JVC KW ADV790 Instructions - Page 56

ENGLISH Maintenance 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 evaporates. 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 solvent (for example, conventional record cleaner, spray, thinner, benzine, etc.) to clean discs. How to handle discs When removing a disc from its Center holder 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 into its case, gently insert the disc around the center holder (with the printed surface facing up). • Make sure to store discs into the cases after use. 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: SingleCD-8 cm (3-3/16") disc Warped disc Sticker and sticker residue Stick-on label Unusual shape C-thru Disc (semi-transparent disc) Transparent or semi-transparent on its recording area 56