Foreword
Table of Contents
1 Introduction
2 Unique TXT page
    2.1 Page number of the 'Unique TXT page'
    2.2 Accelerator characters
    2.3 Protocol
          2.3.1 Start characters
          2.3.2 Stop characters
          2.3.3 Extension page
3 System row
    3.1 Version symbol
    3.2 Network-type symbol
    3.3 Coding-type symbol
          3.3.1 ASCII characters
          3.3.2 Hamming
          3.3.3 Checkword
    3.4 Function-ID symbol
    3.5 Page language code
    3.6 Other language codes
4 Single-package mode
    4.1 Fixed format
    4.2 Variable text format
    4.3 Preset number
    4.4 Frequency 10
    4.5 Preset Name
    4.6 Information data
          4.6.1 System information
          4.6.2 Programme guide page number
5 Multi-package mode
6 Teletext transmission requirements
7 Marking of equipment
Reference
Appendices :
    A Example page (fixed format)
    B Example page (variable text format)
    C Example page (multi package format)
    D Code table ASCII characters
    E Code table Hamming 4/8
    F Logo Artwork
List of tables:
    1 Accelerators characters
    2 Version symbols
    3 Network-type symbols
    4 Coding-type symbols
    5 Function-ID symbols
    6 Page language codes
    7 GHz frequencies
    8 Information data
    9 TV sound or Radio systems
10 ASCII characters
11 Hamming code 4/8