BRLTTY

Access to the Linux/Unix Console for Blind Persons using Refreshable Braille Displays

Nikhil Nair <nn201@cus.cam.ac.uk>

Nicolas Pitre <nico@cam.org>

Stéphane Doyon <s.doyon@videotron.ca>

Dave Mielke <dave@mielke.cc>

1. Formalities

• 1.1 License
• 1.2 Disclaimer
• 1.3 Contact Information

2. Introduction

• 2.1 Feature Summary
• 2.2 System Requirements

3. The Build Procedure

• 3.1 Installed File Hierarchy
• 3.2 Installing from a TAR Ball
• 3.3 Testing BRLTTY
• 3.4 Starting BRLTTY
• 3.5 Security Considerations
• 3.6 Build and Run-Time Restrictions
• 3.7 Installing from an RPM File
• 3.8 Other Utilities

4. Using BRLTTY

• 4.1 Commands
• 4.2 The Configuration File
• 4.3 Command Line Options

5. Feature Descriptions

• 5.1 Cursor Routing
• 5.2 Cut and Paste
• 5.3 Pointer (Mouse) Support via GPM
• 5.4 Alert Tunes
• 5.5 Preferences Settings
• 5.6 The Status Display
• 5.7 Command Learn Mode

6. Translation Tables

• 6.1 Text Translation
• 6.2 Attributes Translation
• 6.3 Table Format

7. Contracted Braille

• 7.1 File Format
• 7.2 Opcodes

8. Advanced Topics

• 8.1 Installing Multiple Versions
• 8.2 Installation/Rescue Root Disks for Linux
• 8.3 Future Enhancements
• 8.4 Known Bugs

Appendix

9. Supported Braille Displays

10. Supported Speech Synthesizers

11. Driver Identification Codes

12. Device Specificationn

13. Standard Braille Dot Numbering Convention

14. North American Braille Computer Code

15. MIDI Instrument Table