TeleVideo 970 Manuals

Manuals and User Guides for TeleVideo 970. We have 1 TeleVideo 970 manual available for free PDF download: Operator's Manual

TeleVideo 970 Operator's Manual (166 pages)

Video Display Terminal

Brand: TeleVideo | Category: Touch terminals | Size: 13 MB

Table of Contents
3
List of Tables
5
Introduction
7
Terminal Overview
7
Optional Configurations
7
Organization
7
Symbols
8
Commands
8
CTRL and ESC Keys
8
Terminology
8
Installation
9
Using this Manual
9
Warning
9
Inspection
9
Location of Screws in CRT
9
Site Requirements
10
Power Requirements
10
Location of CRT
10
Replacing the CRT Cover
10
Installation
11
Physical Requirements
11
Connecting the Keyboard
11
Setting Power Configuration
11
Connecting the Terminal to a Computer System or Modem
11
Rear View of Terminal
12
Power Select Switch Settings
12
Configuration of Computer Interface Connector for Current Loop
14
Cable
14
Jumpers
14
Printer
15
RS-232C Printer Interface (P4) Connector Assignments
15
Current Loop Cable Connector
15
Field Modifications
16
Plugging Power Cord into
16
Screws Holding Side Panel in
16
Plugging in the Terminal
17
Side Panel Interior
17
Screws Holding Shroud Onto Logic Board
17
Installation Summary
18
Configuration
19
What Is Set up
19
Using the Set up Menu
19
Installation Summary
20
Changing the Set up Menu
20
Set up Menu with Factory Default Values
20
Entering Set up Mode
21
Moving the Cursor in Set up Mode
21
Changeable Parameters
23
Commands
24
Changing the Screen Contrast
31
Changing the Insert Character
31
Changing or Setting a Tab Stop
32
Saving the Set up Menu Values
32
Leaving Set up Mode
32
Summary of Set up Procedures
32
Restoring Set up Values
32
Summary of Set up Controls
33
Operation
35
Turning on the Terminal
35
Adjusting Screen Tilt
35
The Keyboard
36
Character Keys
36
Special Keys
36
Function of Special Keys
37
Control Codes
41
Cursor Style and Movement
41
The 25Th Line
41
The User's Message Line
41
The Status Line
42
Status Line Values
42
Typical Status Line
42
Error Messages
43
Communicating with the Computer
44
Editing
44
Printing
44
Resetting the Terminal
44
Programming the
45
Introduction
45
Using These Commands in Your Programs
45
Entering These Commands on the Keyboard for Local Display
45
Conventions
45
Returning to Factory Default Values
45
Saving Set up Values
45
ANSI Commands
45
Operating Modes
46
Controlling the Display
47
Number of Lines Displayed
47
The 25Th Line
47
Line Attributes
47
Attributes of the 25Th Line
47
Esc
47
Line Sizes
48
Page Attribute Mode
49
Characters Per Line
49
Lines Per Page
50
Screen Background
51
Dividing Memory into Pages
51
Part of a Page of Memory Displayed on the Screen
51
Screen Intensity
52
Cursor Attributes
52
Contrast Emphasis
52
Visual Attributes
53
Visual Attribute Action Mode
53
Screen Saver
53
CLEAR SPACE Key Mode
54
BREAK Key Mode
54
Keyclick Mode
54
Character Sets
54
Defining both Character Sets
55
Defining One Character Set
55
Activating a Character Set
55
Special and Line-Drawing Characters
55
Graphics
57
Block Graphics
57
Commands
57
Block Attributes
58
Display Movement
58
Next Line
58
Display with Three Blocks of Graphics
58
Display with Three Blocks of
58
Next Page
59
Previous Page
59
Horizontal Scroll Right
59
Horizontal Scroll Left
60
Scrolling Type and Rate
60
Scrolling Mode
60
Defined Scrolling Region
60
Scrolling Region of Double
61
Memory Locked Area
61
Origin Mode
62
Line Numbers Independent of Scrolling Region
62
Autopage Mode
63
Cursor Movement
63
Cursor up
63
Cursor down
64
Cursor Forward
64
Cursor Backward
64
Cursor Next Line
64
Cursor Previous Line
65
Index
65
Reverse Index
65
Autowrap Mode
65
Line Feed/New Line Mode
65
Relative Horizontal (Column) Movement
66
Relative Line Positioning
66
Cursor Addressing
66
Absolute Horizontal Cursor Positioning
66
Cursor Line/Column Addressing
66
Cursor Page Addressing
67
Absolute Vertical (Line) Positioning
67
Cursor Description
68
Save Cursor Description
68
Restore Cursor Description
68
Keyboard Action
68
Cursor Key Mode
68
Keypad Character Selection
68
Effect of Cursor Key Mode
