This is the technical manual for the VT100 series video terminals. It contains information a service technician or engineer needs to operate, test, and repair the VT100 series to a component level.
Chapter 1 Contains VT100 specifications and documentation ordering information.
Chapter 2 Contains basic operator information, including use of the keyboard, use of SET-UP modes for setting terminal characteristics, and simple trouble checking.
Chapter 3 Contains installation procedures and interface information.
Chapter 4 Contains a technical description of the basic VT100 video terminal. This chapter assumes that the reader has the Field Engineering Print Set, MP00633.
Chapter 5 Contains servicing information for the VT100 series video terminals.
Chapter 6 Contains SET-UP information for the various VT100 series options, installation information, a technical description, and service information for the Advanced Video option, Current Loop option, VT105 Graphics Processor, VT1XX-AC Printer option, and VT125 Graphics Processor.
Chapter 7 Contains a technical description and interfacing information for the standard terminal port (STP).
Chapter 8 Contains interfacing information for the graphics connector.
Appendix A Contains programming information for the VT100 series, including interface timing considerations and descriptions of control functions the VT100 responds to, both in ANSI mode and in DEC VT52-compatible mode. Also contains copy of VT125 Programming Reference Card, EK-VT125-RC-001.
Appendix B Contains a recommended spares list (RSL).
Appendix C Contains a glossary of terms and abbreviations used in this manual.
Appendix D Contains a description of the ANSI code extension techniques.
| Height | 36.83 cm (14.5 inch) |
| Width | 45.72 cm (18 inch) |
| Depth | 36.20 cm (14.25 inch) |
| Height | 8.89 cm (3.5 inch) |
| Width | 45.72 cm (18 inch) |
| Depth | 20.32cm (8 inch) |
| Minimum table depth | 51.4 cm (20.25 inch) |
| Monitor | 13.6 kg (30 lb) |
| Keyboard | 2.0 kg (4.5 lb) |
| Shipping weight | 18.6 kg (41 lb) |
| Temperature | 10° to 40° C (50° to 104° F) |
| Relative humidity | 10% to 90% |
| Maximum wet bulb | 28° C (82° F) |
| Minimum dew point | 2° C (36° F) |
| Altitude | 2.4 km (8,000 ft) |
| Temperature | -40° to 66° C (-40° to 151° F) |
| Relative humidity | 0 to 95% |
| Altitude | 9.1 km (30,000 ft) |
| Line voltage | 90-128 V rms single phase, 2 wire |
| 180-256 V rms single phase, 2 wire (switch-selectable) | |
| Line frequency | 47-63 Hz |
| Current | 3.0 A rms maximum at 115 V rms |
| 1.5 A rms maximum at 230 V rms | |
| Input power | 250 VA apparent 150 W max. |
| Current limiting | 3 A normal blow fuse |
| Power cord | Detachable, 3 prong, 1.9 m (6 ft) |
| CRT | 30 cm (12 inch) diagonal measure, P4 phosphor |
| Format | 24 lines × 80 characters or 14 lines × 132 characters (selectable) |
| Character | 7 × 9 dot matrix with descenders |
| Character size | |
| 80 column mode | 3.35 mm × 2.0 mm (0.132 inch × 0.078 inch) |
| 132 column mode | 3.35 mm × 1.3 mm (0.132 inch × 0.051 inch) |
| Active display size | 203 mm × 127 mm (8 inch × 5 inch) |
| Character set | 96-character displayable ASCII subset (upper- and lowercase, numeric, and punctuation) |
| Cursor type | Keyboard-selectable, blinking block character or blinking underline |
| General | 83-key detachable unit with 1.9 m (6 ft) coiled cord attached |
| Key layout | 65-key arrangement and sculpturing similar to standard typewriter, with 18-key numeric keypad. |
| Numeric keypad | 18-key with period, comma, minus, enter, and four general purpose function keys. |
| Visual indicators | 7 LEDs; 3 dedicated to ON LINE, LOCAL, and KBD LOCKED; 4 are user-programmable. |
| Audible signals | |
| Keyclick | Sound simulates typewriter. |
| Bell | 1) sounds upon receipt of BEL code; 2) sounds 8 characters from right margin (keyboard-selectable). |
| Multiple bell | Sounds upon detection of error in SET-UP save or recall operation. |
| Type | EIA |
| Speeds | Full duplex: 50, 75, 110 (two stop bits), 134.5, 150, 200, 300, 600, 1200, 1800, 2000, 2400, 3600, 4800, 9600, 19,200 |
| Code | ASCII |
| Character format | Asynchronous |
| Character size | 7 or 8 bits; keyboard-selectable. (Note: if 8-bit character is selected, 8th bit is always space.) |
| Parity | Even, odd, or none (keyboard-selectable) |
| Synchronization | Keyboard-selectable via automatic generation of XON and XOFF control codes. |
You can purchase the following VT100 series video terminal documents from DIGITAL’s Accessories and Supplies Group.
| Title | Part Number |
|---|---|
| VT100 User Guide | EK-VT100-UG |
| VT100 Series Pocket Service Guide | EK-VT100-J1 |
| VT100 Illustrated Parts Breakdown (IPB) | EK-VT100-IP |
| VT100 Print Set (contains VT1XX-AC) | MP-00633 |
| VT105 Technical Manual | EK-VT105-TM |
| VT105 Illustrated Parts Breakdown (IPB) | EK-VT105-IP |
| VT105 Print Set | MP-00642 |
| VT125 User Guide | EK-VT125-UG |
| VT125 Print Set | MP-01053 |
| VT1XX-CB, -CL Print Set | MP-01052 |
| VT125 Illustrated Parts Breakdown (IPB) | EK-VT125-IP |
| VT132 User Guide | EK-VT132-UG |
| VT132 Print Set (contains VT1XX-AC) | MP-00748 |
| VT132 Illustrated Parts Breakdown (IPB) | EK-VT132-IP |
| VT1XX-AC User Guide | EK-VT1AC-UG |
| VT1XX-AC Print Set | MP-00901 |
You can order accessories and supplies (including documentation) by mail or phone.
Continental USA
Call 800-258-1710 or mail order to:
New Hampshire
Call 602-884-6660 or mail order to:
Alaska or Hawaii
Call 408-734-4915 or mail order to:
Canada
Call 800-267-6146 or mail order to:
Related Documentation
Intel 8080 Microcomputer Systems User’s Manual
EIA Specifications RS-232-C and RS-170
ANSI Standards X3.41-1974, X3.64-1977, 3.4-1977