Yamaha QY22, Owner'S Manual, Page: 8 / 201

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Precautions
The backup battery should last for several
years. When the backup battery needs to be
replaced “Backup Batt. Low!” 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 BAT-
TERY YOURSELF!
• Internal memory data can be corrupted due to
incorrect operation. We recommend that you
use the QY22 MIDI bulk dump utility (see page
163 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 QY22!
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Service and Modification
• The QY22 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.
• 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 sur-
face).
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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 af-
fected equipment.
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Data Backup
• The QY22 contains a special long-life battery
that retains the contents of its internal RAM
memory even when the power is turned OFF.