68
Keyboard Lock/Unlock
69
Effect of Keypad Modes
69
Tabs
70
Horizontal Tabulation
70
Tab Clear
70
Cursor Horizontal Tabulation
70
Cursor Back Tab
70
Control Representation Mode
71
Control Codes
71
Alternative Control Code
72
Controlling Editing
73
Editing Extent
73
Edit Boundary Mode
73
Vertical Editing Mode
74
Horizontal Editing Mode
74
Editing
74
Insert/Replace Modes
74
Insert Character(S)
74
Insert Line
74
Delete Character
75
Delete Line
75
Erasure Mode
75
Erase in Page
76
Erase in Line
76
Erase in Field
76
Erase between Columns Within Line
77
Erase between Columns Within Page
77
Function Keys
77
Default Function Key Values
78
Forms
79
Forms Build Mode
79
Protect Mode
79
Forms Build Commands
79
Defined Area Qualifications
80
Clear Defined Area
80
Qualifications
80
How to Build a Form
81
Protected Page Action Mode
81
Communication
82
Local Mode
82
Block Mode
82
Conversational Mode
82
Send/Receive Mode
82
Half Duplex Mode
82
Full Duplex Mode
83
Transmitting Data
83
Deferred Transmission
84
Transfer Termination
84
Transfer Amount
84
Page Transfer
85
Multiple Area Transfer
85
Guarded Area Transfer
85
Printing the Display
85
Print Extent
85
Page Print
85
Sending Data to the Printer
86
Bidirectional Printer Port
87
Tests and Reports
87
Self Tests
88
Device Status Report
88
Return to Initial State
88
Device Attribute Report
89
Printer Status Report
89
Cursor Position Report
89
Cursor Page Position Report
89
Firmware ID and Revision
89
Terminal Parameters
90
Cursor Content
91
Personalizing the
93
Introduction
93
Designing Custom Character Fonts
93
Determining the Classification of the Character
93
Designing a Character
93
Custom Character Fonts
93
General Display Character Cell
94
Division of General Display Character Cell into Dots
94
Dot Matrix for Uppercase V
95
Binary Value of Dots for
95
Line Values for Example Character V
96
Dot Matrix for Line Feed Control
96
Character
96
Bit and Byte Values for Line Feed Control Character
97
Dot Matrix for Intersected Linear Line Character
97
Bit and Byte Values for Intersected Linear Line
97
Downloading the Character
98
Values
98
Downloading
99
Starting the Downloading Sequence
99
Downloading the Data
99
Ending the Downloading Sequence
99
Programming Vectors
100
Restart Vector Addresses
100
Program Vector Addresses
101
Program Vector Descriptions
102
Loading the User's Message Line
104
Programming from the Computer
105
Reprogramming the Function Keys
105
Programming from the Keyboard
105
Default Function Key Values
105
Destination of Function Key Program
106
Chaining Function Keys
107
Available Memory for Function Keys
107
Example of Programmed Function Key
107
Example of Chained Function
107
Programming the Keys/Functions
108
Updating Key/Function Values
108
Displaying Personal Messages
111
Troubleshooting and Service
113
Care
113
Self Tests
113
Self Testing the Video Display Circuitry
113
Self Testing Port Communications
114
Normal Screen During Video Display Test
114
Troubleshooting
115
Troubleshooting Terminal Problems
115
Inspection
117
Location of Screws in Side Panel
117
Repair
118
Checking the Power Supply Fuses
118
Logic Board and Connectors
118
Checking the Line Fuse
119
Location of Power Supply
119
Good Fuse
119
Burned-Out Fuse
119
If You Need Assistance
120
Technical Assistance
120
Customer Service
120
Location of Line Fuse
120
Reshipping the Terminal
121
Appendices
123
A Specifications
123
B Statement of Limited Warranty
123
CASCII Codes
123
D Control Representation Characters
123
E Character Set Differences
123
F Control Codes
123
G Native Mode Escape Sequences
123
HVT52 Mode Escape Sequences
123
J Character Font Addresses
123
Character Keys
125
Attributes
125
Specifications
125
Model 970
126
Video Display Terminal
126
Operator's Manual
126
Appendix B Statement of Limited Warranty
127
Appendix C ASCII Codes
128
Normal Control Codes
135
Alternative Control Code
136
Appendix H VT52 Mode Escape Sequences
142
Key Codes
143
Index
155
Fuse
157
Values
160
Quick Reference Guide
163

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