8
Introduction
Notes and Information
On handling discs
Do not touch the playback side of the disc.
Do not attach paper or tape to discs.
On cleaning discs
Fingerprints and dust on the disc may cause picture
and sound deterioration. Wipe the disc from the
center outwards with a soft cloth. Always keep the
disc clean.
If you cannot wipe off the dust with a soft cloth, wipe
the disc lightly with a slightly moistened soft cloth and
finish with a dry cloth.
Do not use any type of solvent such as thinner,
benzine, commercially available cleaners or antistatic
spray for vinyl LPs. It may damage the disc.
On storing discs
Do not store discs in a place subject to direct sunlight
or near heat sources.
Do not store discs in places subject to moisture and
dust such as a bathroom or near a humidifier.
Store discs vertically in a case. Stacking or placing
objects on discs outside of their case may cause
warping.
Playback side
Yes
No NoNo
Yes N o
Group 1
Structure of disc contents
Normally, DVD video discs are divided into titles, and the
titles are sub-divided into chapters. DVD audio discs are
divided into groups, and the groups are sub-divided into
tracks. VIDEO CDs/audio CDs are divided into tracks.
Each title, chapter, group, or track is assigned a number,
which is called “title number”, “chapter number”, “group
number” or “track number” respectively.
There may be discs that do not have these numbers.
Group 2
Title 2
DVD video disc
Title 1
Chapter 1 Chapter 2 Chapter 1 Chapter 2 Chapter 3
Track 1 Track 2 Track 1 Track 2 Track 3
DVD audio disc
Track 1 Track 2 Track 3 Track 4 Track 5
VIDEO CD/Audio CD