JVC KD-G502 - Manual (Page 48)

48
MAINTENANCE
Center holder
Handling discs
This unit has been designed to reproduce CDs,
CD-Rs (Recordable), CD-RWs (Rewritable), and
CD Texts.
• This unit is also compatible with MP3 discs.
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.
To keep discs clean
A dirty disc may not be played
correctly. If a disc does become
dirty, wipe it with a soft cloth in a
straight line from center to edge.
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.
Moisture condensation
Moisture may condense on the lens inside the
CD player in the following cases:
• After starting the heater in the car.
• If it becomes very humid inside the car.
Should this occur, the CD player may
malfunction. In this case, eject the disc and leave
the unit turned on for a few hours until the
moisture evaporates.
When playing a CD-R or CD-RW
Before playing back CD-Rs or CD-RWs, read
their instructions or cautions carefully.
• Use only “finalized” CD-Rs or CD-RWs.
• Some CD-Rs or CD-RWs may not be played
back on this unit because of their disc
characteristics, and for the following reasons:
– Discs are dirty or scratched.
– Moisture condensation on the lens inside the
unit.
– The pickup lens inside the unit is dirty.
• CD-RWs may require a longer readout time
since the reflectance of CD-RWs is lower than
that of regular CDs.
• CD-Rs or CD-RWs are susceptible to high
temperatures or high humidity, so do not leave
them inside your car.
• Do not use following CD-Rs or CD-RWs:
– Discs with stickers, labels, or protective seal
stuck to the surface.
– Discs on which labels can be directly printed
by an ink jet printer.
Using these discs under high temperatures or
high humidity may cause malfunctions or
damage to discs. For example,
– Stickers or labels may shrink and warp a
disc.
– Stickers or labels may be peeled off so discs
cannot be ejected.
– Print on discs may get sticky.
Read instructions or cautions about labels and
printable discs carefully.
CAUTIONS:
• Do not insert 8 cm discs (single CDs) into the
loading slot. (Such discs cannot be ejected.)
• Do not insert any disc of unusual shape—like a
heart or flower; otherwise, it will cause a
malfunction.
• Do not expose discs to direct sunlight or any
heat source or place them in a place subject to
high temperature and humidity. Do not leave
them in a car.
• Do not use any solvent (for example,
conventional record cleaner, spray, thinner,
benzine, etc.) to clean discs.
Sticker
Sticker
residue
Disc
Stick-on
label Warped
disc
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