll, RllZ,
Rlll, lUl6 and lU19.
If a tr'Ile Saw1:oo'th cu:n'ent wavefema (linear ramp) is 5U;7Plied to the yoke, the
displayed video would be s'tntched at the tap and b01:tQlll of the CRT because of
the large difference between the faceplate radius c:urva~ and the yoke center
of deflec1:ion. M such, the saw1:oo1:ll wavefom must be madified to produce the
classic "S" shaped yoke current wavefema "as shoW'll in Figure 4 . .3.
'~-
_/
YOtcE I
Pi,are 4 • .3
Yoke Current Wavefom
The required "5" shaping u produced by linearity electronics Ql06, Rll7, Rlla
and Cll0 in combination with the low frequency response ~imitation of the vertical amplifier. The linearity electronics modifies the sa~ooth wavefom at
the emitter of Ql06 by integrating this wavefom throug~ Rll7, Rlla and ClIO
and inse~ing the resultant parabola in series with the ramp. Ql06 is a
darlington emitter fOllower which provides excellent isolation between the
ve~ical oscillator and output amplifier.
The output amplifier consists of QI06through QIlO and ehassis mounted transistors Ql.and Q2. As indieated by Figure 4.4, the amplifier is of the elose4
loop variety which makes the input to output transfer function independent ot
the transistor parameters. The Class AS push-pull output stage eliminates th~-j
requirement for an output transfomer or choke which is required for a Class A
output amplifier. If one neglects the finite open loop gain, the input to
~
/
Vertica
Ramp Inp ~t-7
QI07. QlO8
Error
Amplifier
'\.
/
QlO9
Emitter
follower
-~
/
Ql, Q2
Class AB
Output Stage
,
/
L1A
VOl'tical
.indios
•
,
V
Ql10
Current
Source
is
o·
N
4l>
...
•
:n
flgure 4.4,
Block Diagrall of. Vertical Amplifier
•
00024
ou'tpUt tr.msfer function (vol:cage at the base of QI08 to the yoke current)
is defined by:
~
R12S X l
!IN-1m" 1m"
~
~
iDsuns tha1: the outpu1: yoke CUft8D1: b8COll8s an exac1: replica. of the input
volta...
.
A voltage replica. of the yoke CDfteJl't i~ produced ac:os~ Rl3S. T2ti.~ voltage is
feel back th:aup C1l3 to the base of Q107. Q107 togethezo with Q10S coaprises &.
lUp pin error ampU£iezo that amplifies the voltage diffezoence be'tWeeD. the two
bases. The amplified voltage d.:i.fference produces the necessazy base current fen-·
Etter follower Q109. The base current rectUirement is' a function of the current
gain (b.fe) of Ql09, Q1, Q2 and the ou'tpUt yoke c:urrent. Ql and Q2 comprise a
class AB Etter follower ou'tpUt s:tage. Q1 supplies current during the first
half of vft'1:ica.l scan (en' screen top to center) with Q2 supplying current during
the last half of scan (en' screen center to botta). Curing vertical retrace,
the yoke c:urnnt is quickly reversed when the peak yoke current is transferrec1
&oa Q2 to Q1. The reaac:e time is govuoned by the flyback voltage which is
defined by the na=ral clamping acuon of the amplifin at .S2V (n'112). QllO
is 'a c:un"eDt source of sufficient _pi1:'W:le to hancll.e the peak base c:urrent
~eftt of Q2.
The class A bias to eliminate c:rassover distortion is pra~"
vided by QU03 and WO~ R121 , R122, R123" R124 and R133an DC biasing re- \, ./
suton to i.nsure the amplifier ope1'3:tes within the linear region.
'-elecc:oni~ Q104, U101, CIOS, ClOS and VRl02 previcles the
abili1:Y to step the vertica.l amplifier. Ql04 operates as a noma11y off switch.
