Escape Sequences
-
23 -
447 to 574
Data Preparer Identifier
a-characters
575 to 702
Application Identifier
a-characters
703 to 739
Copyright File Identifier
d-characters, SEPARATOR 1,
SEPARATOR 2
740 to 776
Abstract File Identifier
d-characters, SEPARATOR 1,
SEPARATOR 2
777 to 813
Bibliographic File Identifier
d-characters, SEPARATOR 1,
SEPARATOR 2
814 to 830
Volume Creation Date and Time
Digit(s), numerical value
831 to 847
Volume Modification Date and Time
Digit(s), numerical value
848 to 864
Volume Expiration Date and Time
Digit(s), numerical value
865 to 881
Volume Effective Date and Time
Digit(s), numerical value
882
File Structure Version
numerical value
883
(Reserved for future standardization)
(00) byte
884 to 1395
Application Use
not specified
1396 to 2048
(Reserved for future standardization)
(00) bytes
8.5.1
Volume Descriptor Type (BP 1)
This field shall specify an 8-bit number indicating that the Volume Descriptor is a Supplementary Volume
Descriptor.
The number in this field shall be 2.
This field shall be recorded according to 7.1.1.
8.5.2
Volume Descriptor Version (BP 7)
This field shall specify as an 8-bit number an identification of the version of the specification of the
Supplementary Volume Descriptor.
1 shall indicate the structure of this Standard.
This field shall be recorded according to 7.1.1.
8.5.3
Volume Flags (BP 8)
The bits of this field shall be numbered from 0 to 7 starting with the least significant bit.
This field shall specify certain characteristics of the volume as follows.
Bit 0:
if set to ZERO, shall mean that the Escape Sequences field specifies only escape sequences
registered according to ISO 2735;
if set to ONE, shall mean that the Escape Sequences field specifies at least one escape sequence not
registered according to ISO 2375.
Bits 1 to 7: These bits are reserved for future standardization and shall all be set to ZERO.
8.5.4
System Identifier (BP 9 to 40)
This field shall specify an identification of a system which can recognize and act upon the content of the Logical
Sectors with Logical Sector Numbers 0 to 15 of the volume.
The characters in this field shall be a1-characters.
8.5.5
Volume Identifier (BP 41 to 72)
This field shall specify an identification of the volume. The characters in this field shall be d1-characters.
8.5.6
Escape Sequences (BP 89 to 120)
This field shall specify one or more escape sequences according to ISO 2022 that designate the G0 graphic
character set and, optionally, the G1 graphic character set to be used in an 8-bit environment according to ISO
