References Maintenance - JVC KW-NX7000 Manuel D'instructions

REFERENCES
Maintenance
Caution on cleaning the unit
Do not use any solvent (for example, thinner, benzine,
etc.), detergent, or insecticide. This may damage the
monitor or the unit.
How to clean the connector
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.
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.
How to handle discs
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 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.
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
New discs may have some rough spots
around the inner and outer edges. If
Connectors
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.
Center holder
120
To keep discs clean
record cleaner, spray, thinner, benzine, etc.) to clean
discs.
To play new discs
Do not use the following discs:
SingleCD—8 cm (3-3/16")
disc
Sticker and sticker residue
Unusual shape
Transparent or semi-transparent on its recording area
Warped disc
Stick-on label
C-thru Disc
(semi-transparent disc)