With the application of a positive pulse at JI01-5, QI04 turns on and the collee1:or voltage jumps to 2211 as defined by :ener VR102. The collee1:or voltage
and the 1.51(, 100IC resistors in UIOl c01llbine to charge ClOg and CllO for the
c:iu:.l:ation of the input pulse (as defined in sec1:ion 1.2.5). The resultant voltage step across Cl09 anci CIIO (n'104) is processed by the vertical amplifier
to produce a c::m:nspcmd:i.ng jump in yoke current. For CRT deflection jUlllps of
<0.16", the seetling time of the vft'1:ica.l amplifier is -
TI
Power
Xmfr.
,
7
CR302
Brid,o
Roctifier
+75VPC
, l/
Q105
Serio.
Pail
Drivor
I
, 1/
,
I
Q6
Sorios
Pau
,
i'
iL
"
Q301
Current
Source
, '-'
Q102
error
Amp
I ~
VR301 RBP
Fi,ure 4.6 . 'Power Supply '\lock Dh,ram
+ 55VDC
/0'utput
1/
"
Q303
Poldback
Current L1mit
00024
S.c~ion
5
ADJUSTMENT AND MAINTENANCE
5.1
GENERAL
ThU sec:d.cm ascribes the ad.jwrt:mell~ FQc:eciures ~Q be used far set up of the
various ci%cD:iu during ~e main'eenamce en: after cOlllp01lent replacsem:.
5.2
INITIAL TURN-ON
COJIDec1: the signal input C01IDec1:ar ~o J10l of the main PWA and connect the power
input connector to Jl of the power ttansfamer n. '1'u%n an the Display Moni ~or
and the ~est ~pment;' allow 15 IIinutes far wa:m-up.
All the horl:on'tal and. vertical cireui ~s adjus'ClleftU can be made using an "e"
en: "t" charac1:er.
Adjust the raster brighcess to jWl1: beyond visual extinction with the brighmess CODC'Ol •.
5.3"
POWER SUPPLY ADJUSTMENT
Connec1: a DC val~ lile1:er to the anode of CRl04, loca~ed near Jl02 .. 3 an the ma:iri
PWA. Adjust the 8+ adjust etmaol an the LV regula~ar PWA far a lIleterreading
of +SSV:!:O.5.V.
5.4
5.4.1
VERTICAL ELECTRONICS
Vertical Sync
Adjus~
V~ical Sync Adjust con'ttOl is located an the main PWA.
Adjust
clo~se (as viewed b'oa the rear of the Display Mani~ar) un~il the
The
rolls down.
sync.
5.4.2
this cant:rol
pic:ture just
Now 'back off the etm'ttOl (Ca) until the piC'tm'e snaps back into
V~ic:al IJ.nearl~
and Height Adjust
PWA. The vertical lin.sri ty
conml R1l8 is adjusted far the best vertical lin.sri ty • The vertical heigh~
ccmtral Rl16 is ad.justed far the FOl'er vertical height.
Both of these can'ttOls are located an the main
5.4.3
Skip Scan Adjust
This adjus'Cllen~ p:rocedure will apply only to the Display
skip scan op~ion.
~onitor tha~
has the
Apply the skip scan signal and adjus~ cont:rol UlOl un~il the proper skip height
is ob~ained. In general, the proper skip height is obtained by removing the
skip scan signal and establishing a given video height as described in Section
5.4.2. The skip scan signal is then applied and the height is increased to the
final height requirement with can'ttOl UlOl; As the increase frcm initial height
5-1
II
00024
to final height becomes larger there will be interaction be~een the skip scan
control and the vertical sync and linearity controls such that Rll3 and Rll8
may have to be readjusted.
5.5
HORIZONTAL ELECTRONICS
5.5.1 Widtb
AdjUstmen~
Adjust the Widtb Con1:m1 LtO:! fftt the dea1red p1c:'tUn widtb.
5.5.2 Hor:t.:cmta1 Cantering
Acljustllen~
Acljust the Hcnri.:ontal Centering control lUS3 to center the rideo horizontally
w11:lUn the %'as'ter.
