D i s c p r o t e c t i o n a n d a c c e s s o r i e s
Disc handling
Do not touch the playback side of the disc 
Do not put paper or tape on the disc
Cleaning the discs
Finger prints and dust may cause poor sound and picture quality. Wipe the disc with a dry, soft cloth. Wipe from the centre out. The disc should always be clean.
If the dust cannot be removed with a soft cloth, wipe the disc carefully with a moist cloth and then with a dry cloth.
Do not use any type of solvents such as thinner, petrol, commercial detergents and
Storing the discs
Do not store the discs where they may be exposed to direct sunlight or where they are close to sources of heat.
Do not store the discs where they may be exposed to moist or dust, for example in a bathroom or close to a humidifier.
Store the discs standing in a cassette. If the cassettes are stacked or an object is placed on the cassettes, the discs may become uneven.
Organisation of discs
Normally, DVD discs are divided into titles, and the titles are then divided into chapters. Music CDs are divided into tracks.
Each title, chapter and track has been given a number, designated title number, chapter number and track number, respectively.
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