Yamaha CD Recordable/Rewritable Drive CRW-70 Owner's Manual page 7

G Use a soft, dry cloth to wipe the device. Do not use benzene, paint thinners,
detergents, or chemically treated wiping cloths as these may damage the unit.
Do not place vinyl, plastic, or rubber objects on the device as chemical reactions
can cause damage to the device.
G Do not rest your weight on or place heavy objects on the device, or use excessive
force on the buttons, switches or connectors, as damage to the unit or personal
injury may occur.
G Do not listen to audio with headphones at high volume for prolonged periods of
time, as your hearing may be damaged as a result.
G Before use, always turn down the volume as a sudden burst of sound at high
volume can result in hearing damage.
G Do not place the device anywhere near sources of magnetic interference as
operational stability may be adversely affected.
G Have the device serviced regularly to avoid internal dust buildup that can cause
malfunction, damage or fire. For service information and service charges,
contact the store of purchase or your nearest Yamaha dealer (listed at the back
of this manual).
G Do not allow the plug of the AC adapter to come into contact with metal as a
short circuit can result and cause a malfunction or damage to the device.
G Do not wrap the power cord around the AC adapter as it may become
disconnected and cause a malfunction.
G Do not touch the pickup as it can cause sounds to drop out or data cannot be
written/read normally.
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