IEC 61834-5:1998

Contents
Foreword
Clause
1. General
    1.1 Scope
    1.2 Normative reference
    1.3 Definitions, symbols and abbreviations
2. Data structure of the character information system
    2.1 Topic
    2.2 Topic unit
    2.3 Page unit
    2.4 Topic header, page header
    2.5 Text unit and text data
3. Packs for the character information system
    3.1 TOPIC/PAGE HEADER pack
    3.2 TEXT HEADER packs and TEXT packs
    3.3 Packs for positioning data
    3.4 TEXT flag
4. Full mode
    4.1 Main topics and optional topics
    4.2 Menu topic
    4.3 TOC topic
5. Simple mode
6. Presentation
    6.1 Displaying area
    6.2 Display mode
    6.3 Character space
    6.4 Display format and character size
    6.5 Active position
7. Coding
    7.1 The structure of the 8 bit code
    7.2 Control codes
    7.3 Code extension techniques
    7.4 Coding of DRCS data
    7.5 Coding of DCS data
Tables
1 Pack header tqble
2 Display modes
3 Display formats
4 Character size
5 C0 control codes except for LS0, LS1, SS2, SS3
6 C1 control code
7 Designation codes
8 Invocation codes
9 OPN-change codes
10 Final byte for DRCS
11 Type of LCS
Figures
1 Data structure of the character information system
2 Topic unit and page unit
3 Packs concerning text
4 Position data in TOC topic
5 Example of TITLE TEXT HEADER pack in MIC
6 Example of a menu topic
7 Example of pre-recorded tape
8 Display image of a TOC
9 Example of TOC topic
10 Example of pre-recorded tape in simple mode
11 Example of user's tape in simple mode
12 Unit screen and displaying area
13 Standard density
14 High density
15 Code table
16 Active position control codes
17 Code extension method using escape sequence
18 Data structure of DRCS data on tape
19 LPS = 73h
20 LPS = 78h
21 LPS = 6Bh
22 LPS = 33h
23 LPS = 38h
24 LPS = 31h
25 LPS = 30h
26 LPS = 32h
27 Data structure of DCS data on tape
28 Example of a character information using DCS data

Specifies the character information systems which is applicable to the whole recording system for helical-scan digital video cassettes using 6,35 mm magnetic tape. Provides the method of recording characters in many languages and provides easy operation for users.