Hyundai H-CD7004 - Manual (Page 19)

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2. Cleaning the lens
A dirty lens will cause sound skipping. If the lens is very dirty, the play work Open the CD door and
clean the lens as follows:
a) Dirty or dry particles on the lens.
Using a camera lens brush/blower, blow on the lens a few times, then wipe it lightly with the brush to
remove dust. Then, blow on the lens once more.
b) Fingerprints on the lens
If the lens does not get clean using brush-blower, use a cotton swab moistened with alcohol to gently lean
the lens and then dry with a soft cloth.
3. Cleaning discs
Fingerprints should be carefully wiped from the surface of disc with a soft cloth. Unlike conventional records,
compact discs have no grooves to collect dust and macroscopic dirt, so gently wiping them with a soft cloth
should remove must panicles. Wipe in a straight motion from the center to the edge.
Never use thinner benzine, record cleaner or anti static spray on a compact disc. Such chemicals can
damage its plastic surface.