CRB-631 - Care and maintenance
14 Care and maintenance
Your device is a product of high-quality design manufactured to stringent standards and
should be treated with care. Compliance with the following recommendations will
ensure that all warranty obligations are met.
Do not use harsh chemicals, cleaning solvents or strong detergents to clean the
device. If it requires cleaning, use a soft, clean and dry cloth.
Never use a rough cloth to wipe the operating panel. Only use a special microfibre
If the car radio does not work correctly, please call the hotline for assistance.
Servicing is normally not necessary. If, however, the device should require
maintenance, ONLY have this done by authorised JNC technicians. Otherwise the
warranty will be void.
Care of CDs
Fingerprints and dust on the surface of the CD can negatively affect the sound
quality. Clean the CD regularly with a soft cotton cloth, starting in the centre and
moving outwards. Never use a circular motion when cleaning the CD.
Keep CDs away from direct sunlight and heat sources.
Never attach any labels or stickers to the CD.
Only use round CDs with a diameter of 12 cm. Never insert any other CD size or
If a 12 cm CD is not removed within 15 seconds after it has been ejected, it is
automatically reloaded, but playback is not automatically started.