Texas Instruments 990

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TEXAS

INSTRUMENTS

INCORPORATED

DIGITAL SYSTEMS GROUP

POST OFFICE BOX

2909 AUSTIN, TEXAS

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Table of Contents5
General9
Section I. General Description9
System Terminology10
Communications Register Unit (CRU)10
Model 911 VDT Standard Configuration11
Major Terminal System Components12
Model 911 VDT Controller Block Diagram12
VDT Controller12
Display Unit13
CRT Monitor13
Power Supply13
United States Standard Keyboard Arrangement14
Control Logic14
Keyboard14
Interconnection Cable14
Purpose of Equipment15
United States Model 911 VDT Displayed Character Set, Including Graphics Symbols17
Model 911 VDT International Displayed Characters18
Terminal Physical Dimensions19
General19
Site Requirements19
Installation19
Unpacking/Packing21
Model 911 Video Display and Keyboard Shipping Container22
Keyboard Shipping Container23
Remote Installation Cable Routing24
Terminal Installation24
Model 911 VDT Kit Cabling Configurations26
Connection to Computer27
Location of Controller Circuit Board27
Installing the Controller27
Typical Model 911 VDT Controller Board29
Computerpoweron30
Terminal Checkout30
General33
Terminal Controller Interface33
Screen Initialization33
Section III. Programming33
Displayed Character Positions37
Keyboard Codes38
Cursor44
Sample Routines44
Keyboard Showing Lowercase Mode Character Positions and Hexadecimal Codes46
Keyboard Showing Uppercase Mode Character Positions and Hexadecimal Codes46
Keyboard Showing Control Character Positions and Hexadecimal Codes46
Keyboard Showing Shift Mode Character Positions and Hexadecimal Codes47
Echo Character to Screen48
Read Character from Screen49
Read Cursor Position49
Restore Cursor Position49
Move Cursor49
Roll up Screen51
- Section IV. Operation53
General53
- Keyboard53
United States Model 911 Keyboard54
Display Unit Control Panel55
Data Indicator Locations55
Display Unit Controls and Indicators56
Data Indicators Sample Pattern56
Operator Preventive Maintenance57
Appendix59
A United Kingdom Model 911 Vdr Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set59
B French Model 911 Vdr Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set65
C German Model 911 Vdr Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set71
D Swedish/Finnish Model911 Vdr Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set77
- Norwegian/Danish Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set83
- Japanese Katakana Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, Modified ASCII (JIS-S), Special Character Set, and Additional Eight-Bit Displayed Character Set91
- Arabic Model 911 VDT Keyboard Arrangement, Device Service Routine Interfaces, and Keyboard Codes97
- French Word Processing Model 911 VDT Keyboard Arrangement, Hexadecimal Codes, Mode Character Positions, ASCII, and Special Character Set107

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