The volume / file structure conforms to ISO9660.
Information has been added to the system area of ​​the directory record.

(2) Abbreviation for data type

∙ Use the following abbreviations to indicate volume / file structure.

Table 3.1 Data type abbreviations

symbol	type name	Description
N	Numeric Value	8-bit binary number
NL	Least Significant Byte First	LSBF notation 16 / 32-bit binary number Example: Hexadecimal 1234 → 34 is recorded as 12
NM	MostSignificant Byte First	MSBF notation 16/32 Bit binary value Example) Hexadecimal number 1234 → 12 34 is recorded
NB	Both-type orders	LSBF notation + MSBF notation Example: Hexadecimal 1234 → 34 12 12 34 is recorded
ND	Any digit from ZERO-NINE	Decimal Notation number
A	A-characters	ASCII string (20 -22 / 25-3F / 41-5A / 5F)
D	D-characters	30-3F / 41-5A / 5F)
DS	D-characters, SEPARATOR1, SEPARATOR2	D-characters+'.;'(2E/3B)
DE	Directory Entry	Directory entry format
A1	A1-characters	A-characters+Kanji
D1	D1-characters	D-characters+Kanji
D1S	D1-characters,SEPARATOR1, SEPARATOR2	D1-characters+'.;'(2E/3B)
00	Zero fill	Unused, reserved area, etc. Fill with (00)