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■ Precautions
Your QR10 will give you years of reliable service if you follow the simple rules given below:
■ Location
Do not expose the instrument to the following
conditions to avoid deformation, discoloration, or
more serious damage.
• Direct sunlight (e.g. near a window).
• High temperatures (e.g. near a heat source, outside,
or in a car during the daytime).
• Excessive humidity.
• Excessive dust.
• Strong vibration.
■ Power Supply
• Turn the power switch OFF when the instrument is
not in use.
• If you use an AC power adaptor, unplug the
adaptor from the AC outlet if the instrument is not
to be used for an extended period of time.
• Do not attempt to use an AC adaptor other than the
specified unit (PA-3) or an appropriate replace-
ment provided by your Yamaha dealer to power
the QR10. The use of an incompatible adaptor may
cause irreparable damage to the QR10, and might
pose a serious shock hazard!
• Unplug the AC power adaptor during electric
storms.
• Avoid plugging an AC power adaptor used with
the QR10 into the same AC outlet as appliances
with high power consumption, such as electric
heaters or ovens. Also avoid using multi-plug
adaptors since these can result in reduced sound
quality and possibly damage.
■ Turn Power OFF When Making
Connections
• To avoid damage to the instrument and other
devices to which it is connected (a sound system,
for example), turn the power switches of all related
devices OFF prior to connecting or disconnecting
audio and MIDI cables.
■ Handling and Transport
• Never apply excessive force to the controls, con-
nectors or other parts of the instrument.
• Always unplug cables by gripping the plug firmly,
not by pulling on the cable.
• Disconnect all cables before moving the instru-
ment.
• Physical shocks caused by dropping, bumping, or
placing heavy objects on the instrument can result
in scratches and more serious damage.
■ Cleaning
• Clean the cabinet and panel with a dry soft cloth.
• A slightly damp cloth may be used to remove
stubborn grime and dirt.
• Never use cleaners such as alcohol or thinner.
• Avoid placing vinyl objects on top of the instru-
ment (vinyl can stick to and discolor the surface).
■ Electrical Interference
• This instrument contains digital circuitry and may
cause interference if placed too close to radio or
television receivers. If this occurs, move the
instrument further away from the affected
equipment.
■ Data Backup
• The QR10 contains a special long-life battery that
retains the contents of its internal RAM memory
even when the power is turned OFF. The backup
battery should last for several years. When the
backup battery needs to be replaced, “ERR 9” will
appear on the display when the power is turned on.
When this happens, have the backup battery
replaced by qualified Yamaha service personnel.
DO NOT ATTEMPT TO REPLACE THE
BACKUP BATTERY YOURSELF!
• Internal memory data can be corrupted due to
incorrect operation. We recommend that you use
the QR10 MIDI bulk dump utility (see page 43 for
details) to transfer important data to a MIDI data
recorder such as the Yamaha MDF2 for safe long-
term storage. Yamaha cannot be held responsible
for data loss caused by battery failure or improper
operation of the QR10!
• Always turn the QR10 OFF before disconnecting
the AC power adaptor to minimize unnecessary
drain on the backup battery.
■ Service and Modification
• The QR10 contains no user serviceable parts.
Opening it or tampering with it in anyway can lead
to irreparable damage and possibly electric shock.
Refer all servicing to qualified YAMAHA
personnel.
YAMAHA is not responsible for damage caused by
improper handling or operation.