LG GSA-4167B - Manual (Page 31)

3) Layout of DVD+RW disc
35
> Inner Disc Test Zone : for performing OPC procedures.
> Inner Disc Count Zone : for counting the number of OPC algorithm performed in IDT Zone.
> Outer Disc Test Zone : for performing OPC procedures.
> Outer Disc Count Zone : for counting the number of OPC algorithm performed in IDT Zone.
Lead-in Zone Lead -out Zone Data Zone
Inner Disc
Test Zone Outer Disc
Test Zone
Unrecorded Disc
PSN: 2A480H 2A7C80H 2DC80H 30000H 260540H 262940H 265940H 266140H
in OUT
Center
hole
1st transition area
2nd transition area
Clamping
Zone 3rd transtion
area
Information Zone
Diameter 15 mm
Diameter 16 mm
Diameter 22 mm
Diameter 33 mm
Diameter 44 mm
Diameter 120 mm
Disc Center
Rim area
Inner Disc
Count Zone Outer Disc
Count Zone