5.6
RASTER CENTERING
The centering magnets located at the back of the yoke are used to center the
%'aSter on the CRT. The magnets should never be used to center the video hori%onUlly as thl.s may cause display focus problems as well as the possibility of
neck shadow. The tings may have to be used to center the, video venially since
the'ver't1cal posit1on of the rideo withl.n the %'aSter i.s strictly dependen1: on
c:u.stcmft' tilling and vertical flyback time. Pic:ture t11 t is correc1:ed. by ro~a1:i~g
the yoke.
5.1
FOCUS.
Acljust focus con'C:'Ol R142 for the best overall focus on the CRT.
5.8
DYNAMIC FOCUS
Place oscl.lloscope probe between TP1l2 and ground.
'like Figure 5.1.
'
The wavefom should look.
,
~
~---,-'
"'"
-------------~.
,
O.OV
Vl
I
Figure 5.1
Vp-p
t
-?
Dynamic Focus Wavefom
The voltage level at the bottom portion of the waveform (VI) is controlled with
the static Focus control Rl42 while the peak-to-peak amplitude (Vp-p) is controlled with L401 on the dynamic focus PWA.
Vl corresponds to CRT center focus and is adjusted for 2SV :7SV to give best
center focus while the peak-to-peak amplitude is adjusted for 300V :lOOV.
5-2
This
00024
will give the bes't focus c:ompromise &1: the edges of the displa.y pa1:'tern. The
adjus'tlllen1:s do in1:erac't in tha1: increasing the Vp-p will lower the Vl voltage
and vice versa..
5.9
BRIGHTNSSS AND CONTRAST
Theb:riih=ess mel
5.10
CO'Il'tnS't
COIl'COls a:e acijus'teci pe Sec:'tian 30£ 'the IIUIDUlIl.
TltOUBL!SHOOTING GUIDE
Sympeou/Possib1e Solu'tians
1.
Sc:nen is dark - Check 1:0 see i f 'the +S5V is presen't. A c:onvenien't poin't.
of lIleasunmen't is a't 0104 on the DULin PWA. If there is no +S5V, disconnec1:
J104 which isola1:e5 the hon:011'tal C'anSiS1:or. If 'the +SSV· is s'till n01:
presen't, di5Connec1: J105 which iso1a1:es the remainder of the hori:on'tal
ou't'pU't suge. If the +SSV now re't'tn'nS to nomal, the problem is IIlCS1: likely
'the dampe diode Ol08.
If the +SSV is !'till nC1: presen1: after di.sc:mmecting J104 and J105, the
prob1_ is ei'the ri'th 'the +SSV power supply or 'the ver!:ic:al amplifier •
. 'l'his can be !: Ilit
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....... 11-· ............ 1· ••'111..
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•..,..,
011.1• • •
1:.;::.·
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TTU201150 VAYffOIl/tS
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L!.AA SIEGLER. INC.
DATA PRODUCTS DIVISION
APPENDIX C
FACTOllY SEllvtCE AND MAINTENANCE INFORMATION
LEAR SIEGLER. INC.
. DATA PRODUCTS DIVISION
APPENDIX C
FACTORY SERVICE AND MAINTENANCE INFORMATION
Pl. . . . state that !OU waul4 l.ilce a
!qaipnwnt :et'l=_ to r.s: IIU1: :t..
sb.ipped pz:epaid mel IIIIIft have a llet:=A
At th1s dme, .... w1l.l :ec::ca:r1
Gcoda ~ (l'GL)
a pa:cbas. a:clu mmlbc, 1:
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may b. lost,
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as well as
applicabla.
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SDP 3
Yau w2.J.l. then be p:cvi4ed. nth an
BGA :mzaCc an4 the a.d.a:ess Qf the
depot when we request that ycu
:etm:D the eqaiplleD:t:.
