Alpine KD-A815, KD-R810 manual Maintenance, Warped disc

Maintenance

How to clean the connectors

Frequent detachment will deteriorate the connectors.

To minimize this possibility, periodically wipe the connectors with a cotton swab or cloth moistened with alcohol, being careful not to damage the connectors.

Connectors

Moisture condensation

Moisture may condense on the lens inside the unit in the following cases:

•After starting the heater in the car.

•If it becomes very humid inside the car. Should this occur, the unit may malfunction. In this case, eject the disc and leave the unit turned on for a few hours until the moisture has evaporated.

How to handle discs

Center holder

When removing a disc

from its case, press down the center holder of the case and lift the disc out, holding it by the edges.

•Always hold the disc by the edges. Do not touch its recording surface.

When storing a disc in its case, gently insert the disc around the center holder (with the printed surface facing up).

• Make sure to store discs in cases after use.

To keep discs clean

A dirty disc may not play correctly. If a disc does become dirty, wipe it with a soft cloth in a straight line from center to edge.

•Do not use any solvents (for example, conventional record cleaner, spray, thinner, benzine, etc.) to clean discs.

To play new discs

New discs may have some rough spots around the inner and outer edges. If such a disc is used, this unit may reject the

disc.

To remove these rough spots, rub the edges with a pencil or ball-point pen, etc.

Do not use the following discs:

Single CD (8 cm disc)	Warped disc
Sticker and sticker	Stick-on label
residue
	C-thru Disc
Unusual shape	(semitransparent
	disc)
Transparent or
semitransparent
parts on its recording
area

ENGLISH

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