Kcc!el type ~ eqaj.pnct 1:0 b. ::a==ecl
Se:d.&l NUm.beJ:
bpoft Symptcal (1: fa;Ua:e)
~. of mcU 111 cat:1.aD OJ: apt:1czl 1:0 be
iDstalled (i.f applicable)
AZZ mDtH.fi.ctrtimuJ and rgpl%'i.%"S GC"S
A1ftz}u,im~ C47,i.fomW~ Chit::ago~
nt.inDis~ ar* Fhi.7..ad.i.piri4, Pe7f1'f.SY7.van:i.a,
FOB
wJ.ri-chliwae cUpo1; i.s uslild. AZt. rgpa:i.z's
aN WOZ'NIiUd fO%- (% pa-lcd. of 30 days.
rhII f:-sigh1; NBpCl'lS"ibi.t.i.t:y fO%- ~
S'l'U 2
Ill. . . . call (714) 714-1enO at. 371 OJ:
w::i.ta 1:0 :
Lea:: Sieqler, Inc:.
Data Prcxluc1:::I Division
714 B. B:ooJdm:st: St.
An.bew, elL 92803
A1:1:D:
Nota
~
SC"I'1ce
mt:d.tI em O'u:/:-cf-wtJJ.'irtJiLty ~ i.s
that: of t1ua aus"tcm8l's. Ra't::.lr1t freight;
on zogpa:i.z's in ~t;y is pa:id. by
LSIIDPD.
.
mel ma;i.ntcC2ce is
~eci by 1Iac:tc:='f t::a.:i.:I1ed. sernce
~entatives at e.ach ~ t.ba sertic.
c:j,t;1_ l.istC em
fal.l.criDq paqe.
Pl.... ~ yo'CIZ' loc:al Lea: Sieqler
OD-sj,ta s~e
=-
'1'Zr.ZZ 635444
TRZ 91o-S91-llS7
SC"I'1c. Representative
1n:taz::ma1::i.aD.
C-l
fOJ:
IIIIQre
LEAR SlEGIJER, INC.
DATA PRODUCTS DIVISION·
0D-s1ta ma1ntananca to: the· equipment is ava.Ua.bl.a w1f:hil1 a 5 Q
DtLl.. rasUus o~ ~. l=a.lcw Ustaci cd. t1es •
AI.J\Bll.n
Bi.:ml.nqham
ARIZONA
Phoen.ix
. ARltANSAS
21 Con.d.o
CAJ:.D'OD:tA
Los Az1qales
Pala Alto
San Oieqo
San Francisco
Santa Ana
Stcc:Jd:an
Ventura
COLOIWJO
Cenver
commc:r:tcm
No:walk
n.cRlDA
Miam:i.
O::lan=
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GZORGIA
At~anta
DmIANA
SOtlD CAROLINA
NEW JDSn'
Ind.l.anapolis
Columbia.
Cl.i~1:cn
Princeton
IOWA
Ces Meines
'mlNZSSU
NEW MEXICO
Knoxvi~le
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Video Attribute Control .
Video Logic . . . . . . . • . . . . . . . . . . . . . •.
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4--13
4-12
I
COMMENTS AND
SUGGESTIONS
Let us know ...
If you have any suggestions for
improving this publication. After writing
your comments, carefully cut out and
mail the pre-addressed; post-paid card to
us. All comments will be given careful
consideration, and become the property
of LEAR SIEGLER, INC.
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PUBLICATION TITLE
PUBLICATION NO.
YOUR NAME
TITLE
COMPANY
ADDRESS
SUGGESTIONS
DATE
PUBLICATION TITLE
PUBLICATION NO.
YOUR NAME
TITLE
COMPANY
ADDRESS
SUGGESTIONS
DATE
LEAR SIEGLER, INC.
DATA PRODUCTS DIVISION
714 NORTH BROOKHURST STREET, ANAHEIM, CALIFORNIA 92803
PHONE: (714) 774-1010
TELEX: 65-5444
TWX: 910-591-1157
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